Magnuson-Stevenson Act Provisions: Annual Catch Limits; National Standard Guidelines

As Enacted ( Federal Register)

Cited authorities 5

Cited in

Federal Register: June 9, 2008 (Volume 73, Number 111)

Proposed Rules

Page 32526-32547

From the Federal Register Online via GPO Access [wais.access.gpo.gov]

DOCID:fr09jn08-22

DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration 50 CFR Part 600

Docket No. 070717348-7766-02

RIN 0648-AV60

Magnuson-Stevens Act Provisions; Annual Catch Limits; National

Standard Guidelines

AGENCY: National Marine Fisheries Service (NMFS); National Oceanic and

Atmospheric Administration (NOAA); Commerce.

ACTION: Proposed rule; request for comments.

SUMMARY: NMFS proposes revisions to the guidelines for National

Standard 1 (NS1) of the Magnuson-Stevens Fishery Conservation and

Management Act (MSA). This action is necessary to provide guidance on how to comply with new annual catch limit (ACL) and accountability measure (AM) requirements for ending overfishing of fisheries managed by federal fishery management plans (FMPs). It also clarifies the relationship between ACLs, maximum sustainable yield (MSY), optimum yield (OY), and other applicable reference points. The intent of this action is to facilitate compliance with requirements of the Magnuson-

Stevens Act to end and prevent overfishing, rebuild overfished stocks and achieve OY.

DATES: Comments must be received by September 8, 2008.

ADDRESSES: You may submit comments, identified by 0648-AV60, by any of the following methods:

Electronic Submissions: Submit all electronic public comments via the Federal e-Rulemaking portal: http:// www.regulations.gov;

Fax: 301-713-1193, Attn: Mark Millikin;

Mail: Mark R. Millikin, National Marine Fisheries Service,

NOAA, Office of Sustainable Fisheries, 1315 East-West Highway, Room 13357, Silver Spring, MD 20910 (mark outside of envelope ``Comments on

Annual Catch Limits proposed rule'');

Instructions: All comments received are a part of the public record and will generally be posted to http://www.regulations.gov without change. All Personal Identifying Information (for example, name, address, etc.) voluntarily submitted by the commenter may be publicly accessible. Do not submit confidential business information or otherwise sensitive or protected information.

NMFS will accept anonymous comments. Attachments to electronic comments will be accepted in Microsoft Word, Excel, Wordperfect, or

Adobe PDF file formats only.

Copies of the Regulatory Impact Review (RIR)/Regulatory Flexibility

Act Analysis (RFAA) for this proposed rule are available from Mark R.

Millikin at the address listed above. The RIR/RFAA document is also available via the internet at http://www.nmfs.noaa.gov/msa2007/ catchlimits.htm.

FOR FURTHER INFORMATION CONTACT: Mark R. Millikin, Senior Fishery

Management Specialist, 301-713-2341.

SUPPLEMENTARY INFORMATION:

Table of Contents

Overview of Proposed Revisions
Acronyms
Background
NMFS's Proposed Rule for Further Revisions to NS1 Guidelines in 2005
NMFS's Initial Action on MSRA Requirements for ACLs
MSRA Ending Overfishing Requirements
Reasons for Overfishing and Expectations for ACLs to Prevent/

End Overfishing

Page 32527
Definition, Interpretation, and Application of the Term

``Fishery'' and Its Relevance to ACLs
1. Stocks in the Fishery
2. Ecosystem Component Species
3. Stocks Identified in More Than One FMP
4. Stock Complexes
Statutory Exceptions to Requirements for ACLs and AMs and

Flexibility in Application of the NS1 Guidelines
MSRA Requirements for SSCs Related to ACLs
MSY, OY, and SDC: A Review
Description of the Relationship of OFL to MSY and ACT to OY
Definition Framework for OFL, ABC, ACL, and ACT
Control Rules
Sector ACLs, ACTs, and AMs
Accountability Measures
Summary of Items to Include in FMPs
Change in Timetable When Establishing a Rebuilding Plan
Establishing the Length of Time for a Rebuilding Plan
Action When a Stock's Rebuilding Plan Ends and the Stock Is Not

Rebuilt
Changes to the definitions of Some Components of MSY
Social, Economic and Ecological Factors as They Relate to OY
Scope of This Proposed Action
Republishing Codified Text in Its Entirety
Classification
Overview of Proposed Revisions

NMFS fulfills the requirements of section 301(b) of the Magnuson-

Stevens Act--``The Secretary shall establish advisory guidelines (which shall not have the force and effect of law), based on national standards, to assist in the development of fishery management plans,'' with its national standard guidelines that appear at 50 CFR 600.310 through 50 CFR 600.355. NMFS is proposing revisions to the NS1 guidelines to address, among other things, new requirements for fisheries undergoing overfishing, to have ACLs and AMs to end overfishing by 2010, and all fisheries to have ACLs and AMs in place to prevent or end overfishing by 2011, and beyond. A stock or stock complex may not require an ACL and AMs if it qualifies for a statutory exception under the Magnuson-Stevens Act. Other proposed revisions to the NS1 guidelines include: (1) A description of the relationship between MSY, OY, overfishing limits (OFL), acceptable biological catch

(ABC), ACLs, and annual catch targets (ACTs); (2) guidance on how to combine the use of ACLs and AMs for a stock to prevent overfishing when possible, and adjust ACTs or ACLs, or both, and AMs, if an ACL is exceeded; (3) allowing for inclusion of ecosystem component (EC) species in FMPs and, in such cases, guidance for how to classify which stocks are ``in the fishery'' and which species are ecosystem components; (4) replacing MSY control rules with ABC control rules and replacing OY control rules with ACT control rules; (5) new requirements for scientific and statistical committees (SSC); (6) changing the timeline to prepare new rebuilding plans; (7) revised guidance on how to establish rebuilding time targets; and (8) advice on action to take at the end of a rebuilding period if a stock is not yet rebuilt.
Acronyms

ABC--acceptable biological catch

ACL--annual catch limit

ACT--annual catch target

AM--accountability measures

ANPR--Advance Notice of Proposed Rulemaking

Bmsy--MSY stock size

EC--ecosystem component species

EEZ--Exclusive Economic Zone

Fmsy--MSY fishing mortality rate

FMP--fishery management plan

MFMT--maximum fishing mortality threshold

MSA--Magnuson-Stevens Act

MSRA--Magnuson-Stevens Fishery Conservation and Management

Reauthorization Act

MSST--minimum stock size threshold

MSY--maximum sustainable yield

NOI--Notice of Intent

NS1--National Standard 1

OFL--overfishing limit

OY--optimum yield

SDC--status determination criteria

SFA--Sustainable Fisheries Act

SSC--scientific and statistical committee

Tmax--maximum time allowable for rebuilding a stock

Tmin--minimum time for rebuilding a stock

Ttarget--target time for rebuilding a stock
Background

The MSA serves as the chief authority for fisheries management in the U.S. Exclusive Economic Zone (EEZ). Section 301(b) of the MSA requires that ``The Secretary shall establish advisory guidelines

(which shall not have the force and effect of law), based on the national standards, to assist in the development of fishery management plans.'' Guidelines for the national standards are codified in subpart

D of 50 CFR part 600. The guidelines for national standards were last revised through a final rule published in the Federal Register on May 1, 1998 (63 FR 24212), by adding revisions to the guidelines for

National Standards 1 (optimum yield), 2 (scientific information), 4

(allocations), 5 (efficiency), and 7 (costs and benefits); and adding new guidelines for National Standards 8 (communities), 9 (bycatch), and 10 (safety of life at sea).

The guidelines for NS1 were revised extensively in the final rule published on May 1, 1998, to bring them into conformance with revisions to the MSA, as amended in 1996 by the Sustainable Fisheries Act (SFA).

In particular, the 1998 revisions to the NS1 guidelines addressed new requirements for FMPs brought about by SFA amendments to MSA section 304(e) (rebuilding overfished fisheries).

The Magnuson-Stevens Fishery Conservation and Management

Reauthorization Act of 2006 (MSRA), which President Bush signed into law on January 12, 2007, included new requirements regarding preventing and ending overfishing and rebuilding fisheries. Therefore, NMFS is proposing revisions to the NS1 guidelines at 50 CFR 600.310, to integrate these new requirements with existing provisions related to overfishing, rebuilding overfished stocks, and achieving optimum yield.
NMFS's Proposed Rule for Further Revisions to NS1 Guidelines in 2005

NMFS published an advance notice of proposed rulemaking (ANPR) in 2003 (68 FR 7492, February 14, 2003), and a proposed rule in 2005 (70

FR 36240, June 22, 2005), in the Federal Register to propose further revisions to the NS1 guidelines. NMFS sought to improve the utility of the 1998 guidelines in assisting the regional fishery management councils, and the Secretary of Commerce (Secretary) in the case of a

Secretarial Amendment or a Secretarial FMP (denoted collectively hereafter as ``Councils,'' as 50 CFR 600.305(c)(11) provides that

``Council'' includes both the regional fishery management councils and the Secretary when preparing FMPs or amendments), when establishing or revising status determination criteria (SDC) for overfishing and overfished definitions for stocks, and constructing or revising rebuilding plans for overfished stocks.

Although NMFS received many public comments on the ANPR and the 2005 proposed rule, NMFS decided not to pursue publication of a final rule when it learned that Congress was preparing an amendment to the

MSA that seemed likely to revise how to manage stocks undergoing overfishing and stocks that need a rebuilding plan. Congress's efforts culminated in passage of the 2006 MSRA.

Page 32528
NMFS's Initial Action on MSRA Requirements for ACLs

NMFS published a notice of intent (NOI) to prepare an environmental impact statement (EIS) and commencement of a scoping period for ACLs and AMs in the Federal Register on February 14, 2007 (72 FR 7016), with a comment period ending date of April 17, 2007. NMFS held nine scoping sessions, one associated with each of the eight Regional Fishery

Management Councils' meetings and one at NMFS Headquarters in Silver

Spring, MD. Comments that NMFS received are contained in ``Summary of

Comments Received on NMFS Proposal to Develop Guidance on ACLs and AMs,

July 2007,'' that is available at the NMFS Web site: http:// www.nmfs.noaa.gov/msa2007/catchlimits.htm.

The NOI indicated that an environmental assessment or EIS would be prepared for this action. However, NMFS has decided that, for purposes of compliance with the National Environmental Policy Act, a categorical exclusion is appropriate for this action. The proposed action would provide general guidance on ACL and AM and other requirements, but there is considerable diversity in federally-managed fisheries and

FMPs. Thus, any analysis of the environmental, economic, and social impacts of the NS1 guidelines would be highly speculative. Potential environmental, economic, and social impacts cannot be meaningfully analyzed until the Councils apply the guidelines to specific fisheries and FMPs. At that time, the Councils would prepare an EIS or EA, as appropriate.
MSRA Ending Overfishing Requirements

Section 104(a)(10) of the MSRA established new requirements to end and prevent overfishing, including ACLs and AMs. Section 303(a)(15) was added to the MSA to read as follows: ``establish a mechanism for specifying annual catch limits in the plan (including a multiyear plan), implementing regulations, or annual specifications, at a level such that overfishing does not occur in the fishery, including measures to ensure accountability.'' ACLs and AMs are required by fishing year 2010 if overfishing is occurring in a fishery, and they are required for all other fisheries by fishing year 2011.

In practical terms, given the time it takes to prepare and implement an FMP amendment, if the status of one or more stocks in a fishery at the end of 2008 is ``subject to overfishing,'' Councils should submit ACL and AM mechanisms and actual ACLs for that fishery to be effective in fishing year 2010. If overfishing is determined to be occurring in a fishery in 2009, Councils should submit ACL and AM mechanisms and actual ACLs for that fishery to be effective in fishing year 2010, if possible, or in fishing year 2011, at the latest. All fisheries must have ACL and AM mechanisms and actual ACLs by the fishing year 2011, and beyond. The Secretary should amend Secretarial

FMPs, to comply with ACL and AM requirements on the same timetable.

Section 305(c) of the MSA, which was unchanged by MSRA, also provides authority to the Secretary to promulgate emergency regulations or interim measures necessary to address an emergency or overfishing for any fishery without regard to whether an FMP exists for such fishery.

NMFS recognizes that the phrase, ``at a level such that overfishing does not occur'' in section 303(a)(15) of the MSA is subject to different interpretations, as reflected in the varying comments received during scoping. On the one hand, the phrase could be interpreted to mean that overfishing is strictly prohibited at any cost. On the other hand, section 303(a)(15) refers to a ``mechanism'' for setting ACLs, including AMs, which seems to imply a more dynamic process that allows for adjustment of management measures as a fishery is carried out. The only way to ensure absolutely no overfishing occurs is to stop fishing. As long as fishing occurs, there is a chance for occasional instances of overfishing due to scientific uncertainty of data, influence of non-fishing factors, and management uncertainty.

Continued overfishing for a period of years (chronic overfishing), presents the greatest danger to the health of fish stocks, and often leads to stocks becoming overfished. NMFS has noted that overfished stocks with chronic overfishing seem to seldom rebuild, whereas overfished stocks that are rarely subject to overfishing have a better chance of rebuilding.

Taking the above considerations into account, NMFS believes that the ACL requirement should be interpreted to provide for some flexibility given scientific and management uncertainty and other factors, but at the same time, must address overfishing and facilitate rebuilding. Chronic overfishing can be prevented by ensuring that the combination of ACLs and AMs decrease the risk of future overfishing each successive time an ACL is exceeded. NMFS thus proposes a performance standard such that if catch of a stock exceeds its ACL more often than once in the last four years (i.e., more often than 25 percent of the time), then the system of ACLs, ACTs and AMs should be re-evaluated to improve its performance and effectiveness (see Sec. 600.310(g)(3) in this proposed action). NMFS believes that allowing a higher frequency of the ACL being exceeded would not safeguard enough against overfishing. A Council could choose a higher performance standard (e.g., a stock's catch should not exceed its ACL more often than once every five or six years) for a stock that is particularly vulnerable to the effects of overfishing.
Reasons for Overfishing and Expectations for ACLs to Prevent/End

Overfishing

The ``NMFS Fourth Quarterly Report for 2007 Status of U.S.

Fisheries'' indicates that 41 stocks managed by federal FMPs were undergoing overfishing as of December 31, 2007. Stocks become listed as

``overfishing'' or remain in an overfishing status for a variety of reasons, including: 1. The goal of the FMP may be to end overfishing over several years by gradually reducing fishing mortality rates instead of ending overfishing immediately. 2. Management measures have proven ineffective at ending overfishing (e.g., lack of inseason closure authority for the fishery or management measures are aimed at achieving a target catch that is set too close to the catch amount that results in overfishing, or both). 3. Management measures to address overfishing have not been implemented yet. 4. Recent change in scientific advice (i.e., the Council has not had sufficient time to amend the FMP and no automatic measures exist in the FMP to make necessary adjustments to end overfishing in the subsequent fishing year). 5. Bycatch mortality in other fisheries has not been addressed adequately or is poorly known. 6. Data sufficient to verify whether or not overfishing is occurring are not available, so the existing overfishing determination is retained. 7. International fishing pressure is responsible for the large majority of overfishing. 8. Fishing pressure in state or territorial waters is responsible for the large majority of overfishing, federal action alone is not sufficient to end overfishing, and managers in the various jurisdictions are unable thus far to agree on a concerted approach for preventing overfishing.

