All Articles

Newborn harbor seal napping on a bed of kelp

Congenital diseases in harbor seals from the Salish Sea

An article published in the Journal of Wildlife Diseases in 2021 describes trends in birth defects among harbor seals in the Salish Sea from 2003 to 2019. The results suggest a level of congenital disease in this harbor seal population that is important for continued monitoring.

Several harbor seals lying on a rock

Trends in propeller strike-induced mortality in harbor seals

An article published in the Journal of Wildlife Diseases in 2021 describes research documenting injuries among harbor seals in the Salish Sea caused by boat propeller strikes. The number of strikes increased significantly between 2002 and 2019, as did vessel traffic.

Maps generated from the Salish Sea Model showing surface layer transport in the Northwest Straits (left) and sea surface salinity (right). Images: Pacific Northwest National Laboratory

The Salish Sea Model

The Salish Sea Model is a computer model used to predict spatial and temporal patterns related to water circulation in the Salish Sea. It was developed at the United States Department of Energy's Pacific Northwest National Laboratory with funding from the Environmental Protection Agency. It is housed at the University of Washington Center for Urban Waters which is affiliated with the Encyclopedia

Marine Water Quality Implementation Strategy

This article provides an overview and a link to further information about the Marine Water Quality Implementation Strategy. Implementation Strategies (Strategies) are plans for accelerating progress toward the 2020 ecosystem recovery targets for the Puget Sound Vital Signs. The Strategies are developed collaboratively with technical, professional, and policy experts and with local and regional

Implementation Strategy for Puget Sound’s Shellfish Beds Recovery Target

This article provides an overview and a link to further information about the Shellfish Implementation Strategy. Implementation Strategies (Strategies) are plans for accelerating progress toward the 2020 ecosystem recovery targets for the Puget Sound Vital Signs. The Strategies are developed collaboratively with technical, professional, and policy experts and with local and regional input. They

Puget Sound Eelgrass (Zostera marina) Recovery Strategy

A 2014 report from the Washington State Department of Natural Resources outlines a recovery strategy for native eelgrass in Puget Sound. The strategy is designed to address a target set forth by the Puget Sound Partnership to increase eelgrass by 20 percent in Puget Sound by 2020. 

Chinook Salmon Implementation Strategy

This article provides an overview and a link to further information about the Chinook Salmon Implementation Strategy. Implementation Strategies (Strategies) are plans for accelerating progress toward the 2020 ecosystem recovery targets for the Puget Sound Vital Signs. The Strategies are developed collaboratively with technical, professional, and policy experts and with local and regional input

Land Development and Cover Implementation Strategy

This article provides an overview and a link to further information about the Land Development and Cover Implementation Strategy. Implementation Strategies (Strategies) are plans for accelerating progress toward the 2020 ecosystem recovery targets for the Puget Sound Vital Signs. The Strategies are developed collaboratively with technical, professional, and policy experts and with local and

Floodplains and Estuaries Implementation Strategy

This article provides an overview and a link to further information about the Floodplains and Estuaries Implementation Strategy. Implementation Strategies (Strategies) are plans for accelerating progress toward the 2020 ecosystem recovery targets for the Puget Sound Vital Signs. The Strategies are developed collaboratively with technical, professional, and policy experts and with local and

Researchers in a boat near killer whales

Southern residents’ winter diet comes into focus

A 2021 paper in the journal PLoS ONE provides a clearer picture of what endangered southern resident orcas eat throughout the year. Chinook salmon make up the bulk of the whales' diet, but the paper suggests that other salmon species and non-salmonid fishes can also play important roles depending on the season.