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EMA: Southeastern Bering Sea Ecosystem Assessment

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Ecosystem Monitoring & Assessment
SE Bering Sea Ecosystem Assessment
NE Bering Sea Ecosystem Assessment
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Salmon Ocean Ecology & Bycatch Analysis
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EBS survey catch sample
SE Bering Sea survey sample

The fishery and oceanographic survey in the southeastern Bering Sea combines surface trawl and midwater acoustics to collect indices on fish size, relative abundance, energetic status, distribution, and diet. For example, these surveys highlight the connection between chum salmon populations and bycatch in the Bering Sea groundfish fisheries. Oceanographic indices include conductivity-temperature at depth, nutrient levels, zooplankton (including jelly fish) and phytoplankton biomass and species assemblage. The NOAA Fisheries Strategic Plan calls for predictive models of the consequences of climate change on ecosystems through monitoring changes in coastal and marine ecosystems, conducting research on climate-ecosystem linkages, and incorporating climate information into physical-biological models. The goal for this assessment is to develop models relating these fisheries-oceanographic indices to productivity of commercially important fish species (such as pollock, cod, herring, western Alaska salmon) in the southeastern Bering Sea.

Southeastern Bering Sea Sample Stations
SE Bering Sea sample stations
(below 60 degrees north)

The survey leverages AFSC resources through partnerships in regional research programs such as NPRB, FATE, the North Pacific Anadromous Fish Commission's Bering Aleutian Salmon International Survey (BASIS), the Bering Sea Fisherman’s Association, the Alaska Sustainable Salmon Fund, and the Arctic Yukon Kuskokwim Sustainable Salmon Fund.

Data from these surveys have been used in NPRB, Bering Sea Ecosystem Integrated Research Program research activities, reports, and publications.

Related Links:
REFM Stock Assessments
Bering Sea groundfish fisheries
Bering Sea Fisherman’s Association
Alaska Sustainable Salmon Fund
Arctic Yukon Kuskokwim Sustainable Salmon Fund

Ed Farley
Auke Bay Laboratories
Alaska Fisheries Science Center, NOAA Fisheries

Ted Stevens Marine Research Institute
17109 Pt Lena Loop Rd
Juneau AK 99801
(907) 789-6085

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