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Alaska Ecosystem Monitoring and Assessment

By understanding the relationship between fish species and their marine environment, we are able to enhance the accuracy of our fish stock estimates.
Alaska
Pile of caught fish

Northeastern Bering Sea Ecosystem Assessment

The fishery and oceanographic survey in the Northeastern Bering Sea combines surface trawl and midwater acoustics to collect indices on fish size, relative abundance, energetic status, distribution, and diet.
Alaska
Northeastern_Bering Sea_Ecosystem_Assessment.jpg

Southeastern Bering Sea Ecosystem Assessment

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.
Alaska
Pile of caught fish

Zooplankton Distribution and Abundance Studies in Alaska

We study zooplankton to help us assess the ecosystem. The distribution, abundance, and composition of the zooplankton can all serve to indicate the feeding conditions a young fish encounters. We continue to develop innovative approaches to use zooplankton as indicators for ecosystem condition and to track changes in the environment that may potentially impact fish.
Alaska
crustacean zooplankton.jpg

Ecology of Small Fish Living in Shallow Coastal Waters (Neritic Zone) in the Gulf of Alaska

A major reason we study larval fish in the Gulf of Alaska is to advance our understanding of the mechanisms that control fish population structure and production.
Alaska
Left: person in orange safety vest tugging on netting on a boat. Right: People in orange overalls putting small fish into white bins.

Larval Fish Research In Alaska

Ichthyoplankton are the early stages of fish (eggs and larvae) that are not able to actively swim against currents.
Alaska
Collage of pictures showing larval fish

Arctic Ecosystem Research in Alaska

We investigate how changing Arctic conditions affect Arctic fish feeding, growth, and survival.
Alaska
benthic trawl in Chukchi.jpg

Understanding Ecosystem Processes In The Bering Sea

Bering Sea research in Alaska.
Alaska
map of Alaskan islands in the Bering Sea

Ecosystem and Fisheries Oceanographic Research in the Gulf of Alaska

Ecosystem and fisheries oceanographic research in the Gulf of Alaska.
Alaska
Rough ocean with mountains in the background.

Alaska Groundfish and Shellfish Assessment Surveys Sample Request Instructions

Guidance for submitting collection requests
Alaska