NMFS believes that the ACL and AM requirements will address overfishing that results from reasons 1, 2, 3, and 4

Page 32529

above. Better scientific data, along with adequate ACLs and AMs, should enable Councils to prevent overfishing for reasons 5 and 6. Stocks that are undergoing overfishing for reason 7 would be exempt from the ACL requirement (see Sec. Sec. 600.310(h)(2)(ii) and 600.310(k) of this proposed action for discussion of international fisheries). There may be circumstances where managers in various jurisdictions are unable to agree on an ACL and AMs that would end or prevent overfishing for a fishery described under reason 8. In such cases, these proposed guidelines would require an ACL for the overall fishery, but AMs would be implemented only for the portion of the fishery under federal management authority.
Definition, Interpretation, and Application of the Term

``Fishery'' and Its Relevance to ACLs

The MSA, as amended by MSRA, requires that a Council shall develop

ACLs ``for each of its managed fisheries'' (see MSA section 302(h)(6)) and as noted earlier, that each FMP have a mechanism for specifying

ACLs ``at a level such that overfishing does not occur in the fishery''

(see MSA section 303(a)(15)). Consistent with these sections of the

MSA, the proposed NS1 guidelines provide that ACLs and AMs are needed for each ``fishery'' under federal FMP management, unless covered by a statutory exception.

The MSA defines ``fishery'' broadly, and this definition did not change with the passage of the MSRA. A ``fishery'' is ``one or more stocks of fish which can be treated as a unit for purposes of conservation and management and which are identified on the basis of geographical, scientific, technical, recreational and economic characteristics,'' and ``any fishing of such stocks'' (see MSA section 3(13) and 50 CFR 600.10). The term ``fishery'' can mean different things in different contexts. For example, when dealing with biological concepts such as determining a status of overfishing or overfished, the

NS1 guidelines generally apply at the ``stock or stock complex'' level

(See, e.g., 50 CFR 600.310(c)(1), (d) (defining MSY and ``overfish'' with regard to ``stock or stock complex'') and Sec. 600.305(c)(12)

(explaining that ``stock or stock complex'' is used as a synonym for

``fishery'' in NS guidelines). In other instances, such as managing a fishery for OY, the term ``fishery'' is viewed more broadly (see 50 CFR 600.310(f) (referring to OY at the ``fishery'' and not the ``stock or stock complex'' level)).

Given the broad definition of ``fishery,'' the Councils have had, and continue to have, considerable discretion in defining the

``fishery'' under FMPs. Some FMPs include only one or a few stocks whereas others include several or hundreds of species. Looking at existing FMPs, the primary reasons why stocks are included in FMPs are because people seek to harvest them for sale or personal use (i.e., the fish are the target of fishing activity), or they are caught incidentally in the pursuit of harvesting one or more other stocks and could experience overfishing or become overfished without conservation and management measures. These reasons are consistent with the stated purposes of the MSA, which includes the preparation and implementation of FMPs ``which will achieve and maintain, on a continuing basis, the optimum yield from each fishery'' (see MSA section 2(b)(4)). OY is defined with regard to ``the greatest overall benefit to the Nation, particularly with respect to food production and recreational opportunities, and taking into account the protection of marine ecosystems'' (see MSA section 3(33)).

While the focus of FMPs has been stocks managed for OY, in recent years, some FMPs have included other stocks in an effort to incorporate ecosystem approaches to management. Congress acknowledged this increased attention to ecosystem approaches in the ``Findings'' section of the Act (see MSA section 2(a)(11) (acknowledging that a number of

Councils have demonstrated significant progress in integrating ecosystem considerations under existing authorities of the MSA)). In addition, MSRA added a new section 303(b)(12) that provides that an FMP may ``include management measures in the plan to conserve target and non-target species and habitats, considering the variety of ecological factors affecting fishery populations.''

NMFS wants to encourage ecosystem approaches to fishery management and believes that clarification of what constitutes the ``fishery'' would be helpful. As such, NMFS is proposing guidance pertaining to

``stocks in the fishery'' and ``ecosystem component (EC) species,'' which are described in detail below. The intent of this guidance is to articulate approaches taken under existing FMPs and to provide a framework for thinking about future FMPs and FMP amendments. The

Councils would have the discretion to determine, on a case-by-case basis, whether changes in their stock classifications under current

FMPs are needed.
1. Stocks in the Fishery
  
  As a default, all stocks currently identified in an FMP are considered ``stocks in the fishery.'' ``Stocks in the fishery'' would include target stocks (i.e., stocks that fishers seek to catch for sale or personal use, including ``economic discards'' as defined under MSA section 3(9)), non-target stocks that are retained for sale or personal use, and non-target stocks that are not retained for sale or personal use and that are either determined to be subject to overfishing, approaching overfished, or overfished, or could become so, according to the best scientific information available, without conservation and management measures (see Figure 1 and Sec. 600.310(d)(2) of this proposed action). Stocks and stock complexes in the fishery should have quantitative SDC, MSY, ABC, ACL, and ACT (collectively called
  
  ``reference points'' throughout this section) and AMs (see Table 1 for reference points needed for different types of stocks, and see Sec. 600.310(b)(2)(iv) of this proposed action), although some stocks in the fishery may not require ACLs and AMs if they are covered by a statutory exception (see Sec. 600.310(h)(2) of this proposed action). Hereafter, in these guidelines, ``stock'' or ``stock(s) and stock complex(es)'' refer to ``stocks in the fishery.''
2. Ecosystem Component Species
  
  Beyond the ``stocks in the fishery,'' a Council may, but is not required to, include EC species in an FMP. Such species would include non-target fish species that are not considered part of the ``fishery'' but rather species with which the fishery may occasionally interact
  
  (i.e., catch) (see Sec. 600.310(d)(5) of this proposed action). A
  
  Council may choose to include EC species for purposes of incorporating ecosystem approaches to fishery management, data collection, etc.
  
  Identification of EC species must be done through an FMP amendment process (see Sec. 600.310(d) of this proposed action). Such species are appropriate to consider when addressing specification of OY and conservation and management measures for the fishery (see MSA sections 3(33) (referring to taking into account the marine ecosystems in OY definition), and 3(5) (referring to avoiding irreversible or long-term effects on fishery resources and the marine environment and ensuring multiplicity of options)). Because EC species are not considered to be
  
  ``in the fishery,'' specification of reference points, ACLs, and AMs are not required (see Table 1). However, a Council should consider
  
  Page 32530
  
  measures for the fishery to minimize bycatch and bycatch mortality of
  
  EC species consistent with National Standard 9, and to protect their associated role in the ecosystem. NMFS is especially interested in the public's comments on the appropriate criteria for classification of EC species.
3. Stocks Identified in More Than One FMP
  
  If a stock is identified as part of more than one ``fishery,''
  
  Councils should choose which FMP will be the ``primary FMP'' in which management objectives, SDC, and other reference points for the stock are established. In most cases, the primary FMP for a stock will be the one in which the stock is identified as a target stock. Other FMPs in which the stock is identified as part of a fishery should contain management measures consistent with the primary FMP for the stock.
  
  GRAPHIC
  
  TIFF OMITTED TP09JN08.000
  
  Table 1.--Reference Points, Accountability Measures, and Control Rules That Would Be Required or Recommended
  
  Stocks and stock complexes in a
  
  Stocks and stock fishery (excluding
  
  Stocks and stock
  
  complexes in a those with an
  
  complexes in a
  
  fishery managed
  
  Ecosystem
  
  Reference points, accountability approximate 1 year fishery that have a
  
  under an
  
  component measures, and control rules
  
  life cycle and those
  
  life cycle of
  
  international
  
  species \4\ managed under
  
  approximately 1 year fishery agreement international
  
  \3\ fishery agreements)
  
  MSY \1\.......................... [check]............. [check]............. [check].............
  
  N/A
  
  SDC \1\ (e.g. MFMT \2\, MSST \2\) [check]............. [check]............. [check].............
  
  N/A
  
  OY \1\........................... At the stock, stock At the stock, stock R...................
  
  N/A complex, or fishery complex, or fishery level.
  
  level.
  
  OFL \2\.......................... R................... R................... R...................
  
  N/A
  
  ABC \1\.......................... [check]............. [check]............. R...................
  
  N/A
  
  ACL \1\.......................... [check]............. Only if ``subject to R...................
  
  N/A overfishing''.
  
  AMs \1\.......................... [check]............. Only if ``subject to R...................
  
  N/A overfishing''.
  
  ACT \2\.......................... [check]............. Only if ``subject to R...................
  
  N/A overfishing''.
  
  ABC control rule \2\............. [check]............. [check]............. R...................
  
  N/A
  
  ACT control rule \2\............. [check]............. R................... R...................
  
  N/A
  
  \1\ MSA requirement.
  
  \2\ For consistency with the NS1 Guidelines.
  
  \3\ If the stock is in a U.S. FMP and managed under an international fishery agreement to which the U.S. is party.
  
  \4\ Not required by MSA, but an option provided in the NS1 Guidelines.
  
  Legend:
  
  check
  
  = Yes, this is applicable.
  
  ABC = Acceptable Biological Catch.
  
  ACL = Annual Catch Limit.
  
  AM = Accountability Measures.
  
  MFMT = Maximum Fishing Mortality Threshold.
  
  MSST = Minimum Stock Size Threshold.
  
  Page 32531
  
  MSY = Maximum Sustainable Yield.
  
  N/A = Not Applicable.
  
  OFL = Overfishing Limit.
  
  OY = Optimum Yield.
  
  R = Recommended.
  
  SDC = Status Determination Criteria.
4. Stock Complexes
  
  ``Stock complex'' means a group of stocks in an FMP that are sufficiently similar in geographic distribution, life history, and vulnerability to the fishery that the impacts of management actions on the stocks in the complex is similar (see Sec. 600.310(d)(8) of this proposed action). Stock complexes may be comprised of: (1) One or more indicator stocks, each of which has SDC and ACLs, and several other stocks; (2) several stocks without an indicator stock, with SDC and an
  
  ACL for the complex as a whole; or (3) one or more indicator stocks, each of which has SDC and management objectives, with an ACL for the complex as a whole (this situation might be applicable to some salmon species).
  
  For stock complexes, the SDC measured on a stock complex-wide basis or for an indicator stock should satisfy the MSA's requirements to prevent overfishing and achieve OY for a fishery. Vulnerability of stocks to the fishery should be evaluated when determining if: (1) A particular stock complex should be established or reorganized; (2) a particular stock should be a member of a stock complex; or (3) a stock complex should be reorganized. Indicator stocks are stocks selected as a representative for a stock complex because they have known determinations regarding SDC, and known values for MSY and OY, and can form the basis for an MSY and OY for the combinations of stocks in a complex. Although it is common for the indicator stock for a stock complex to be the most abundant stock, if an indicator stock is less vulnerable than other stocks in the complex, the management measures should be more conservative to protect the more vulnerable stocks from overfishing.
Statutory Exceptions to Requirements for ACLs and AMs and

Flexibility in Application of NS1 Guidelines

The MSRA provides two statutory exceptions to the ACL and AM requirements under MSA section 303(a)(15) (see MSRA section 104(b)

(adding two exceptions under a MSA section 303 note); see also Sec. 600.310(h)(2) of this proposed action). First, MSA section 303(a)(15)

``shall not apply to a fishery for species that have a life cycle of approximately 1 year unless the Secretary has determined the fishery is subject to overfishing of that species'' (see MSRA section 104(b)(2)).

NMFS interprets ``fishery for species'' to be a stock. In addition,

NMFS interprets ``a life cycle of approximately 1 year'' to mean that the average length of time it takes for an individual to produce a reproductively active offspring is approximately 1 year, and that the individual has only one breeding season in its lifetime. While stocks that qualify for the 1-year life cycle exception would not need to have

ACLs and AMs, such stocks should still have SDC, MSY, OY, ABC, and an

ABC control rule.

Second, MSA section 303(a)(15) shall take effect in 2010 and 2011, as discussed earlier, ``unless otherwise provided for under an international agreement in which the United States participates'' (see

MSRA section 104(b)(1)). It is not clear to what the text ``unless otherwise provided for'' is referring. NMFS has considered several possible interpretations of this text in light of other provisions in

MSRA, including the new international overfishing provisions in MSA section 304(i). Prior to MSRA, fisheries managed under international agreements in which the United States participates (referred to in this action as ``international fisheries'') were subject to MSA section 304(e) requirements regarding overfishing and rebuilding. However, in many of these fisheries, the United States could not unilaterally end overfishing or rebuild the stocks. New MSA section 304(i) and other

MSRA provisions acknowledge the increasing problem of international overfishing and the challenges of establishing conservation and management measures at the international level. Given Congress's recognition of the increasing problem of international overfishing and the complexities of international negotiation, NMFS believes that the

ACL exception should apply to fisheries that are subject to management under international agreements in which the United States participates.

Applying ACLs or AMs only to the U.S. portion of the catch would not effect rebuilding or end overfishing, would potentially disadvantage

U.S. fishermen with respect to foreign fishermen, and could weaken U.S. negotiating positions at international fora in which it participates.

Apart from the statutory exceptions, NMFS recognizes that there are limited circumstances that do not fit the standard approaches to specification of reference points and management measures set forth in the proposed revisions to the NS1 guidelines. These include, among other things, conservation and management of ESA-listed species, harvests from aquaculture operations, and stocks with unusual life history characteristics (e.g., Pacific salmon, where the spawning potential for a stock is spread over a multi-year period). For fisheries where ESA-listed species are incidentally caught, the ESA recovery plan would be a significant driver for setting management objectives, including ACLs, for the fishery. For aquaculture, once managers address status of broodstock taken from the wild (i.e., whether overfishing is occurring and/or whether the stock is in need of rebuilding), then the levels of harvests from an aquaculture facility would not necessarily need to focus on ending or preventing overfishing or rebuilding stocks. In these circumstances, Councils may propose alternative approaches for satisfying the NS1 requirements of the

Magnuson-Stevens Act other than those set forth in these guidelines.

Councils should document their rationale for any alternative approaches for these limited circumstances in an FMP or FMP amendment, which will be reviewed for consistency with the Magnuson-Stevens Act.

