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Status of Stocks and  Multispecies Assessments

Yield and biomass status for groundfish

2013 Stock Assessments for 2014 Fishery Recommendations

Members of the Alaska Fisheries Science Center's (AFSC) Stock Assessment and Multispecies Assessments Program are responsible for determining the condition of fisheries resources in the U.S. Exclusive Economic Zone using data collected by other AFSC scientists and developing strategies for managing those resources. Their research focuses on updating information on population dynamic trends, estimation of biological yields, and management strategies (as presented in annual assessments).  Members of our staff have contributed to the development of the National Standard Guidelines.

 In late 2000 the Resource Ecology and Fisheries Management (REFM) division formed the Fishery Interaction Team (FIT).  The primary responsibility of the team is to investigate interactions between fisheries and endangered Steller sea lions (SSL). 

Recent Publications, Poster Presentations, Reports & Activities

  • A novel approach for estimating location and scale specific fishing exploitation rates of eastern Bering Sea walleye pollock (Theragra chalcogramma).
    BARBEAUX, S. J., J. K. HORNE, and J. N. IANELLI. 2014. A novel approach for estimating location and scale specific fishing exploitation rates of eastern Bering Sea walleye pollock (Theragra chalcogramma). Fish. Res. 153:69-82. 
     
  • Modeled connectivity between northern rock sole (Lepidopsetta polyxystra) spawning and nursery areas in the eastern Bering Sea.
    COOPER, D. W., J. T. DUFFY-ANDERSON, W. T. STOCKHAUSEN, and W. CHENG. 2013. Modeled connectivity between northern rock sole (Lepidopsetta polyxystra) spawning and nursery areas in the eastern Bering Sea. J. Sea Res. 84:2-12. 
     
  • Designing and Implementing Annual Catch Limits for North Pacific Groundfish and Crab Stocks
    By:  PAT LIVINGSTON, GRANT THOMPSON, JACK TURNOCK, KERIM AYDIN, LIZ CONNERS, PAUL SPENCER, OLAV ORMSETH
    Conference:  Managing Our Nation's Fisheries 3 Conference, Washington, D.C., May 2013
    (2013 poster, .pdf, 2.21 MB)   Online.

     
  • Observer-Assessed Reproductive Maturity Use in Ecosystem Based Fisheries Management
    By:  SANDI NEIDETCHER
    Conference:  International Fisheries Observer & Monitoring Conference (7th), Viņa del Mar, Chile, April 2013
    (2013 poster, .pdf, 1.71 MB)   Online.

     
  • AFSC Researchers Support 2014 Biological Opinion

  • Big Water, Little Boat: The 2013 GOAIERP Inshore Surveys

  • 2013 Groundfish Stock Assessment Summaries

  • Ecosystem Modeling for Fishery Sustainability: A Case Study for the Gulf of Alaska
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See the publications and poster databases for additional listings.

 

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