CRD 07-10

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Northeast Fisheries Science Center Reference Document 07-10

44th Northeast Regional Stock Assessment Workshop (44th SAW) Assessment Report
Northeast Fisheries Science Center
National Marine Fisheries Serv., Woods Hole Lab., 166 Water St., Woods Hole, MA 02543
Web version posted May 25, 2007
Citation: 44th Northeast Regional Stock Assessment Workshop (44th SAW): 44th SAW assessment report. US Dep Commer, Northeast Fish Sci Cent Ref Doc 07-10; 661 p.

Information Quality Act Compliance: In accordance with section 515 of Public Law 106-554, the Northeast Fisheries Science Center completed both technical and policy reviews for this report. These predissemination reviews are on file at the NEFSC Editorial Office.

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The stock assessments which are the subject of this document were peer reviewed by a panel of assessment experts known as the Stock Assessment Review Committee (SARC). Panelists were provided by the Center for Independent Experts (CIE), University of Miami. Reports from the SARC panelists and a summary report from the SARC Chairman can be found at http://www.nefsc.noaa.gov/nefsc/saw.

Introduction (p. 1-13)

A. Assessment of Ocean Quahogs (p. 14-284)

Text (p. 14-63)

Tables (p.64-99)

Figures (p. 100-164)

Appendix A1. Survey sensor package data from the 2005 NEFSC clam survey (p.164-169)

Appendix A2. Clam survey tows with poor performance (p. 170-174)

Appendix A3. Original and smoothed position data (p. 175-197)

Appendix A4. Goodness of fit and likelihood profile plots for ocean quahog depletion experiments (p. 198-216)

Appendix A5. Technical description of the KLAMZ stock assessment model (p. 217-240)

Appendix A6. Location and size of northern ocean quahog survey catches (p. 241- 244)

Appendix A7. Location and size of Mid-Atlantic ocean quahog catches (p. 245-248)

Appendix A8. Stock assessment for ocean quahog in Maine waters (p. 249-284)

B. Assessment of Northeast Skate Species Complex (p. 285-547)

Text (p.285-317)

Tables (p. 318-352)

Figures (p. 353-547):

TOR 1. Characterize the commercial and recreational catch including landings and discards

TOR 2. Estimate fishing mortality, spawning stock biomass, and total stock biomass for the current year and characterize the uncertainty of those estimates

TOR 3. Either update or redefine biological reference points, as appropriate

TOR 4. Evaluate current stock status with respect to the existing BRPs, as well as with respect to updated or redefined BRPs

TOR 6. Examine the NEFSC Food Habits Database to estimate diet composition and annual consumptive demand for seven species of skates for as many years as feasible

C. Assessment of Atlantic Surclam (p. 548-661)

Text (p. 548-574)

Tables (p. 575-596)

Figures (p. 597-653)

Appendix C1. Invertebrate Subcommittee (p. 654)

Appendix C2. Analyses of tows with poor dredge performance (p. 655-657)

Appendix C3. Comparison of surfclam and ocean quahog catches (p. 658-661)