For a fishery in a federal FMP that has a large majority of harvest in state or territorial waters, the fishery should have ACL that takes into account the overall status of the stock, whether in state or federal waters or beyond. However, NMFS recognizes that AMs could only be applied to the portion of the fishery under federal jurisdiction.

Given the jurisdictional issue, one approach proposed is that the overall ACL could be divided into a federal portion (federal-ACL) and a state portion (state-ACL). AMs would then be triggered when the federal-ACL was reached or projected to be reached (see further explanation in ``Accountability Measures'' section below).
MSRA Requirements for SSCs Related to ACLs

The MSRA added new requirements for SSCs in the MSA. New section

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302(g)(1)(B) of the MSA states that an SSC for each Regional Fishery

Management Council ``shall provide its Council ongoing scientific advice for fishery management decisions, including recommendations for acceptable biological catch, preventing overfishing, maximum sustainable yield, and achieving rebuilding targets, and reports on stock status and health, bycatch, habitat status, social and economic impacts of management measures, and sustainability of fishing practices.'' New section 302(g)(1)(E) provides that ``The Secretary and each Council may establish a peer review process for that Council for scientific information used to advise the Council about the conservation and management of the fishery.'' In addition, new section 302(h)(6) provides that each Regional Fishery Management Council is required to ``develop annual catch limits for each of its managed fisheries that may not exceed the fishing level recommendations of its scientific and statistical committee or the peer review process established under subsection (g).''

NMFS recognizes that there is variability in the peer review processes and involvement of SSCs amongst the various Councils. In addition, the above statutory sections could be subject to different interpretations. While MSA section 302(h)(6) refers generally to

``fishing level recommendations,'' section 302(g)(1)(B) refers to recommendations for ABC and MSY, among other things, and section 302(g)(1)(E) refers generally to ``scientific information.'' Further, the text provides for advice from the SSC but also refers to peer review processes, leaving open a question about the role and relationship between the two. NMFS believes that clear processes for implementing these provisions are important in order to ensure that

Councils get the information needed to establish ACL mechanisms, prevent confusion in the decision making process, and ensure general consistency in approaches taken.

For purposes of setting ACLs, a critical piece of scientific advice that Councils will need will be the ABC. Taking this into account, and considering the new requirements in light of existing SSC, Council, and peer review processes, NMFS proposes that the Councils establish a process that could be included in their Statement of Organization,

Practices and Procedures (see Sec. 600.115) which will: Establish an

ABC control rule, identify the body that will apply the ABC control rule (i.e., calculates the ABC), identify the review process that will verify the resulting ABC, and confirm that the SSC recommends the ABC to the Council. For Secretarial FMPs or FMP amendments, agency scientists or a peer review process would provide the scientific advice to establish ABC. For fisheries managed under international agreements in which the United States participates (referred to in this action as

``international fisheries''), stock assessments are conducted through international scientific bodies that may include U.S. and non-U.S. scientists. While the United States promotes fishery conservation and management principles as embodied in the MSA (see, e.g., MSA section 102(c)), it cannot guarantee that international actions will be consistent with the Act or NS1 guidelines. Thus, an ABC as defined in these guidelines would not be required for international fisheries.

For stock and stock complexes required to have an ABC, NMFS recommends that each Council should establish an ABC control rule (see

Sec. 600.310(f)(4) of this proposed action) based on scientific advice from its SSC. The process of establishing an ABC control rule could also involve science advisors or the peer review process established under MSA section 302(g)(1)(E). Stock assessment scientists, a plan development team, or other designated body would then apply the ABC control rule. If a peer review process is established it should investigate the technical merits of stock assessments and other scientific information used by the SSC. For example, a peer review process (e.g., Stock Assessment Review Panel) could validate the ABC calculation and then pass their results to the SSC. Ultimately, the SSC should make the formal ABC recommendation to the Council. For Council- managed fisheries, the peer review process is not a substitute for the

SSC, and should work in conjunction with the SSC.
MSY, OY, and SDC: A Review

MSY, OY, and SDC are concepts described in the current NS1 guidelines, and MSRA did not effect changes to the MSA that would require changes to these concepts. The following sections provide a review of MSY, OY, and SDC and an explanation of the relationship between them and the proposed guidance on ACLs and other requirements.

MSY is the largest long-term average catch or yield that can be taken from a stock or stock complex under prevailing ecological and environmental conditions and fishery technological characteristics. Any estimate of MSY depends on the population dynamics of the stock and the characteristics of the fisheries (e.g. gear selectivity). MSY stock size (Bmsy) is the long-term average size of the stock or stock complex, measured in terms of spawning biomass, or other appropriate measure of the stock's reproductive potential, that would be achieved by fishing at Fmsy. OY is the amount of fish that will provide the greatest overall benefit to the Nation, while preventing overfishing, particularly with respect to food production and recreational opportunities, and taking into account the protection of marine ecosystems. OY is prescribed on the basis of the MSY from the fishery, as reduced by relevant economic, social or ecological factors. In the case of an overfished fishery, OY provides for rebuilding to a level consistent with producing MSY in such a fishery. In NS1, use of the phrase, ``achieving, on a continuing basis, the optimum yield from each fishery'' means producing, from each stock, stock complex or fishery a long-term series of catches such that the average catch is equal to OY, overfishing is prevented, the long term average biomass is near or above Bmsy, and overfished stocks are rebuilt in as short a time as possible as specified in MSA section 304(e)(4). OY might be established at the stock or stock complex level, or for a fishery comprised of stocks, many of which have their own ACL and ACT (e.g., groundfish of the Gulf of Alaska and groundfish of the Bering Sea and Aleutian

Islands).

Section 3(34) of the MSA states that ``overfishing'' and

``overfished'' mean a rate or level of fishing mortality that jeopardizes the capacity of a fishery to produce the maximum sustainable yield on a continuing basis. To reduce confusion and conform to usage of those terms in other fisheries worldwide, in the current NS1 guidelines, NMFS interpreted these terms so that

``overfished'' pertains to the biomass of the stock or stock complex, and ``overfishing'' pertains to a rate or level of removal of fish from the stock or stock complex. The current NS1 guidelines also provide for

SDC, which are quantifiable factors for determining whether a stock or stock complex is overfished or if overfishing is occurring. An overfished definition consists of a measure of stock abundance called the minimum stock size threshold (MSST), below which a stock's or stock complex's capacity to produce MSY on a continuing basis is jeopardized.

Overfishing of a stock or stock complex occurs whenever a stock or stock complex is subjected to a rate or level of fishing mortality, called the

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maximum fishing mortality threshold (MFMT), above which the stock's or stock complex's capacity to produce MSY on a continuing basis is jeopardized or annual catch exceeds a stock's or stock complex's OFL.

MSRA made no changes to the MSA that would necessitate different interpretations of these terms or different approaches to these concepts.
Description of the Relationship of OFL to MSY and ACT to OY

National Standard 1 establishes the relationship between conservation and management measures, preventing overfishing, and achieving OY from each stock, stock complex or fishery. The following sections describe in detail NMFS' proposed guidance on ACLs and other new requirements. Among other things, the proposed guidance introduces new terms--overfishing limit (OFL) and annual catch target (ACT)--which are not set forth in the MSA but which NMFS believes would be helpful to implement the statutory requirements. As an overview, OFL is an annual amount of catch that corresponds to the estimate of MFMT applied to a stock or complex's abundance; MSY is the long-term average of such catches. The current NS1 guidelines define overfishing with regard to

MFMT, which is a rate of fishing. The use of OFL would provide another method for measuring overfishing by allowing the comparison of a stock or stock complexes' annual catch to its OFL; if catch exceeds OFL, overfishing is occurring. It is recommended that ABC would be set below

OFL to take into account the scientific uncertainty in the estimate of

OFL.

ACL would be the limit that triggers AMs, and ACT would be the management target for the fishery. Management measures for a fishery should, on an annual basis, achieve the ACT and prevent the ACL from being exceeded. The long-term objective is to achieve OY through annual achievement of ACT.
Definition Framework for OFL, ABC, ACL, and ACT

The MSRA does not define ACLs, AMs, and ABC, and there are many different ways in which these terms can be defined. The voluminous comments that NMFS received during scoping reflects the wide range of possible interpretations and approaches. For example, some commenters felt that ACL should be considered a target catch level and others felt it should be a limit that should not be approached or reached. Many commenters suggested, in general, that a buffer be implemented between management targets and limits in order to prevent overfishing and account for uncertainty. Over the past year, NMFS spent considerable time reviewing different interpretations of the ACL requirement in light of MSA sections 303(a)(15), 302(h)(6), and 302(g) and other sections of the MSA, and taking into consideration the current NS1 guidelines, previously proposed changes to those guidelines, existing

FMPs and FMP amendments, scientific and management roles in the decision making process, and public comment. Based on this review, NMFS proposes the following definitions for ACL, AM, and ABC, and also for

ACT and OFL: 1. Overfishing limit (OFL) means ``the annual amount of catch that corresponds to the estimate of MFMT applied to a stock or stock complex's abundance and is expressed in terms of numbers or weight of fish.'' See Sec. 600.310(e)(2)(i)(D) of this proposed action. 2. Acceptable biological catch (ABC) means ``a level of a stock or stock complex's annual catch that accounts for the scientific uncertainty in the estimate of OFL and should be specified based on the

ABC control rule.'' See Sec. 600.310 (f)(2)(ii) of this proposed action. 3. Annual catch limit (ACL) means ``the level of annual catch of a stock or stock complex that serves as the basis for invoking accountability measures.'' See Sec. 600.310(f)(2)(iv) of this proposed action. 4. Annual catch target (ACT) means ``an amount of annual catch of a stock or stock complex that is the management target of the fishery. A stock or stock complex's ACT should usually be less than its ACL and results from the application of the ACT control rule. If sector-ACLs have been established, each one should have a corresponding sector-

ACT.'' See Sec. Sec. 600.310(f)(2)(v) and (f)(6) of this proposed action. 5. Accountability measures (AMs) means ``management controls that prevent ACLs or sector-ACLs from being exceeded (inseason AMs), where possible, and correct or mitigate overages if they occur.'' See Sec. 600.310(g) of this proposed action.

As proposed in this action, the relationship between the above terms would be OFL>=ABC>=ACL>=ACT (see Figure 2). Because a primary goal of the MSA, and management responsibility of NMFS and the

Councils, is to end and prevent overfishing, rather than account for it after it occurs, NMFS believes that a good approach to management is to have OFL>ABC and ACL>ACT. The ABC is lower than the OFL to address scientific uncertainty in the estimate of OFL, and ACT is lower than the ACL to address uncertainty in the accounting for catch and in the degree to which management measures can control catch to the target level.

OFL is an annual amount of catch that corresponds to the estimate of MFMT applied to a stock or complex's abundance, and MSY is the long- term average of such catches. NMFS proposes that OFL be the upper bound of ABC, but that ABC should usually be reduced from the OFL to account for scientific uncertainty in the estimate of OFL. For overfished stocks, ABC must also be set to reflect the annual catch that is consistent with the rebuilding plan for that stock. Therefore, if a stock is being managed under a rebuilding program, its ABC should be lower during some or all stages of rebuilding than when the stock is rebuilt. The ABC will be set on the basis of the ABC control rule.

The proposed guidelines would have the Councils set the ACL as a level of catch specified for a stock or stock complex each year that cannot exceed its ABC. If a stock or stock complex's catch exceeds its

ACL, AMs will be invoked as specified in the FMP. The ACL may typically be equal to the ABC and setting the ACL provides an opportunity to divide the total ACL into sector-specific ACLs. As noted above, the purpose of the ACT is to address management uncertainty. The ACT would be the target catch of a stock or stock complex that a fishery is managed to attain and should generally be less than the stock or stock complex's ACL. ``Catch'' includes fish that are retained for any purpose, as well as mortality of fish that are discarded (see Sec. 600.310(f)(2)(i) of this proposed action). Therefore, for fisheries where bycatch estimates are not available in a timely enough manner to manage annual catch, targets may be specified for landings, so long as an estimate of bycatch is accounted for such that total of landings and bycatch will not exceed the stock's or stock complex's ACL. For a stock with sufficient inseason data monitoring, the fishery for that stock would be closed in time to prevent the ACL from being exceeded.

NMFS notes that when it published an initial notice about ACLs, ACT was not a parameter used when exploring the concept of how to make ACLs and AMs operational. At that time, NMFS suggested an initial approach of OFL>ABC>=ACL with ACL as the target catch that management measures should try to attain. Under that approach, if catch of a stock reached the OFL, its

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fishery would be closed. During the scoping period, NMFS received some public comments expressing concern about the use of an ACL as a management target as opposed to a ``limit.'' Also, the framework contained in this proposed rule provides for better separation between scientific uncertainty in estimating OFL (i.e., a recommendation that

ABC be lower than OFL), and management uncertainty and OY factors indicating that an ACT be lower than the ACL.

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Control Rules

Control rules are harvest strategies that specify how a stock's or stock complex's catch will be modified in response to one or more factors, particularly estimated stock size. The current NS1 guidelines include MSY control rules which are ``limit'' control rules and OY control rules which are ``target'' control rules. For any stock, the limit control rule results in a higher amount than the target control rule for a given stock abundance. Because of the new MSA requirement for annual catch limits to end and prevent overfishing for stocks in a fishery, NMFS proposes that MSY control rules be replaced by ABC control rules and become the new limit control rule, and OY control rules be replaced by ACT control rules and become the new target control rule. This would align the control rules more directly with the new requirement to specify an ABC and an ACL for stocks in the fishery

(see earlier discussion in the preamble for the relationship between

OFL and MSY, and between ACT and OY).

ABC and ACT control rules should be developed for each stock when possible. For stock complexes, ABC and ACT control rules should be developed for each indicator stock or for the stock complex as a whole.

ACTs should be set with the intention that they typically will be achieved. A stock's or stock complex's ACT control rule should result in lower target catches than the ABC control rule would, for all levels of a stock's or stock complex's abundance.

In the proposed revisions to NS1 guidelines, an ABC control rule is a specified approach to setting the ABC for a stock or stock complex as a function of the scientific uncertainty in the estimate of OFL. An ACT control rule is an approach to setting the ACT for each stock and stock complex such that the risk of exceeding ACL due to management uncertainty (ability to control catch and variability in catch data) is an acceptably low level. Both control rules are designed to reduce the risk that overfishing will occur.

