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Screenshot from video.

Video: Identifying sources of pollution in the Skagit Valley

A video produced by the University of Washington Center for Urban Waters shows how chemical tracers can identify sources of pollution affecting shellfish growers in Puget Sound’s Skagit Valley. Fecal coliform pollution is a widespread problem in Puget Sound, resulting in costly beach and shellfish bed closures whenever it is detected. Analytical techniques can now …

Tsleil-Waututh canoe travel in Indian Arm at DiRr-6, a massive outcrop of intrusive granodioritic rock marked with a single painting, 2014. Most rock paintings were meant to be seen in this context. Photo by Jesse Morin

Dispatches: Ancient DNA reveals ecological history

Occasionally, this space includes reports and essays from guest writers on the subject of Puget Sound ecosystem recovery. Social scientist Whitney Fleming has this dispatch on new findings that are being revealed by ancient sources. Archaeologists are looking at ancient DNA combined with oral histories to determine ecological conditions from the past.  By Whitney Fleming …

Equity and social science integration at the 2018 Salish Sea Ecosystem Conference

A new study looks at social science and equity integration within the proceedings of the 2018 Salish Sea Ecosystem Conference. The study was produced by David Trimbach on behalf of the Puget Sound Partnership for the Encyclopedia of Puget Sound and the Puget Sound Institute. From the report’s Introduction: Social science and equity are increasingly …

How herring learn from their elders

Young Pacific herring (Clupea pallasii) learn migration behavior by joining up with older fish, according to a new paper co-authored by Puget Sound Institute Lead Ecosystem Ecologist Tessa Francis. The paper, published this month in the ICES Journal of Marine Science, showed how this behavior leads to greater spatial variability in biomass, and that commercial …

Upcoming seminar/webinar: Puget Sound applications of the VELMA ecohydrological model

Puget Sound Institute will host a seminar/webinar on June 11th, 2018 entitled: Puget Sound applications of the VELMA ecohydrological model Presenter: Bob McKane, PhD Date & Time: Monday, June 11, 2018, 11:00 am Pacific Time. Online access will be available from 10:45 am. Please log in by 10:50 am for a briefing on meeting guidelines. …

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 …

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 …