Overview of NMFS AFSC Field Activities Alaska Fisheries Science Center 7600 Sand Point Way NE Seattle, WA.

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Presentation transcript:

Overview of NMFS AFSC Field Activities Alaska Fisheries Science Center 7600 Sand Point Way NE Seattle, WA

Auke Bay Laboratory  Longline survey  GOA stock assessments for rockfish, shark, Sablefish.  Ocean Carrying Capacity Program (OCC)  Bering – Aleutian Salmon International Survey (BASIS)

Planned longline survey for

Resource Assessment and Conservation Engineering (RACE) Groundfish Assessment Program  Bottom trawl surveys to assess abundance of groundfish in the Gulf of Alaska, Aleutian Islands and eastern Bering Sea  Research on survey methodology  Research on the design and configuration of commercial and research fishing gears  Research on factors influencing the life history (maturity) and distribution of groundfish  Research on habitat associations of groundfish and responses of fish to habitat disturbance

Planned GAP Research Cruises for

Yellowfin sole

RACE Midwater Assessment & Conservation Engineering  Echo Integration/Trawl Surveys to assess abundance of pelagic pollock in the Gulf of Alaska and eastern Bering Sea  Research on fisheries acoustics and survey methodology  Research involving innovative applications of acoustics in fisheries science  Research on the design and configuration of commercial and research fishing gears  Research on bycatch reduction devices  Research on impacts of fishing on habitat

Planned MACE and FOCI Gulf of Alaska Research Cruises for

Planned Summer 2002 EBS EIT Survey

Winter 2002 EIT Survey of EBS Shelf and Bogoslof Region

National Marine Mammal Laboratory

Moorings PMEL Moorings

Status of Stocks and Multispecies Assessment Program Bering Sea Aleutians Gulf of Alaska *Pollock BS *Pollock *Pollock AI *Pacific cod Deep flats *Yellowfin sole *Rex sole *Greenland turbot Shallow flats *Arrowtooth flounder *Flathead sole *Rock sole *Alaska Plaice *Flathead sole *Sablefish *Atka mackerel *Pacific ocean perch *Northern rockfish Shortraker/rougheye Other rockfish Other species *Arrowtooth flounder *Sablefish *Pacific ocean perch Shortraker/rougheye *Shortspine thornyheads *Northern rockfish *Dover sole ABCTACCatchOFL

Walleye Pollock (EBS)

Prince William Sound SE Alaska Kodiak E Aleutians Seguam Existing Proposed Existing summer Sea Lion Prey Study Areas

Pacific Cod Trawl Catch 1999 (Rebecca Reuter, AFSC) SSL diet data - Pacific Cod is important item in winter Late winter nutrition critical for females & weaned juveniles ? Cod spawning aggregations - important seasonal food supply ? Intense, localized fishery (trawl, pots, & longline) Look for localized depletion or disturbance

The Bread Line (SW end)

Results 2000 Seguam Pass Outside: Released: 5300 Recovered : 198 Inside: Released : 7000 tags Recovered: 20 tags N=118,000 mt (27, ,000) N=82,000 mt (55, ,000) P=0.6 ?? (95%CI: 0-1) P=0.03 (95% CI 0-0.1)

FOCI: Basis for Understanding Moorings

End

March 2002 Kodiak and Shelikof Strait EIT Survey

Chiniak:pass 1 (09-11 Aug) Barnabas: pass 1 (11-14 Aug) pass 2 (14-16 Aug)pass 2 (16-19 Aug) pass 3 (23-26 Aug)pass 3 (26-29 Aug) pass 4 (29-30 Aug)