For rebuilding stocks, the ABC, ACL, and ACT should be set at lower levels than for rebuilt stocks because two

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objectives are combined. First, overfishing should not occur; and second, rebuilding at a rate commensurate with the stock's rebuilding plan should occur. This means that, for a rebuilding stock, a lower target fishing mortality rate may be needed to accomplish rebuilding, in addition to avoiding overfishing (i.e., ACL and ACT are lower than they would be if the stock was rebuilt).
Sector ACLs, ACTs, and AMs

A Council may decide, but is not required, to divide the ACL into sector-ACLs. ``Sector'' for purposes of the NS1 guidelines means a distinct user group to which separate management strategies and catch quotas apply. Examples of sectors could include the commercial sector, recreational sector, or various gear groups within a fishery. It is up to each Council to decide how to designate sectors, if any. If sector-

ACLs are established, sector-AMs and sector-ACTs must be developed for each sector-ACL. In cases where states cooperatively manage a stock, it is possible that a sector ACL could be further subdivided in order to establish ``subsector'' ACLs and ACTs for various states to align with current management of catch limits or quotas in the state fisheries.

The system of ACLs and AMs must be effective and equitable and protect the stock as a whole from overfishing. The sum of a stock's sector-ACLs must not exceed the stock's ACL. If sector-ACLs and sector-AMs are established, additional AMs at the stock level would also be appropriate. A sector must be closed inseason if timely catch data indicates its ACL has been reached. If a sector does not have timely inseason fisheries data, or has a history of annual overages, then a

Council should establish a large enough difference between a sector's

ACT and ACL to improve the probability that the sector-ACL and the stock's ACL are not exceeded.
Accountability Measures

AMs are management controls implemented for stocks such that exceeding the ACL or sector-ACL is prevented, where possible, and corrected or mitigated if it occurs (see Sec. 600.310(g) of this proposed action). AMs include: (1) Those that are applied inseason and designed to prevent the ACL from being reached; (2) measures applied after the fishing year that are designed to address the operational issue that caused the ACL overage, ensuring it does not happen in subsequent fishing years, and, as necessary, address any biological harm to the stock; and (3) those based on multi-year average data which are still reviewed and applied annually (see discussion below). AMs should address and minimize both the frequency of overages and the magnitude of an overage. AMs should be designed so that if an ACL is exceeded, specific adjustments are effective in the next fishing year, or as soon as possible, with explanation of why more timely adjustment is not possible.

If timely inseason fishery catch data are available for a stock,

Councils should ensure their FMPs contain inseason closure authority as an AM to prevent a stock's ACL from being exceeded. Where fishery catch data are not timely enough to implement inseason AMs, the ACT should be adjusted downward from the ACL to account for the increased management uncertainty and the delayed ability to implement AMs.

A ``multiyear plan'' as referenced in section 303(a)(15) of the MSA is a plan that establishes harvest specifications or harvest guidelines for each year of a time period greater than one year. Because

``multiyear plans'' establish ACLs and ACTs for more than one year at a time, they should include AMs that provide if an ACL is exceeded in one year, then a subsequent year's harvest specification (including ACLs and ACTs) could be revised (see Sec. 600.310(f)(5)(i) of this proposed action).

Some fisheries have highly variable annual catches and lack reliable inseason or annual data on which to base AMs. If there are insufficient data upon which to compare catch to ACL, either inseason or on an annual basis, a Council could base AMs on comparison of average catch to average ACL over a three-year moving average period or, if supported by analysis, some other appropriate multi-year period

(see Sec. 600.310(g)(4) of this proposed action). As a performance standard, if the average catch exceeds the average ACL more than once in the last four years, then the ACL, ACT and AM system should be re- evaluated to improve its performance. The initial ACL and management measures should incorporate information from previous years so that AMs based on average ACLs can be applied from the first year.

If a stock is in a rebuilding plan and its ACL is exceeded, the AMs should include overage adjustments that reduce the ACL in the next fishing year by the full amount of the overage, unless the best scientific information available shows that a reduced overage adjustment is sufficent, or no adjustment is needed to mitigate the effects of the overage. This AM is important to increase the likelihood that the stock will continue to rebuild.

As discussed earlier, stocks and stock complexes in federal FMPs that have a large majority of harvest in state or territorial waters should have an ACL that takes into consideration the overall status of the stock. However, federal management would be limited to that portion of the fishery under federal jurisdiction. Options for AMs that a

Council could consider for stocks or stock complexes caught mostly in state or territorial waters would include, but are not limited to: (1)

Close the EEZ when the federal portion of the ACL is reached, or (2) close the EEZ when the overall stock or stock complex's ACL is reached.

The AMs should ensure that federal managers are doing as much as possible to end and prevent overfishing. When stocks are co-managed by federal, state, tribal, and/or territorial fishery managers, the goal should be to develop collaborative conservation and management strategies, and scientific capacity to support such strategies, to prevent overfishing of shared stocks and ensure their sustainability.
Summary of Items To Include in FMPs

This section provides a summary of items that Councils should include in their FMPs and FMP amendments in order to address ACL, AM, and other aspects of the proposed NS1 guidelines. Some items are specific to new MSRA provisions. Others were required prior to MSRA, but are included here so as to be comprehensive. Councils may review their FMPs to decide if all stocks are ``in the fishery'' or whether some fit the category of ``ecosystem component species'' and amend their FMP as appropriate. If they do not establish EC species through an FMP amendment, then all stocks in an FMP are presumed to be ``in the fishery.'' For all stocks and stock complexes that are in the fishery, the Councils should evaluate and describe the following items in their

FMPs and amend the FMPs, if necessary, to align their management objectives to end or prevent overfishing (see Sec. 600.310(c) of this proposed action): (1) MSY and SDC, (2) OY at the stock, stock complex or fishery level, (3) ABC control rule, (4) ACLs and mechanisms for setting ACLs and possible sector-specific ACLs in relationship to the

ABC, (5) ACT control rule, (6) AMs and AM mechanisms, and (7) stocks and stock complexes that have statutory exceptions from ACLs or fall under limited circumstances which require different approaches to meet the ACL requirements (e.g., ESA-listed

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stocks and harvests from aquaculture facilities).

The Councils should evaluate the extent to which their FMPs comply with requirements to define MSY and OY for stocks in the fishery, and the reasons that OY is reduced from MSY (see Sec. 600.310(e)(3)(iv) of this proposed action). An overall objective of management of federal fisheries under the MSA is to conserve fishery resources so as to prevent overfishing and achieve OY (see sections 2(a)(6) and 2(b)(4) of the MSA). OY is based on MSY for a fishery, as reduced for economic, social, or ecological reasons (see section 3(33)(B) of the MSA).

Therefore, it is important that all FMPs have MSY and OY prescribed correctly.

FMPs should contain a description of fisheries data for the stocks, stock complexes, and ecosystem component species. The sources of fishing mortality, such as commercial catch (both landed and discarded), recreational catch, and bycatch in other fisheries should be listed in the FMP for each fishery, along with a description of the data collection and estimation methods used to quantify total catch mortality in each fishery. The description of the data collection methods used to monitor the fishery should include information on the frequency that those data are collected and updated and the scope of sampling coverage for the fishery. In addition, the FMP should describe how those data are used to determine the relationship between total catch at a given point in time and the ACL for a stock or stock complex.

FMPs should explain issues related to shared jurisdiction of stocks

(if any), and the degree to which ACLs and AMs established by the

Councils will ensure that overfishing does not occur on the stock as a whole.

NMFS is aware that existing FMPs may use terms that are similar to, associated with, or may be equivalent to ABC, ACL, ACT, and AM in many fisheries for which annual specifications are set for different stocks or stock complexes. NMFS' preference is that, as Councils revise their

FMPs, they use the same terms as set forth in the NS1 guidelines as finalized. However, given the longstanding use of terms under certain

FMPs, if changing terminology could cause confusion, Councils could opt to retain existing terminology and explain in a proposed rule how the terminology and approaches in the FMPs are consistent with those set forth in the NS1 guidelines.

Councils should amend their FMPs to provide explicit narrative of how the FMP objectives and annual management measures will work with

ACLs and AMs. All stocks and stock complexes should have an annual or multiyear specification process for stocks managed in a fishery. An annual or multiyear specification process for setting or adjusting ACLs provides a timely, consistent method that the public and stakeholders can understand, and that provides an opportunity for public comment.

Such a process could also provide a method for assigning an ACL, ACT, and AM to a ``stock having a life cycle of approximately one year'' that is undergoing overfishing.
Change in Timetable When Establishing a Rebuilding Plan

The MSA provides that the Secretary shall annually identify stocks and stock complexes that are overfished or approaching a condition of being overfished; notify the appropriate Council at any time when a stock or stock complex is determined to be overfished; and notify the appropriate Council when adequate progress is not being made under existing FMPs, FMP amendments, or regulations (see MSA sections 304(e)(1), (2), and (7)). MSRA did not change these identification and notification provisions but revised the timing of Council actions.

Currently, the Councils have 1 year to prepare an FMP, an FMP amendment, or proposed regulations (see MSA sections 304(e)(3) and 304 note (Effective Date for Subsection (c)). Beginning July 12, 2009, the

Councils have 2 years from the date of an identification or notification to prepare and implement an FMP, an FMP amendment, or proposed regulations ``to end overfishing immediately in the fishery and to rebuild affected stocks * * * or to prevent overfishing from occurring in the fishery whenever such fishery is identified as approaching an overfished condition'' (see MSA section 304(e)(3), as revised by MSRA section 104(c)). To facilitate timely implementation of actions under revised section 304(e)(3), the Councils should submit an

FMP, an FMP amendment, or proposed regulations within 15 months of an identification or notification under this section. This will provide the Secretary with 9 months to implement the measures, if approved (see

Sec. 600.310(j)(2)(ii) of this proposed action).

While MSA section 304(e)(3) provides for two years for a Council to prepare and implement an FMP, FMP amendment, or proposed regulations, as discussed earlier, MSA section 303(a)(15) has a separate requirement for FMPs and ACLs that is effective in fishing year 2010 for fisheries determined to be subject to overfishing and in fishing year 2011 for all other fisheries. Thus, as of 2010 and beyond, for a stock and stock complex determined to be overfished and experiencing overfishing, a

Council needs to take measures consistent with MSA section 303(a)(15) that address overfishing while the rebuilding plan is under development.
Establishing the Length of Time for a Rebuilding Plan

NMFS proposes clarifying guidance for calculating the target time to rebuild (Ttarget) in rebuilding plans for stocks (see

Sec. 600.310(j)(3)(i)(E) of this proposed action), based on experiences with FMPs since the last NS1 guideline revisions. The purpose of this clarification is to emphasize that the rebuilding time must be ``as short as possible,'' taking several factors into account

(see MSA section 304(e)(4)(A)(i)). Establishing the Ttarget should be based on the minimum time for rebuilding a stock

(Tmin), and factors described in Sec. 600.310(j)(3) of this proposed action with priority given to rebuilding in as short a time as possible. Ttargetshall not exceed the maximum time allowable for rebuilding (Tmax) and should generally be less than Tmax.
Action When a Stock's Rebuilding Plan Ends and the Stock Is Not

Rebuilt

Many rebuilding plans for overfished stocks under section 304(e) of the MSA were initiated in 1998, or later, and some of those plans are reaching the end of their rebuilding periods such that a stock is no longer overfished, but not rebuilt. NMFS does not have explicit guidance in the NS1 guidelines to describe what a Council should do under such circumstances. Therefore, NMFS proposes that if a stock reaches the end of its rebuilding plan period and it is not yet determined to be rebuilt, then the rebuilding F should not be increased until the stock has been demonstrated to be rebuilt (see Sec. 600.310(j)(3)(ii) of this proposed action). If the rebuilding plan was based on a Ttargetthat was less than Tmax, and the stock is not rebuilt by Ttarget, rebuilding measures should be revised if necessary, such that the stock will be rebuilt by

Tmax. If the stock has not rebuilt by Tmax, and the rebuilding F is greater than 75 percent of MFMT, then the rebuilding F should be reduced to no more than 75 percent of MFMT until the stock has been demonstrated to be rebuilt.

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Changes to the Definitions of Some Components of MSY

NMFS is proposing changes to the definitions of some components of

MSY. The purposes of these changes are to improve some portions of the

MSY related definitions and to further clarify how MSY is estimated.

The definition of MSY in the NS1 guidelines would remain the same for the most part but the phrase ``and fishery technological characteristics (e.g., gear selectivity) and the distribution of catch among fleets'' would be added to the end of the definition (see Sec. 600.310(e)(1)(i)(A) of this proposed action). The purpose of this change is to acknowledge that MSY also depends upon gear selectivity

(age at entry) and the catch performance of the fishery, which can depend on the relative proportion of catch between different fleets with differing fishing characteristics. The definition of MSY stock size would be changed in two places. Currently, the guidelines state that ``MSY stock size means the long-term average size of the stock or stock complex, measured in terms of spawning biomass or other appropriate units that would be achieved under a MSY control rule in which the fishing mortality rate is constant.'' In the proposed guidelines (see Sec. 600.310(e)(1)(i)(C) of the proposed action), NMFS clarifies that ``other appropriate units'' means an ``appropriate measure of the stock's reproductive potential.'' NMFS also replaces the statement that ``the fishing mortality rate is constant'' with

``Fmsy.'' NMFS also added a definition for MSY fishing mortality rate

(Fmsy) (see Sec. 600.310(e)(1)(i)(B) of the proposed action), which was lacking in the current guidelines. MSY fishing mortality ``is the fishing mortality rate that, if applied over the long term, would result in MSY.''
Social, Economic and Ecological Factors as They Relate to OY

NMFS proposes additional guidance to better describe social and ecological factors, and minor revisions to the economic factors as they relate to setting OY for a stock (see Sec. 600.310(e)(3)(iv) of this proposed action). The revisions to the social factors describe fishery- related indicators and non-fishery related indicators that should be considered when OY needs to be reduced for a stock or stock complex.
Scope of This Proposed Action

NMFS received voluminous comments during its scoping comment period for ACLs and AMs, including proposals to strengthen guidance on ecosystem considerations when setting ACLs and AMs. While NMFS has carefully considered all comments received, it will not be able to include all proposed NS1 revisions in this action. These proposed revisions to the NS1 guidelines will address primarily the need to have

ACL and AM mechanisms and ACLs and AMs in place such that ACLs end overfishing in 2010, for stocks undergoing overfishing, and prevent overfishing for all other stocks beginning in 2011.

NMFS intends to withdraw most of the proposed revisions to the NS1 guidelines that were published in 2005 in a separate withdrawal of a proposed rule action. A few of the topics from the 2005 rule are considered in this action, such as: (1) Establishing the length of time for a rebuilding plan; (2) action to take when a stock is not determined to be rebuilt at the end of its rebuilding plan; and (3) the definition of several components of MSY. Other proposed revisions considered in the 2005 proposed NS1 guidelines and suggested during the comment period for this action will be considered by NMFS for possible inclusion in subsequent revisions to the NS1 guidelines.
Republishing Codified Text in Its Entirety

For clarity and convenience of the reader, this proposed rule would revise Sec. 600.310 in its entirety. The following describes the changes to Sec. 600.310 that are being proposed.

