Alaska Integrated Ecosystem Assessments

Integrated Ecosystem Assessments carried out in Alaska provide ecosystem science to management, relevant stakeholders, and community members in the Alaska region to support effective Ecosystem-Based Management. Read more

Alaska Sub-regions

Map of Alaska

The Alaska region is made up of 4 distinct ecosystems:

Gulf of Alaska (GOA)


Aleutian Islands (AI)


Eastern Bering Sea (EBS)


Alaskan Arctic

Ecosystem Status Reports

Pressures to marine ecosystem in Alaska
Qualitative depiction of the relative amount of human drivers and pressures on each Alaskan ecosystem.


Ecosystem Status Reports are developed annually to provide information about the state of the Alaskan Ecosystems. Read each of the Alaskan Ecosystem Status Reports:

Eastern Bering Sea


Gulf of Alaska


Aleutian Islands


Alaskan Arctic

News & Highlights

Early Warnings of Bering Sea and Gulf of Alaska Presented to SSC of the North Pacific Fisheries Management Council

In October, NOAA scientists presented Early Warnings of the Bering Sea and Gulf of Alaska to the Scientific and Statistical Committee of the North Pacific Fisheries Management Council. 

An unprecedented near-complete lack of sea ice occurred in 2018

Eastern Bering Sea Ecosystem Status Report now available for 2018. The eastern Bering Sea was characterized by anomalously warm conditions in 2018. Read more

Community workshop on the Sitka Sound

A workshop was held with the Community of Sitka to understand the Sitka Sound ecosystem
[Read more...]

Sightings of pollock swimming “with their heads out of the water” and “half swimming, half floating” were observed in Bristol Bay

Community members, and subsistence and commercial fishers from Bristol Bay reported unusual behavior of adult pollock in the summer 2018. Read more.