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May 31, 2018

PSI research on opioids in mussels receives international coverage

Our May 9th report on the discovery of opioids in Puget Sound mussels continues to be picked up by many national and international news organizations. The research was conducted by PSI’s Andy James in collaboration with scientists at the Puget Sound Mussel Monitoring Program at the Washington Department of Fish and Wildlife. Traces of oxycodone […]


January 29, 2018

Tanya Roberts

PSI welcomes Tanya Roberts as Research Scientist

Tanya Roberts is PSI’s newest research scientist, and comes to us from the Washington State Department of Ecology’s Environmental Assessment Program. While with Ecology (2005–2012; 2016–2017), Tanya worked with teams monitoring natural resources throughout the state, assessing groundwater, forest streams, and toxics, as well as serving as a data coordinator for a variety of Ecology […]


January 29, 2018

One of the herring rescued by the staff at the Vashon Island Nature Center. Photo courtesy of Amy Carey.

Dispatches: Herring rescue

A Puget Sound scientist’s work is never done. PSI’s Lead Ecosystem Ecologist Tessa Francis sent us this e-mail about a recent call to identify some wayward fish on Vashon Island. It didn’t hurt that she happens to study the same species of fish — Pacific herring — as part of her research at PSI. By Tessa […]

January 5, 2018

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Study looks at climate change impacts on zooplankton

PSI’s Lead Ecosystem Ecologist Tessa Francis is co-author of a paper describing the impacts of climate change on freshwater zooplankton communities. The 2017 paper in the journal Climate Change Responses analyzes plankton communities in an Alaskan lake and predicts that some copepods in the study area will decline while other plankton such as cladocerans will […]

December 6, 2017

A dying female coho salmon in the Lower Duwamish spotted by Puget Soundkeeper volunteers in October 2017. Photo: Kathy Peter

What makes stormwater toxic?

Stormwater may be Puget Sound’s most well-known pollutant, and at the same time its least known. While the state has called stormwater Puget Sound’s largest source of toxic contaminants, scientists are still having a tough time answering two basic questions about it: What is stormwater, exactly, and what does it do? Our magazine Salish Sea […]

November 27, 2017

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PSI social scientist receives EPA early career award

PSI visiting scholar and lead social scientist Kelly Biedenweg has received a $400,000 EPA early career award to study the connection between human wellbeing and ecosystem health in Puget Sound. Biedenweg is currently an assistant professor at Oregon State University and the award continues some of the work she began at PSI to establish Human Wellbeing […]

September 20, 2017

Wide angle view of commuters in city

Interview: Can ’Silicon Valley North’ change the way we think about Salish Sea recovery?

By Jeff Rice, Puget Sound Institute A strong economy driven by a world-leading technology industry is expected to draw millions of new residents to the Salish Sea region within decades. This changing population brings with it new strains on the environment but also new perspectives. Incoming residents may not see Puget Sound the same way […]