In the proposed revisions to Sec. 600.310, paragraph (b)--General, would be revised to contain a general outline of information provided by the NS1 guidelines. Current paragraph (b) only contains a brief summary of the relationship between MSY and OY.

Current paragraph (c)--MSY is revised and redesignated paragraph

(e)(1).

Current paragraph (d)(1)--Definitions, is revised and redesignated paragraph (e)(2)(i).

Current paragraph (d)(2)--Specification of status determination criteria, is revised and redesignated paragraph (e)(2)(ii).

Current paragraph (d)(3)--Relationship of status determination criteria to other national standards is revised, redesignated paragraph

(l) and renamed, ``Relationship of National Standard 1 to other national standards.''

Current paragraph (d)(6)--Exceptions, is revised, redesignated paragraph (m), and renamed, ``Exceptions to requirements to prevent overfishing.''

Current paragraph (e)--Ending overfishing and rebuilding overfished stocks, is revised and redesignated paragraph (j)--Council actions to address overfishing and rebuilding for stocks and stock complexes in the fishery.

Current paragraph (f)--OY is redesignated paragraph (e)(3).

Revised paragraphs with much different content include: Paragraph

(c)--Summary of Items to Include in FMPs Related to NS1, paragraph

(d)--Classifying stocks in an FMP, and paragraph (f)--Acceptable

Biological Catch, Annual Catch Limits, and Annual Catch Targets.

New paragraphs that contain new content not covered in the current

NS1 guidelines include: (g) Accountability measures, (h) Establishing

ACL and AM mechanisms in FMPs, (i) Fisheries data, and (k)

International overfishing.
Classification

Pursuant to the Magnuson-Stevens Act, the NMFS Assistant

Administrator has determined that this proposed rule is consistent with the Magnuson-Stevens Act, and other applicable law, subject to further consideration after public comment.

This proposed rule has been determined to be significant for purposes of Executive Order 12866. NOAA has prepared a regulatory impact review of this rulemaking, which is available at: http:// www.nmfs.noaa.gov/msa2007/catchlimits.htm. This analysis discusses various policy options that NOAA considered in preparation of this proposed rule, given NOAA's interpretation of the statutory terms in the MSRA, such as the appropriate meaning of the word ``limit'' in

``Annual Catch Limit,'' and NOAA's belief that it has become necessary for Councils to consider separately the uncertainties in fishery management and the scientific uncertainties in stock evaluation in order to effectively set fishery management policies and ensure fulfillment of the goals to end overfishing and rebuild overfished stocks.

NOAA invites the public to comment on this proposal, the supporting analysis, and its underlying interpretation of the analytical requirements of the MSRA. In particular, NOAA seeks comment on: The appropriate interplay of the OFL, ABC, ACL and ACT; whether the

Council's experience with MSY and OY would readily translate into these new concepts; whether the ACT and ACT control rules, as proposed, would be effective tools in managing fisheries at risk; the degree to which

Councils should have the flexibility to specify stringent AMs to prevent the ACL from

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being exceeded in lieu of setting an ACT and ACT control rules; and the expected burden of these analytical requirements, both in terms of time and resources.

The Chief Counsel for Regulation of the Department of Commerce certified to the Chief Counsel for Advocacy of the Small Business

Administration that these proposed revisions to the NS1 guidelines, if adopted, would not have any significant economic impact on a substantial number of small entities, as follows:

I certify that the attached proposed action issued under the authority of the Magnuson-Stevens Fishery Conservation and

Management Act (MSA) will not have any significant economic impacts on a substantial number of small entities, as defined under the

Regulatory Flexibility Act. The proposed action would revise the

National Standard 1 (NS1) guidelines at 50 CFR 600.310.

The proposed revisions to the NS1 guidelines provide guidance on how to address new overfishing and rebuilding and related requirements under MSA sections 303(a)(15), 304(e), and other sections. Pursuant to section 301(b) of the Act, the NS guidelines do not have the force and effect of law. Regional Fishery Management

Councils (Councils) and the Secretary of Commerce would use the NS1 guidelines when developing or amending FMPs to implement annual catch limits (ACLs) and accountability measures (AMs) and to take necessary actions to rebuild overfished fisheries. ACL and AM requirements under section 303(a)(15) of the Magnuson-Stevens Act are effective in fishing year 2010, for stocks undergoing overfishing and in fishing year 2011, for all other fisheries. NMFS believes that revisions to the NS1 guidelines will assist the

Councils and the Secretary in addressing new MSA requirements, ensure greater consistency in approaches to ending overfishing and rebuilding stocks, increase efficiency in reviewing actions and tracking annual management performance, and improve communication between NMFS and the Councils.

Because the NS1 guidelines are general guidance and there is considerable diversity in the different federally-managed fisheries, potential economic impacts of the guidelines are highly speculative.

As the Councils and/or the Secretary apply these guidelines to specific fisheries, they will develop FMPs, FMP amendments, or other regulatory actions that will be accompanied by environmental, economic, and social analyses prepared pursuant to the Regulatory

Flexibility Act, National Environmental Policy Act, and other statutes.

NMFS has identified a total of 59,823 commercial vessel permit holders and 18,486 headboat and charter boat vessel permits. A total of 26,074 recreational permits exist for Atlantic highly migratory species (HMS). Operator permits are estimated at 6,636 and dealer permits were estimated at 7,550. However, it is important to note that in most cases each vessel possesses permits for several fisheries (multiple vessel permits). As such, the total number of vessel permits (commercial, headboat and charter boat, and HMS recreational) grossly overestimate the actual number of vessels that are operating in these fisheries. All vessels included in the total vessel permits for each fishery are considered to be small entities for the purposes of the Regulatory Flexibility Act analysis. As a result, NMFS does not believe that these proposed revisions to the

NS1 guidelines would place a substantial number of small entities at a disadvantage as compared to large entities or that it would reduce profit significantly. The NS1 guidelines would provide general guidance on ending and preventing overfishing and rebuilding fisheries, leaving considerable discretion to the Councils and the

Secretary to consider alternative ways to accomplish these goals consistent with the NS, other provisions of the Magnuson-Stevens

Act, and other applicable law. Therefore, an IRFA has not been prepared for this action.

These proposed revisions to the NS1 guidelines do not contain any new recordkeeping or reporting requirements subject to the

Paperwork Reduction Act. When the Councils and the Secretary develop

FMPs, FMP amendments, or other regulatory actions per the Magnuson-

Stevens Act and NS1 guidelines, such actions may include new proposed collection-of-information requirements. In the event that new collection-of-information requirements are proposed, a specific analysis regarding the public's reporting burden would accompany such action. NMFS is not aware of any other relevant federal rules that may duplicate, overlap or conflict with the proposed rule.

List of Subjects in 50 CFR Part 600

Fisheries, Fishing, Reporting and recordkeeping requirements.

Dated: June 3, 2008.

Samuel D. Rauch, III,

Deputy Assistant Administrator for Regulatory Programs, National Marine

Fisheries Service.

For the reasons stated in the preamble, 50 CFR part 600 is proposed to be amended as follows:

PART 600--MAGNUSON-STEVENS ACT PROVISIONS 1. The authority citation for part 600 continues to read as follows:

Authority: 16 U.S.C. 1801 et seq. 2. Section 600.310 is revised to read as follows:

Sec. 600.310 National Standard 1--Optimum Yield.

(a) Standard 1. Conservation and management measures shall prevent overfishing while achieving, on a continuing basis, the optimum yield

(OY) from each fishery for the U.S. fishing industry.

(b) General. (1) The guidelines set forth in this section describe fishery management approaches to meet the objectives of National

Standard 1 (NS1), and include guidance on:

(i) Specifying maximum sustainable yield (MSY) and OY;

(ii) Specifying status determination criteria (SDC) so that overfishing and overfished determinations can be made for stocks and stock complexes that are part of a fishery;

(iii) Preventing overfishing and achieving OY using a system of limits and targets, incorporation of scientific and management uncertainty in control rules, and adaptive management using annual catch limits (ACL) and measures to ensure accountability (AM); and

(iv) Rebuilding stocks and stock complexes.

(2) Overview of Magnuson-Stevens Act concepts and provisions related to NS1--(i) MSY. The Magnuson-Stevens Act establishes MSY as the basis for fishery management and requires that: The fishing mortality rate does not jeopardize the capacity of a stock or stock complex to produce MSY; the abundance of an overfished stock or stock complex be rebuilt to a level that is capable of producing MSY; and OY not exceed MSY.

(ii) OY. The determination of OY is a decisional mechanism for resolving the Magnuson-Stevens Act's conservation and management objectives, achieving a fishery management plan's (FMP) objectives, and balancing the various interests that comprise the greatest overall benefits to the Nation. OY is based on MSY as reduced under paragraphs

(e)(3)(iii) and (iv) of this section. The most important limitation on the specification of OY is that the choice of OY and the conservation and management measures proposed to achieve it must prevent overfishing.

(iii) ACLs and AMs. Any FMP which is prepared by any Council shall establish a mechanism for specifying ACLs in the FMP (including a multiyear plan), implementing regulations, or annual specifications, at a level such that overfishing does not occur in the fishery, including measures to ensure accountability (Magnuson-Stevens Act section 303(a)(15)). Subject to certain exceptions and circumstances described in paragraph (h) of this section, this requirement takes effect in fishing year 2010, for fisheries determined subject to overfishing, and in fishing year 2011 for all other fisheries (Magnuson-Stevens Act section 303 note). ``Council'' includes the Regional Fishery Management

Councils and the Secretary of Commerce, as appropriate (see Sec. 600.305(c)(11)).

(iv) Reference points. SDC, MSY, acceptable biological catch (ABC),

ACL, and annual catch target (ACT), which are described further in paragraphs (e)

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and (f) of this section, are collectively referred to as ``reference points.''

(v) Scientific advice. The Magnuson-Stevens Act has requirements regarding scientific and statistical committees (SSC) of the Regional

Fishery Management Councils, including but not limited to, the following provisions:

(A) Each Regional Fishery Management Council shall establish an SSC as described in section 302(g)(1)(A) of the Magnuson-Stevens Act.

(B) Each SSC shall provide its Regional Fishery Management Council recommendations for ABC as well as other scientific advice, as described in Magnuson-Stevens Act section 302(g)(1)(B). The SSC may specify the type of information that should be included in the Stock

Assessment and Fishery Evaluation (SAFE) report (see Sec. 600.315).

(C) The Secretary and each Regional Fishery Management Council may establish a peer review process for that Regional Fishery Management

Council for scientific information used to advise the Regional Fishery

Management Council about the conservation and management of the fishery

(see Magnuson-Stevens Act section 302(g)(1)(E)). If a peer review process is established, it should investigate the technical merits of stock assessments and other scientific information used by the SSC. The peer review process is not a substitute for the SSC and should work in conjunction with the SSC.

(D) Each Regional Fishery Management Council shall develop ACLs for each of its managed fisheries that may not exceed the fishing level recommendations of its SSC or peer review process (Magnuson-Stevens Act section 302(h)(6)).

(3) Approach for setting limits and targets for consistency with

NS1. In general, when specifying limits and targets intended to avoid overfishing and achieve sustainable fisheries, Councils should take an approach that considers uncertainty in scientific information and management control of the fishery. These guidelines identify limit and target reference points which should be set lower as uncertainty increases such that there is a low risk that limits are exceeded as described in paragraphs (f)(4) and (f)(6) of this section.

(c) Summary of items to include in FMPs related to NS1. This section provides a summary of items that Councils should include in their FMPs and FMP amendments in order to address ACL, AM, and other aspects of the NS1 guidelines. As described in further detail in paragraphs (c)(1) through (7) of this section, Councils may review their FMPs to decide if all stocks are ``in the fishery'' or whether some fit the category of ``ecosystem component species'' and amend their FMPs as appropriate. If they do not establish ecosystem component species through an FMP amendment, then all stocks in an FMP are presumed to be ``in the fishery.'' Councils should also describe fisheries data for the stocks, stock complexes, and ecosystem component species in their FMPs. For all stocks and stock complexes that are ``in the fishery,'' the Councils should evaluate and describe the following items in their FMPs and amend the FMPs, if necessary, to align their management objectives to end or prevent overfishing:

(1) MSY and SDC (see paragraphs (e)(1) and (2) of this section).

(2) OY at the stock, stock complex, or fishery level and provide the OY specification analysis (see paragraph (e)(3) of this section).

(3) ABC control rule (see paragraph (f)(4) of this section).

(4) ACLs and mechanisms for setting ACLs and possible sector- specific ACLs in relationship to the ABC (see paragraphs (f)(5) and (h) of this section).

(5) ACT control rule (see paragraph (f)(6) of this section).

(6) AMs and AM mechanisms (see paragraphs (g) and (h)(1) of this section).

(7) Stocks and stock complexes that have statutory exceptions from

ACLs (see paragraph (h)(2) of this section) or which fall under limited circumstances which require different approaches to meet the ACL requirements (see paragraph (h)(3) of this section).

(d) Classifying stocks in an FMP--(1) Introduction. Magnuson-

Stevens Act section 303(a)(2) requires that an FMP contain, among other things, a description of the species of fish involved in the fishery.

FMPs include target stocks and may also include non-target species or stocks. All stocks listed in an FMP or FMP amendment are considered to be ``in the fishery'' unless they are identified as ecosystem component

(EC) species through an FMP amendment process.

(2) Stocks in a fishery. Stocks in a fishery include: Target stocks; non-target stocks that are retained for sale or personal use; and non-target stocks that are not retained for sale or personal use and that are either determined to be subject to overfishing, approaching overfished, or overfished, or could become so, according to the best available information, without conservation and management measures. Stocks in a fishery may be grouped into stock complexes, as appropriate. Requirements for reference points and management measures for these stocks are described throughout these guidelines.

(3) ``Target stocks'' are stocks that fishers seek to catch for sale or personal use, including ``economic discards'' as defined under

Magnuson-Stevens Act section 3(9).

(4) ``Non-target species'' and ``non-target stocks'' are fish caught incidentally during the pursuit of target stocks in a fishery, including ``regulatory discards'' as defined under Magnuson-Stevens Act section 3(38). They may or may not be retained for sale or personal use. Non-target species may be included in a fishery and, if so, they should be identified at the stock level. Some non-target species may be identified in an FMP as ecosystem component (EC) species or stocks.

(5) ``Ecosystem component (EC) species'' are generally not retained for any purpose, although de minimis amounts might occasionally be retained. EC species may be identified at the species or stock level, and may be grouped into complexes. EC species may be included in an FMP or FMP amendment for any of the following reasons: For data collection purposes; for ecosystem considerations related to specification of OY for the associated fishery; as considerations in the development of conservation and management measures for the associated fishery; and/or to address other ecosystem issues. While EC species are not considered to be ``in the fishery,'' a Council should consider measures for the fishery to minimize bycatch and bycatch mortality of EC species consistent with National Standard 9, and to protect their associated role in the ecosystem. EC species do not require specification of reference points but should be monitored on a regular basis, to the extent practicable, to determine changes in their status or their vulnerability to the fishery. If necessary, they should be reclassified as ``in the fishery.''

