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EMA: Anadromous Fish

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Salmon Ocean Ecology & Bycatch Analysis:
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Scientist collecting salmon scale
EMA staff collecting salmon scales

Pacific salmon are an important component of the Gulf of Alaska, Bering Sea, and Arctic ecosystems, and are an important commercial and subsistence resource. This is a “crosscutting” activity that utilizes salmon and other data from ongoing fisheries and oceanographic, surface trawl and mid-water acoustic surveys described in Activity Plans from the Southeast Alaska Coastal Monitoring (SECM), Southeastern Bering Sea Assessment, and Gulf of Alaska Assessment to monitor changes in large marine ecosystems of the North Pacific Ocean and to inform Alaska State and Federal Managers on changes in marine salmon growth, health, and abundance in relation to adult salmon returns.

Goals:

  • Develop physical and biological indicators of ecosystem processes and status to help predict subsequent year class strength of salmon and groundfish.
  • Participate in NPAFC annual meetings, workshops, and symposia to foster international efforts in ocean research pertaining to the North Pacific Ocean, Bering Sea, Gulf of Alaska, and Arctic Ocean.
  • Participate in Yukon River Joint Technical Committee annual meetings to inform salmon managers and users on the Yukon on changes in ocean conditions and juvenile Yukon River salmon size, fitness, and abundance that affects their marine survival.
  • Determine age and digitize seasonal and annual marine growth on scales from chum and Chinook salmon collected as bycatch by the Fisheries Monitoring and Assessment division of the AFSC.
  • Work closely with the Alaska Department of Fish and Game and others to collect adult scales from western Alaska and Gulf of Alaska salmon populations to age and digitize the seasonal and annual marine growth on salmon scales where growth data are used to predict stock recruitment of walleye pollock, Pacific cod, and sablefish in the Bering Sea and Gulf of Alaska.

Related Links:
NPAFC
Yukon River Joint Technical Committee
Fisheries Monitoring and Assessment
Alaska Department of Fish and Game

Presentation
 

Hot Topic:

North Pacific Research Board Project #1111

  • Over-winter survival of Bristol Bay sockeye salmon at Sea

  • Alaska Marine Science Symposium Book of Abstracts

  • Impact of Climate Variability and Change on Winter Survival of Bristol Bay Sockeye Salmon

  • Alaska Public Radio Network

  • Bristol Bay Sockeye’s Prey Quality Affected By Ocean Temperature

  • The Bristol Bay Times

  • Bering Sea Researchers Talk Climate Change

  • Contact:
    Ellen Yasumiishi
    Auke Bay Laboratories
    Alaska Fisheries Science Center, NOAA Fisheries

    Ted Stevens Marine Research Institute
    17109 Pt Lena Loop Rd
    Juneau AK 99801
    (907) 789-6604
    Ellen.Yasumiishi@noaa.gov


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