(6) Reclassification. A Council should monitor the catch resulting from a fishery on a regular basis to determine if the stocks and species are appropriately classified in the FMP. If the criteria previously used to classify a stock or species is no longer valid, the

Council should reclassify it through an FMP amendment, which documents rationale for the decision.

(7) Stocks or species identified in more than one FMP. If a stock is identified in more than one fishery, Councils should choose which

FMP will be the primary FMP in which management objectives, SDC, and other reference points for the stock are established. In most cases, the primary

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FMP for a stock will be the one in which the stock is identified as a target stock. Other FMPs in which the stock is identified as part of a fishery should be consistent with the primary FMP.

(8) Stock complex. ``Stock complex'' means a group of stocks that are sufficiently similar in geographic distribution, life history, and vulnerabilities to the fishery such that the impact of management actions on the stocks is similar. Stocks may be grouped into complexes for various reasons, including where stocks in a multispecies fishery cannot be targeted independent of one another; where there is insufficient data to measure their status relative to SDC; or when it is not feasible for fishermen to distinguish individual stocks among their catch. The vulnerability of stocks to the fishery should be evaluated when determining if a particular stock complex should be established or reorganized, or if a particular stock should be included in a complex. Stock complexes may be comprised of: One or more indicator stocks, each of which has SDC and ACLs, and several other stocks; several stocks without an indicator stock, with SDC and an ACL for the complex as a whole; or one of more indicator stocks, each of which has SDC and management objectives, with an ACL for the complex as a whole (this situation might be applicable to some salmon species).

(9) Indicator stocks. An indicator stock is a stock that is used to help manage and evaluate stocks that are in a stock complex and do not have their own SDC. If an indicator stock is used to evaluate the status of a complex, it should be representative of the typical status of each stock within the complex, due to similarity in vulnerability.

If the stocks within a stock complex have a wide range of vulnerability, they should be reorganized into different stock complexes that have similar vulnerabilities; otherwise the indicator stock should be chosen to represent the more vulnerable stocks within the complex. In instances where an indicator stock is less vulnerable than other members of the complex, management measures need to be more conservative so that the more vulnerable members of the complex are not at risk from the fishery. More than one indicator stock can be selected to provide more information about the status of the complex. Although the indicator stock(s) are used to evaluate the status of the complex, individual stocks within complexes should be examined periodically using available quantitative or qualitative information to evaluate whether a stock has become overfished or may be subject to overfishing.

(e) Features of MSY, SDC, and OY that should be identified in FMPs for all stocks and stock complexes in the fishery--(1) MSY. Each FMP should include an estimate of MSY for the stocks and stock complexes in the fishery, as described in paragraph (d)(2) of this section).

(i) Definitions. (A) MSY is the largest long-term average catch or yield that can be taken from a stock or stock complex under prevailing ecological, environmental conditions and fishery technological characteristics (e.g., gear selectivity), and the distribution of catch among fleets.

(B) MSY fishing mortality rate (Fmsy) is the fishing mortality rate that, if applied over the long term, would result in MSY.

(C) MSY stock size (Bmsy) means the long-term average size of the stock or stock complex, measured in terms of spawning biomass or other appropriate measure of the stock's reproductive potential that would be achieved by fishing at Fmsy.

(ii) MSY for stocks. MSY should be estimated for each stock based on the best scientific information available (see Sec. 600.315).

(iii) MSY for stock complexes. MSY should be estimated on a stock- by-stock basis whenever possible. However, where MSY cannot be estimated for each stock in a stock complex, then MSY may be estimated for one or more indicator stocks for the complex or for the complex as a whole. When indicator stocks are used, the stock complex's MSY could be listed as ``unknown,'' while noting that the complex is managed on the basis of one or more indicator stocks that do have known, stock- specific MSYs or suitable proxies as described in paragraph (e)(1)(iv) of this section. When indicator stocks are not used, MSY or a suitable proxy should be calculated for the stock complex as a whole.

(iv) Specifying MSY. Because MSY is a long-term average, it need not be estimated annually, but it must be based on the best scientific information available (see Sec. 600.315), and should be re-estimated as required by changes in long-term environmental or ecological conditions, fishery technological characteristics, or new scientific information. When data are insufficient to estimate MSY directly,

Councils should adopt other measures of reproductive potential, based on the best scientific information available, that can serve as reasonable proxies for MSY, Fmsy, and Bmsy, to the extent possible. As MSY values are estimates and will have some level of uncertainty associated with them, the degree of uncertainty in the estimates should be identified, when possible, through the stock assessment process and peer review (see Sec. 600.335).

(2) Status determination criteria--(i) Definitions--(A) Status determination criteria (SDC) mean the quantifiable factors, MFMT, OFL, and MSST, or their proxies, that are used to determine if overfishing has occurred, or if the stock or stock complex is overfished. Magnuson-

Stevens Act (section 3(34)) defines both ``overfishing'' and

``overfished'' to mean a rate or level of fishing mortality that jeopardizes the capacity of a fishery to produce the MSY on a continuing basis. To avoid confusion, this section clarifies that

``overfished'' relates to biomass of a stock or stock complex, and

``overfishing'' pertains to a rate or level of removal of fish from a stock or stock complex.

(B) Overfishing (to overfish) occurs whenever a stock or stock complex is subjected to a level of fishing mortality or annual total catch that jeopardizes the capacity of a stock or stock complex to produce MSY on a continuing basis.

(C) Maximum fishing mortality threshold (MFMT) means the level of fishing mortality (F), on an annual basis, above which overfishing is occurring.

(D) Overfishing limit (OFL) means the annual amount of catch that corresponds to the estimate of MFMT applied to a stock or stock complex's abundance and is expressed in terms of numbers or weight of fish. MSY is the long-term average of such catches.

(E) Overfished. A stock or stock complex is considered

``overfished'' when its biomass has declined below a level that jeopardizes the capacity of the stock or stock complex to produce MSY on a continuing basis.

(F) Minimum stock size threshold (MSST) means the level of biomass below which the stock or stock complex is considered to be overfished.

(G) Approaching an overfished condition. A stock or stock complex is approaching an overfished condition when it is projected that there is more than a 50 percent chance that the biomass of the stock or stock complex will decline below the MSST within two years.

(ii) Specification of SDC and overfishing and overfished determinations. SDC must be expressed in a way that enables the Council to monitor each stock or stock complex in the FMP and determine annually, if possible, whether overfishing is occurring and whether the stock or stock complex is overfished. In

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specifying SDC, a Council should provide an analysis of how the SDC were chosen and how they relate to reproductive potential. Each FMP must specify, to the extent possible, objective and measurable SDC as follows (see paragraphs (e)(2)(ii)(A) and (B) of this section):

(A) SDC to determine overfishing status. Each FMP should describe which of the following two methods will be used for each stock or stock complex to determine an overfishing status.

(1) Fishing mortality rate exceeds MFMT. Exceeding the MFMT for a period of 1 year or more constitutes overfishing. The MFMT or reasonable proxy may be expressed either as a single number (a fishing mortality rate or F value), or as a function of spawning biomass or other measure of reproductive potential. The MFMT must not exceed

Fmsy.

(2) Catch exceeds the OFL. Should the annual catch exceed the annual OFL for 1 year or more, the stock or stock complex is considered subject to overfishing.

(B) SDC to determine overfished status. The MSST or reasonable proxy should be expressed in terms of spawning biomass or other measure of reproductive potential. To the extent possible, the MSST should equal whichever of the following is greater: One-half the MSY stock size, or the minimum stock size at which rebuilding to the MSY level would be expected to occur within 10 years if the stock or stock complex were exploited at the MFMT specified under paragraph

(e)(2)(ii)(A)(1) of this section. Should the estimated size of the stock or stock complex in a given year fall below this threshold, the stock or stock complex is considered overfished.

(iii) Relationship of SDC to environmental change. Some short-term environmental changes can alter the size of a stock or stock complex without affecting its long-term reproductive potential. Long-term environmental changes affect both the short-term size of the stock or stock complex and the long-term reproductive potential of the stock or stock complex.

(A) If environmental changes cause a stock or stock complex to fall below its MSST without affecting its long-term reproductive potential, fishing mortality must be constrained sufficiently to allow rebuilding within an acceptable time frame (also see paragraph (j)(3)(ii) of this section). SDC should not be respecified.

(B) If environmental changes affect the long-term reproductive potential of the stock or stock complex, one or more components of the

SDC must be respecified. Once SDC have been respecified, fishing mortality may or may not have to be reduced, depending on the status of the stock or stock complex with respect to the new criteria.

(C) If manmade environmental changes are partially responsible for a stock or stock complex being in an overfished condition, in addition to controlling fishing mortality, Councils should recommend restoration of habitat and other ameliorative programs, to the extent possible (see also the guidelines issued pursuant to section 305(b) of the Magnuson-

Stevens Act for Council actions concerning essential fish habitat).

(iv) Secretarial approval of SDC. Secretarial approval or disapproval of proposed SDC will be based on consideration of whether the proposal:

(A) Has sufficient scientific merit;

(B) Contains the elements described in paragraph (e)(2)(ii) of this section;

(C) Provides a basis for objective measurement of the status of the stock or stock complex against the criteria; and

(D) Is operationally feasible.

(3) Optimum yield--(i) Definitions--(A) Optimum yield (OY).

Magnuson-Stevens Act section 3(33) defines ``optimum,'' with respect to the yield from a fishery, as the amount of fish that will provide the greatest overall benefit to the Nation, particularly with respect to food production and recreational opportunities and taking into account the protection of marine ecosystems; that is prescribed on the basis of the MSY from the fishery, as reduced by any relevant economic, social, or ecological factor; and, in the case of an overfished fishery, that provides for rebuilding to a level consistent with producing the MSY in such fishery. OY may be established at the stock or stock complex level, or at the fishery level.

(B) In NS1, use of the phrase ``achieving, on a continuing basis, the optimum yield from each fishery'' means producing, from each stock, stock complex, or fishery: A long-term series of catches such that the average catch is equal to the OY, overfishing is prevented, the long term average biomass is near or above Bmsy, and overfished stocks and stock complexes are rebuilt consistent with timing and other requirements of section 304(e)(4) of the Magnuson-Stevens Act and paragraph (j) of this section.

(ii) General. OY is a long-term average amount of desired yield from a stock, stock complex, or fishery. The long-term objective is to achieve OY through annual achievement of ACT, which is described in paragraph (f) of this section. An FMP must contain conservation and management measures to achieve OY, and provisions for information collection that are designed to determine the degree to which OY is achieved on a continuing basis--that is, to result in a long-term average catch equal to the long-term average OY, through an effective system of ACLs, ACTs, and AMs. These measures should allow for practical and effective implementation and enforcement of the management regime. The Secretary has an obligation to implement and enforce the FMP. If management measures prove unenforceable--or too restrictive, or not rigorous enough to prevent overfishing while achieving OY--they should be modified; an alternative is to reexamine the adequacy of the OY specification. Exceeding OY does not necessarily constitute overfishing. However, even if no overfishing resulted from exceeding OY, continual harvest at a level above OY would violate NS1, because OY was not achieved on a continuing basis. An FMP must contain an assessment and specification of OY, including a summary of information utilized in making such specification, consistent with requirements of section 303(a)(3) of the Magnuson-Stevens Act. A

Council must identify those economic, social, and ecological factors relevant to management of a particular stock, stock complex, or fishery, then evaluate them to determine the OY. The choice of a particular OY must be carefully documented to show that the OY selected will produce the greatest benefit to the Nation and prevent overfishing.

(iii) Determining the greatest benefit to the Nation. In determining the greatest benefit to the Nation, the values that should be weighed and receive serious attention when considering the economic, social, or ecological factors used in reducing MSY to obtain OY are:

(A) The benefits of food production are derived from providing seafood to consumers; maintaining an economically viable fishery together with its attendant contributions to the national, regional, and local economies; and utilizing the capacity of the Nation's fishery resources to meet nutritional needs.

(B) The benefits of recreational opportunities reflect the quality of both the recreational fishing experience and non-consumptive fishery uses such as ecotourism, fish watching, and recreational diving.

Benefits also include the contribution of recreational fishing to the national, regional, and local economies and food supplies.

(C) The benefits of protection afforded to marine ecosystems are those resulting

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from maintaining viable populations (including those of unexploited species), maintaining adequate forage for all components of the ecosystem, maintaining evolutionary and ecological processes (e.g., disturbance regimes, hydrological processes, nutrient cycles), maintaining the evolutionary potential of species and ecosystems, and accommodating human use.

(iv) Factors to consider in OY specification. Because fisheries have limited capacities, any attempt to maximize the measures of benefits described in paragraph (e)(3)(iii) of this section will inevitably encounter practical constraints. OY cannot exceed MSY in any circumstance and must take into account the need to prevent overfishing and rebuild overfished stocks and stock complexes. OY can be reduced to a value less than MSY based on social, economic, and ecological factors. To the extent possible, the relevant social, economic, and ecological factors used to establish OY for a stock, stock complex, or fishery should be quantified and reviewed in historical, short-term, and long-term contexts. Even where quantification of these factors is not possible, the FMP still must address these factors in its OY specification.

(A) Social factors. Examples are enjoyment gained from recreational fishing, avoidance of gear conflicts and resulting disputes, preservation of a way of life for fishermen and their families, and dependence of local communities on a fishery (e.g., involvement in fisheries and ability to adapt to change). Consideration may be given to fishery-related indicators (e.g., number of fishery permits, number of commercial fishing vessels, number of party and charter trips, landings, ex-vessel revenues etc.) and non-fishery related indicators

(e.g., unemployment rates, percent of population below the poverty level, population density, etc.). Other factors that may be considered include the effects that past harvest levels have had on fishing communities, the cultural place of subsistence fishing, obligations under Indian treaties, proportions of affected minority and low-income groups, and worldwide nutritional needs.

(B) Economic factors. Examples are prudent consideration of the risk of overharvesting when a stock's size or reproductive potential is uncertain (see Sec. 600.335(c)(2)(i)), satisfaction of consumer and recreational needs, and encouragement of domestic and export markets for U.S. harvested fish. Other factors that may be considered include the value of fisheries, the level of capitalization, the decrease in cost per unit of catch afforded by an increase in stock size, the attendant increase in catch per unit of effort, alternate employment opportunities, and economic contribution to fishing communities, coastal areas, affected states, and the nation.

(C) Ecological factors. Examples include impacts on ecosystem component species, forage fish stocks, other fisheries, predator-prey or competitive interactions, marine mammals, threatened or endangered species, and birds. Species interactions that have not been explicitly taken into account when calculating MSY should be considered as relevant factors for setting OY below MSY. In addition, consideration should be given to managing forage stocks for higher biomass than

Bmsyto enhance and protect the marine ecosystem. Also important are ecological or environmental conditions that stress marine organisms, such as natural and manmade changes in wetlands or nursery grounds, and effects of pollutants on habitat and stocks.

(v) Specification of OY. The specification of OY must be consistent with preventing overfishing and should be reduced from MSY to account for scientific uncertainty in calculating MSY, and economic, social, and ecological factors such as those described in paragraph (e)(3)(iv) of this section. If the estimates of MFMT and current biomass are known with a high level of certainty and management controls can accurately limit catch to the ACT then OY could be set very close to MSY. To the degree that such MSY estimates and management controls are lacking or unavailable, OY should be set farther from MSY. In order to achieve OY in the long term, catch targets (i.e., ACT) should be set below catch limits (i.e., ACLs) based on the degree of management control so that average catch (or average ACT) approximates OY (see paragraph (f)(6) of this section). If management measures cannot adequately control fishing mortality so that the specified OY can be achieved without overfishing, the Council should reevaluate the management measures and specification of OY so that the dual requirements of NS1 (preventing overfishing while achieving, on a continuing basis, OY) are met.

(A) The amount of fish that constitutes the OY should be expressed in terms of numbers or weight of fish. As a long-term average, OY cannot exceed MSY.

(B) Either a range or a single value may be specified for OY.

Specification of a numerical, fixed-value OY does not preclude use of

ACTs that vary with stock size or management precision. For example, an

ACT control rule (described in paragraph (f)(6) of this section) might prescribe a smaller ACT if there is less management precision.

(C) All catch must be counted against OY, including that resulting from bycatch, scientific research, and all fishing activities.

(D) The OY specification should be translatable into an annual numerical estimate for the purposes of establishing any total allowable level of foreign fishing (TALFF) and analyzing impacts of the management regime.

(E) The determination of OY is based on MSY, directly or through proxy. However, even where sufficient scientific data as to the biological characteristics of the stock do not exist, or where the period of exploitation or investigation has not been long enough for adequate understanding of stock dynamics, or where frequent large-scale fluctuations in stock size diminish the meaningfulness of the MSY concept, OY must still be established based on the best scientific information available.

(F) An OY established at a fishery level may not exceed the sum of the MSY values for each of the stocks or stock complexes within the fishery. If OY is specified at a fishery level, the sum of the ACTs for the stocks and stock complexes in the fishery should approximate OY.

(G) There should be a mechanism in the FMP for periodic reassessment of the OY specification, so that it is responsive to changing circumstances in the fishery.

(H) Part of the OY may be held as a reserve to allow for factors such as uncertainties in estimates of stock size and domestic annual harvest (DAH). If an OY reserve is established, an adequate mechanism should be included in the FMP to permit timely release of the reserve to domestic or foreign fishermen, if necessary.

(vi) OY and foreign fishing. Section 201(d) of the Magnuson-Stevens

Act provides that fishing by foreign nations is limited to that portion of the OY that will not be harvested by vessels of the United States.

The FMP must include an assessment to address the following, as required by section 303(a)(4) of the Magnuson-Stevens Act:

(A) DAH. Councils and/or the Secretary must consider the capacity of, and the extent to which, U.S. vessels will harvest the OY on an annual basis. Estimating the amount that U.S. fishing vessels will actually harvest is required to determine the surplus.

(B) Domestic annual processing (DAP). Each FMP must assess the capacity of U.S. processors. It must also

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assess the amount of DAP, which is the sum of two estimates: The estimated amount of U.S. harvest that domestic processors will process, which may be based on historical performance or on surveys of the expressed intention of manufacturers to process, supported by evidence of contracts, plant expansion, or other relevant information; and the estimated amount of fish that will be harvested by domestic vessels, but not processed (e.g., marketed as fresh whole fish, used for private consumption, or used for bait).

(C) Joint venture processing (JVP). When DAH exceeds DAP, the surplus is available for JVP.

(f) Acceptable biological catch, annual catch limits, and annual catch targets. The following features (see paragraphs (f)(1) through

(f)(7) of this section) of acceptable biological catch, annual catch limits, and annual catch targets apply to stocks and stock complexes in the fishery (see paragraph (d)(2) of this section).

(1) Introduction. A control rule is a policy for establishing a limit or target fishing level that is based on the best available scientific information and is established by fishery managers in consultation with fisheries scientists. Control rules should be designed so that management actions become more conservative as biomass estimates, or other proxies, for a stock or stock complex decline and as science and management uncertainty increases. Paragraph (f) of this section describes a three-step approach for setting limits and targets so as to ensure a low risk of overfishing while achieving, on a continuing basis, OY: First, ABC is set below the OFL to account for scientific uncertainty in calculating the OFL; second, ACL is set at an amount not to exceed the ABC; and third, ACT is set at an amount not to exceed the ACL to account for management uncertainty in controlling a fishery's actual catch.

(2) Definitions. (i) Catch is the total quantity of fish, measured in weight or numbers of fish, taken in commercial, recreational, subsistence, tribal, and other fisheries. Catch includes fish that are retained for any purpose, as well as mortality of fish that are discarded.

(ii) Acceptable biological catch (ABC) is a level of a stock or stock complex's annual catch that accounts for the scientific uncertainty in the estimate of OFL and should be specified based on the

ABC control rule.

(iii) ABC control rule means a specified approach to setting the

ABC for a stock or stock complex as a function of the scientific uncertainty in the estimate of OFL.

(iv) Annual catch limit (ACL) is the level of annual catch of a stock or stock complex that serves as the basis for invoking AMs. ACL cannot exceed the ABC, but may be divided into sector-ACLs (see paragraph (f)(5) of this section).

(v) Annual catch target (ACT) is an amount of annual catch of a stock or stock complex that is the management target of the fishery. A stock or stock complex's ACT should usually be less than its ACL and results from the application of the ACT control rule. If sector-ACLs have been established, each one should have a sector-ACT.

(vi) ACT control rule means a specified approach to setting the ACT for each stock or stock complex such that the risk of exceeding the ACL due to management uncertainty is at an acceptably low level.

(3) Specification of ABC. ABC may not exceed OFL (see paragraph

(e)(2)(i)(D) of this section) and is recommended to be reduced from OFL to account for scientific uncertainty in the estimate of OFL. Councils should develop a process for receiving scientific information and advice used to establish ABC. This process should: Establish an ABC control rule, identify the body that will apply the ABC control rule

(i.e., calculates the ABC), identify the review process that will verify the resulting ABC, and confirm that the SSC recommends the ABC to the Council. For Secretarial FMPs or FMP amendments, agency scientists or a peer review process would provide the scientific advice to establish ABC. For internationally-assessed stocks, an ABC as defined in these guidelines is not required.

(i) Expression of ABC. ABC should be expressed in terms of catch, but may be expressed in terms of landings as long as estimates of bycatch and any other fishing mortality not accounted for in the landings are incorporated into the determination of ABC.

(ii) ABC for overfished stocks. For overfished stocks and stock complexes, a rebuilding ABC must be set to reflect the annual catch that is consistent with the target fishing mortality rates in the rebuilding plan.

(4) ABC control rule. For stocks and stock complexes required to have an ABC, each Council should establish an ABC control rule based on scientific advice from its SSC. The process of establishing an ABC control rule could also involve science advisors or the peer review process established under Magnuson-Stevens Act section 302(g)(1)(E).

The ABC control rule should clearly articulate how far below the OFL, or OFL proxy, the ABC will be set based on the level of scientific knowledge about the stock or stock complex and the scientific uncertainty in the estimate of OFL. The ABC control rule should take into account uncertainty in factors such as stock assessment results, time lags in updating assessments, the degree of retrospective revision of assessment results, and projections. The control rule may be used in a tiered approach to address different levels of scientific uncertainty.

(5) Setting the annual catch limit--(i) General. ACL cannot exceed the ABC and may be set annually or on a multiyear plan basis. A

``multiyear plan'' as referenced in section 303(a)(15) of the Magnuson-

Stevens Act is a plan that establishes harvest specifications or harvest guidelines for each year of a time period greater than 1 year.

A multiyear plan should include ACLs and ACTs for each year with appropriate AMs to prevent overfishing and maintain an appropriate rate of rebuilding if the stock or stock complex is in a rebuilding plan.

The AMs specified for a multiyear plan should provide that, if an ACL is exceeded for a year, then a subsequent year's harvest specification

(including ACLs and ACTs) could be revised.

(ii) Sector ACLs. A Council may, but is not required to, divide an

ACL into sector-ACLs. ``Sector,'' for purposes of this section, means a distinct user group to which separate management strategies and separate catch quotas apply. Examples of sectors include the commercial sector, recreational sector, or various gear groups within a fishery.

Sector-AMs must be developed for each sector-ACL, and the sum of sector

ACLs must not exceed the stock or stock complex level ACL. The system of ACLs and AMs designed must be effective and equitable and protect the stock or stock complex as a whole. If sector-ACLs and AMs are established, additional AMs at the stock or stock complex level would also be appropriate.

(iii) ACLs for State-Federal Fisheries. For stocks or stock complexes that have a large majority of harvest in state or territorial waters, FMPs and FMP amendments should include an ACL for the overall stock that may be further divided. For example, the overall ACL could be divided into a federal-ACL and state-ACL. However, NMFS recognizes that federal management would be limited to the portion of the fishery under federal authority (see paragraph (g)(5) of this section). When stocks are co-managed by federal, state, tribal, and/or territorial fishery managers, the goal should be to develop collaborative conservation and management

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strategies, and scientific capacity to support such strategies, to prevent overfishing of shared stocks and ensure their sustainability.

(6) ACT control rule. For stocks and stock complexes required to have an ACL, each Council should establish ACT control rules for setting the ACTs. The ACT control rule should clearly articulate how far below the ACL the target will be established based on the amount of management uncertainty associated with harvest of a stock or stock complex. For example, the ACT may need to be set further below the ACL in fisheries where inseason monitoring of catch data is unavailable or infeasible, or where AMs are established using a multi-year averaging approach (see paragraph (g)(4) of this section).

(i) Determining management uncertainty. Two sources of management uncertainty should be accounted for in establishing the ACT control rule: Uncertainty in the ability of managers to constrain catch to the

ACT and uncertainty in quantifying the true catch amounts (i.e., estimation errors). To determine the level of management uncertainty in controlling catch, analyses should consider past management performance in the fishery and factors such as time lags in reported catch. Such analyses should be based on the best available scientific information from an SSC, agency scientists, or peer review process as appropriate.

(ii) Establishing tiers and corresponding ACT control rules. Tiers can be established based on levels of management uncertainty associated with the fishery, frequency and accuracy of catch monitoring data available, and risks of exceeding the limit. An ACT control rule could be established for each tier and have, as appropriate, different formulas and standards used to establish the ACT.

(7) Relationships of OFL to MSY and ACT to OY. The following (see paragraphs (f)(7)(i) and (ii) of this section) describes the relationships between terms used in ending and preventing overfishing and rebuilding overfished stocks and stock complexes.

(i) Relationship of OFL to MSY. OFL is the amount of catch for a particular year that corresponds to the estimate of MFMT applied to a stock or stock complex's abundance, and MSY is the long-term average of such catches. ABC is recommended to be set below OFL to take into account the scientific uncertainty in the estimate of OFL.

(ii) Relationship of ACT to OY. Paragraphs (a) and (e)(3) of this section define and describe OY and the goal of preventing overfishing, while achieving on a continuing basis the OY from each stock, stock complex, or fishery. Management measures for a fishery should, on an annual basis, achieve the ACTs and prevent the ACLs from being exceeded. The long-term objective is to achieve OY through annual achievement of ACT.

(g) Accountability measures. The following features (see paragraphs

(g)(1) through (5) of this section) of accountability measures apply to those stocks and stock complexes in the fishery.

(1) Introduction. AMs are management controls that prevent ACLs or sector-ACLs from being exceeded (inseason AMs), where possible, and correct or mitigate overages if they occur. AMs should address and minimize both the frequency and magnitude of overages and correct the problems that caused the overage in as short a time as possible.

(2) Inseason AMs. Whenever possible, FMPs should include inseason monitoring and management measures to prevent catch from exceeding

ACLs. Inseason AMs could include, but are not limited to, closure of a fishery; closure of specific areas; changes in gear; changes in trip size or bag limits; reductions in effort; or other appropriate management controls for the fishery. If final data or data components of catch are delayed, Councils should make appropriate use of preliminary data, such as landed catch, in implementing inseason AMs.

Where timely catch data are available for a stock, FMPs should include inseason closure authority to close the fishery on or before the date when the ACL for a stock or stock complex is projected to be reached.

(3) AMs for when the ACL is exceeded. On an annual basis, the

Council should determine as soon as possible after the fishing year if an ACL was exceeded. If an ACL was exceeded, AMs should be triggered and implemented as soon as possible to correct the operational issue that caused the ACL overage, as well as any biological consequences to the stock or stock complex resulting from the overage when it is known.

These AMs could include, among other things, modifications of inseason

AMs or overage adjustments. For stocks and stock complexes in rebuilding plans, the AMs should include overage adjustments that reduce the ACLs in the next fishing year by the full amount of the overages, unless the best scientific information available shows that a reduced overage adjustment, or no adjustment is needed to mitigate the effects of the overages. If catch exceeds the ACL more than once in the last four years, the system of ACLs, ACTs and AMs should be re- evaluated to improve its performance and effectiveness.

(4) AMs based on multi-year average data. Some fisheries have highly variable annual catches and lack reliable inseason or annual data on which to base AMs. If there are insufficient data upon which to compare catch to ACL, either inseason or on an annual basis, AMs could be based on comparisons of average catch to average ACL over a three- year moving average period or, if supported by analysis, some other appropriate multi-year period. Evaluation of the moving average catch to the average ACL must be conducted annually. If the average catch exceeds the average ACL more than once in the last four years, then the

ACL, ACT and AM system should be re-evaluated. The initial ACL and management measures should incorporate information from previous years so that AMs based on average ACLs can be applied from the first year.

(5) AMs for State-Federal Fisheries. For stocks or stock complexes that have a large majority of harvest in state or territorial waters,

AMs should be developed for the portion of the fishery under federal authority and could include closing the EEZ when the federal portion of the ACL is reached, or the overall stock's ACL is reached, or other measures.

(h) Establishing ACL and AM mechanisms in FMPs. FMPs or FMP amendments should establish ACL and AM mechanisms for all stocks and stock complexes in the fishery, unless paragraph (h)(2) of this section is applicable. If a complex has multiple indicator stocks, each indicator stock must have its own ACL; an additional ACL for the stock complex as a whole is optional. In cases where fisheries harvest multiple indicator stocks of a single species that cannot be distinguished at the time of capture, separate ACLs for the indicator stocks are not required and the ACL can be established for the complex as a whole.

(1) In establishing ACL and AM mechanisms, FMPs should describe:

(i) Timeframes for setting ACLs (e.g., annually or multi-year periods);

(ii) Sector-ACLs, if any (including set-asides for research or bycatch);

(iii) AMs and their relationship to ABC and ACT control rules, including how AMs are triggered and what sources of data will be used

(e.g., inseason data, annual catch compared to the ACL, or multi-year averaging approach);

(iv) Sector-AMs, if there are sector-ACLs; and

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(v) Fisheries data described in paragraph (i) of this section.

(2) Exceptions from ACL and AM requirements--(i) Life cycle.

Section 303(a)(15) of the Magnuson-Stevens Act ``shall not apply to a fishery for species that has a life cycle of approximately 1 year unless the Secretary has determined the fishery is subject to overfishing of that species' (as described in Magnuson-Stevens Act section 303 note). This exception applies to a stock for which the average length of time it takes for an individual to produce a reproductively active offspring is approximately 1 year and that the individual has only one breeding season in its life time. While exempt from the ACL and AM requirements, FMPs or FMP amendments for these stocks should have SDC, MSY, OY, ABC, and an ABC control rule.

(ii) International fishery agreements. Section 303(a)(15) of the

Magnuson-Stevens Act applies ``unless otherwise provided for under an international agreement in which the United States participates''

(Magnuson-Stevens Act section 303 note). This exception applies to stocks or stock complexes subject to management under an international agreement, which is defined as ``any bilateral or multilateral treaty, convention, or agreement which relates to fishing and to which the

United States is a party'' (see Magnuson-Stevens Act section 3(24)).

These stocks would still need to have SDC and MSY.

(3) Flexibility in application of NS1 guidelines. There are limited circumstances that may not fit the standard approaches to specification of reference points and management measures set forth in these guidelines. These include, among other things, conservation and management of ESA-listed species, harvests from aquaculture operations, and stocks with unusual life history characteristics (e.g., Pacific salmon, where the spawning potential for a stock is spread over a multi-year period). In these circumstances, Councils may propose alternative approaches for satisfying the NS1 requirements of the

Magnuson-Stevens Act than those set forth in these guidelines. Councils should document their rationale for any alternative approaches for these limited circumstances in an FMP or FMP amendment, which will be reviewed for consistency with the Magnuson-Stevens Act.

(i) Fisheries data. In their FMPs, Councils should describe general data collection methods, as well as any specific data collection methods used for all stocks, stock complexes, and ecosystem component species. FMPs should:

(1) List sources of fishing mortality (both landed and discarded), including commercial and recreational catch and bycatch in other fisheries;

(2) Describe the data collection and estimation methods used to quantify total catch mortality in each fishery, including information on the management tools used (i.e., logbooks, vessel monitoring systems, observer programs, landings reports, fish tickets, processor reports, dealer reports, recreational angler surveys, or other methods); the frequency with which data are collected and updated; and the scope of sampling coverage for each fishery; and

(3) Describe the methods used to compile catch data from various catch data collection methods and how those data are used to determine the relationship between total catch at a given point in time and the

ACL for stocks and stock complexes that are part of a fishery.

(j) Council actions to address overfishing and rebuilding for stocks and stock complexes in the fishery--(1) Notification. The

Secretary will immediately notify a Council whenever it is determined that:

(i) Overfishing is occurring;

(ii) A stock or stock complex is overfished;

(iii) A stock or stock complex is approaching an overfished condition; or

(iv) Existing remedial action taken for the purpose of ending previously identified overfishing or rebuilding a previously identified overfished stock or stock complex has not resulted in adequate progress.

(2) Timing of actions--(i) If a stock or stock complex is undergoing overfishing. FMPs or FMP amendments should establish ACL and

AM mechanisms in 2010, for stocks and stock complexes determined to be subject to overfishing, and in 2011, for all other stocks and stock complexes (see paragraph (b)(2)(iii) of this section). To address practical implementation aspects of the FMP and FMP amendment process, paragraphs (j)(2)(i)(A) through (C) of this section clarifies the expected timing of actions.

(A) In addition to establishing ACL and AM mechanisms, the ACLs and

AMs themselves should be specified in FMPs, FMP amendments, implementing regulations, or annual specifications beginning in 2010 or 2011, as appropriate.

(B) For stocks and stock complexes still determined to be subject to overfishing at the end of 2008, ACL and AM mechanisms and the ACLs and AMs themselves should be effective in fishing year 2010.

(C) For stocks and stock complexes determined to be subject to overfishing during 2009, ACL and AM mechanisms and ACLs and AMs themselves should be effective in fishing year 2010, if possible, or in fishing year 2011, at the latest.

(ii) If a stock or stock complex is overfished or approaching an overfished condition. (A) For notifications that a stock or stock complex is overfished or approaching an overfished condition made before July 12, 2009, a Council must prepare an FMP, FMP amendment, or proposed regulations within one year of notification. If the stock or stock complex is overfished, the purpose of the action is to specify a time period for ending overfishing and rebuilding the stock or stock complex that will be as short as possible as described under section 304(e) of the Magnuson-Stevens Act. If the stock or stock complex is approaching an overfished condition, the purpose of the action is to prevent the biomass from declining below the MSST.

(B) For notifications that a stock or stock complex is overfished made after July 12, 2009, a Council must prepare an FMP, FMP amendment, or proposed regulations within two years of notification. Council actions should be submitted for Secretarial review within 15 months of notification to ensure sufficient time for the Secretary to implement the measures, if approved. If the stock or stock complex is overfished and overfishing is occurring, the rebuilding plan must end overfishing immediately and be consistent with ACL and AM requirements of the

Magnsuon-Stevens Act.

(C) For notifications that a stock or stock complex is approaching an overfished condition made after July 12, 2009, a Council should take immediate action to reduce the likelihood that the stock or stock complex will become overfished. Otherwise, the stock or stock complex would likely be overfished by the time the two-year timeline to implement management measures expired.

(3) Overfished fishery. (i) Where a stock or stock complex is overfished, a Council must specify a time period for rebuilding the stock or stock complex based on factors specified in Magnuson-Stevens

Act section 304(e)(4). This target time for rebuilding

(Ttarget) shall be as short as possible, taking into account: The status and biology of any overfished stock, the needs of fishing communities, recommendations by international organizations in which the U.S. participates, and interaction of the

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stock within the marine ecosystem. In addition, the time period shall not exceed 10 years, except where biology of the stock, other environmental conditions, or management measures under an international agreement to which the U.S. participates dictate otherwise. SSCs (or agency scientists or peer review processes in the case of Secretarial actions) shall provide recommendations for achieving rebuilding targets

(see Magnuson-Stevens Act section 302(g)(1)(B)). The above factors enter into the specification of Ttargetas follows:

(A) The ``minimum time for rebuilding a stock'' (Tmin) means the amount of time the stock or stock complex is expected to take to rebuild to its MSY biomass level in the absence of any fishing mortality. In this context, the term ``expected'' means to have at least a 50-percent probability of attaining the Bmsy.

(B) For scenarios under paragraph (j)(2)(ii)(A) of this section, the starting year for the Tmincalculation is the first year that a rebuilding plan is implemented. For scenarios under paragraph

(j)(2)(ii)(B) of this section, the starting year for the

Tmincalculation is 2 years after notification that a stock or stock complex is overfished or the first year that a rebuilding plan is implemented, whichever is sooner.

(C) If Tminfor the stock or stock complex is 10 years or less, then the maximum time allowable for rebuilding

(Tmax) that stock to its Bmsyis 10 years.

(D) If Tminfor the stock or stock complex exceeds 10 years, then the maximum time allowable for rebuilding a stock or stock complex to its Bmsyis Tminplus the length of time associated with one generation time for that stock or stock complex. ``Generation time'' is the average length of time between when an individual is born and the birth of its offspring.

(E) Ttargetshall not exceed Tmax, should generally be less than Tmax, and should be calculated based on the factors described in this paragraph (j)(3) with a priority given to rebuilding in as short a time as possible.

(ii) If a stock or stock complex reached the end of its rebuilding plan period and has not yet been determined to be rebuilt, then the rebuilding F should not be increased until the stock or stock complex has been demonstrated to be rebuilt. If the rebuilding plan was based on a Ttargetthat was less than Tmax, and the stock or stock complex is not rebuilt by Ttarget, rebuilding measures should be revised, if necessary, such that the stock or stock complex will be rebuilt by Tmax. If the stock or stock complex has not rebuilt by Tmax, and the rebuilding F is greater than 75 percent of MFMT, then the rebuilding F should be reduced to no more than 75 percent of MFMT until the stock or stock complex has been demonstrated to be rebuilt.

(iii) Council action addressing an overfished fishery must allocate both overfishing restrictions and recovery benefits fairly and equitably among sectors of the fishery.

(iv) For fisheries managed under an international agreement,

Council action addressing an overfished fishery must reflect traditional participation in the fishery, relative to other nations, by fishermen of the United States.

(4) Emergency actions and interim measures. The Secretary, on his/ her own initiative or in response to a Council request, may implement interim measures to reduce overfishing or promulgate regulations to address an emergency (Magnuson-Stevens Act section 304(e)(6) or 305(c)). In considering a Council request for action, the Secretary would consider, among other things, the need for and urgency of the action and public interest considerations, such as benefits to the stock or stock complex and impacts on participants in the fishery.

(i) These measures may remain in effect for not more than 180 days, but may be extended for an additional 186 days if the public has had an opportunity to comment on the measures and, in the case of Council- recommended measures, the Council is actively preparing an FMP, FMP amendment, or proposed regulations to address the emergency or overfishing on a permanent basis.

(ii) Often, these measures need to be implemented without prior notice and an opportunity for public comment, as it would be impracticable to provide for such processes given the need to act quickly and also contrary to the public interest to delay action.

However, emergency regulations and interim measures that do not qualify for waivers or exceptions under the Administrative Procedure Act would need to follow proposed notice and comment rulemaking procedures.

(k) International overfishing. If the Secretary determines that a fishery is overfished or approaching a condition of being overfished due to excessive international fishing pressure, and for which there are no management measures (or no effective measures) to end overfishing under an international agreement to which the United States is a party, then the Secretary and/or the appropriate Council shall take certain actions as provided under Magnuson-Stevens Act section 304(i). The Secretary, in cooperation with the Secretary of State, should immediately take appropriate action at the international level to end the overfishing. In addition, within one year after the determination, the Secretary and/or appropriate Council shall:

(1) Develop recommendations for domestic regulations to address the relative impact of the U.S. fishing vessels on the stock. Council recommendations should be submitted to the Secretary.

(2) Develop and submit recommendations to the Secretary of State, and to the Congress, for international actions that will end overfishing in the fishery and rebuild the affected stocks, taking into account the relative impact of vessels of other nations and vessels of the United States on the relevant stock. Councils should, in consultation with the Secretary, develop recommendations that take into consideration relevant provisions of the Magnuson-Stevens Act and NS1 guidelines, including section 304(e) of the Magnuson-Stevens Act and paragraph (j)(3)(iv) of this section, and other applicable laws. For highly migratory species in the Pacific, recommendations from the

Western Pacific, North Pacific, or Pacific Councils must be developed and submitted consistent with Magnuson-Stevens Reauthorization Act section 503(f), as appropriate.

(3) Considerations for assessing ``relative impact.'' ``Relative impact'' under paragraphs (k)(1) and (2) of this section may include consideration of factors that include, but are not limited to: Domestic and international management measures already in place, management history of a given nation, estimates of a nation's landings or catch

(including bycatch) in a given fishery, and estimates of a nation's mortality contributions in a given fishery. Information used to determine relative impact should be based upon the best available scientific information.

(l) Relationship of National Standard 1 to other national standards--(1) National Standard 2 (see Sec. 600.315). Management measures and reference points to implement NS1 must be based on the best scientific information available. When data are insufficient to estimate reference points directly, Councils should develop reasonable proxies to the extent possible (also see paragraph (e)(1)(iv) of this section). In cases where scientific data are severely limited, effort should also be directed to identifying and gathering the needed data.

SSCs should advise their Councils regarding the best scientific information

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available for fishery management decisions.

(2) National Standard 3 (see Sec. 600.320). Reference points should generally be specified in terms of the level of stock aggregation for which the best scientific information is available

(also see paragraph (e)(1)(iii) of this section). Also, scientific assessments should be based on the best information about the total range of the stock and potential biological structuring of the stock into biological sub-units, which may differ from the geographic units on which management is feasible.

(3) National Standard 6 (see Sec. 600.335). Councils must build into the reference points and control rules appropriate consideration of risk, taking into account uncertainties in estimating harvest, stock conditions, life history parameters, or the effects of environmental factors.

(4) National Standard 8 (see Sec. 600.345). Councils must take into account the importance of fishery resources to fishing communities when specifying OY and an ACT control rule. Also, see paragraph

(e)(3)(iv)(A) of this section for more information on how factors that relate to fishing communities should be considered when reducing OY from MSY.

(5) National Standard 9 (see Sec. 600.350). Evaluation of stock status with respect to reference points must take into account mortality caused by bycatch. In addition, the estimation of catch should include the mortality of fish that are discarded.

(m) Exceptions to requirements to prevent overfishing. Exceptions to the requirement to prevent overfishing could apply under certain limited circumstances. Harvesting one stock at its optimum level may result in overfishing of another stock when the two stocks tend to be caught together (This can occur when the two stocks are part of the same fishery or if one is bycatch in the other's fishery). Before a

Council may decide to allow this type of overfishing, an analysis must be performed and the analysis must contain a justification in terms of overall benefits, including a comparison of benefits under alternative management measures, and an analysis of the risk of any stock or stock complex falling below its MSST. The Council may decide to allow this type of overfishing if the analysis demonstrates that all of the following conditions are satisfied:

(1) Such action will result in long-term net benefits to the

Nation;

(2) Mitigating measures have been considered and it has been demonstrated that a similar level of long-term net benefits cannot be achieved by modifying fleet behavior, gear selection/configuration, or other technical characteristic in a manner such that no overfishing would occur; and

(3) The resulting rate of fishing mortality will not cause any stock or stock complex to fall below its MSST more than 50 percent of the time in the long term, although it is recognized that persistent overfishing is expected to cause the affected stock to fall below its

Bmsy more than 50 percent of the time in the long term.

FR Doc. 08-1328 Filed 6-4-08; 9:34am

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Founded over 20 years ago, vLex provides a first-class and comprehensive service for lawyers, law firms, government departments, and law schools around the world.

Magnuson-Stevenson Act Provisions: Annual Catch Limits; National Standard Guidelines

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Why Sign-up to vLex?

Over 100 Countries

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Over 2 million registered users

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