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July 24, 2022

PSI monthly roundup: July 2022

VIEW THE FULLY FORMATTED NEWSLETTER in your browser Low-oxygen problems to be scrutinized in talks about research, modeling efforts   For decades, researchers have been advancing their understanding of what causes the harmful and sometimes deadly low-oxygen problems afflicting some areas of Puget Sound. A series of 10 workshops on the subject will begin Tuesday, July […]

July 20, 2022

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Low-oxygen problems to be scrutinized in talks about research, modeling efforts

By Christopher Dunagan For decades, researchers have been advancing their understanding of what causes the harmful and sometimes deadly low-oxygen problems afflicting some areas of Puget Sound. Computer models have been developed to replicate conditions and point the way to possible solutions. Experts generally agree that excess nitrogen flowing into Puget Sound contributes to the […]

July 6, 2022

Water quality monitoring and computer models are being used to address scientific questions surrounding nutrient management. Left photo. Right photo.">

Series of workshops will advance understanding of nutrients in Puget Sound

Our region is navigating complex and challenging decisions on how best to manage nitrogen, dissolved oxygen, and the potential impacts of eutrophication on the key habitats and species of the Salish Sea. Over the next year, the Puget Sound Institute is sponsoring a series of scientific workshops to help address technical uncertainties and to advance modeling […]


March 2, 2021

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Salmon experts predict more wild coho but fewer Chinook in Puget Sound this year

Greater numbers of wild coho salmon are expected to return to Puget Sound later this year, according to forecasts released last week, but threatened Puget Sound Chinook stocks are likely to see another decline. The 2021 salmon forecasts were announced Friday during an online video conference with sport and commercial fishers and other interested people […]

February 12, 2021

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New sewage-treatment permit would be a step to curbing nitrogen in Puget Sound

In an effort to stem the flow of excess nitrogen into Puget Sound, Washington Department of Ecology has proposed a new type of permit for some 60 sewage-treatment plants operating throughout the region. The flexible permit, called the Puget Sound Nutrient General Permit, aims to hold nitrogen releases close to or below their current levels […]

June 29, 2020

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">

PSI launches Salish Sea Modeling Center

The Puget Sound Institute is launching a new program that will use supercomputers to advance ecosystem recovery of the Salish Sea. The Salish Sea Modeling Center will allow scientists from around the region to access sophisticated computer models to predict changes in the ecosystem. Work at the center will tackle vexing environmental problems such as […]

April 25, 2020

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Warm-water ‘blobs’ significantly diminish salmon, other fish populations, study says

It’s no secret that salmon and other Northwest fish populations are expected to shrink as a result of a warming Pacific Ocean. But a new study suggests that the resulting decline in commercial fishing by 2050 could be twice as great as previously estimated by climate scientists. The higher estimates of population declines were calculated […]

March 9, 2020

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Virus related to measles could push Puget Sound orcas to extinction, study says

Researchers studying the killer whales that frequent Puget Sound are growing increasingly concerned that a dangerous virus or other disease-causing organism could spread through the population and hasten extinction of these critically endangered southern resident orcas. Without dramatic changes to their environment, extinction is already considered the likely future for the southern residents, as they […]


January 21, 2020

PSI is hiring a postdoc for a water quality modeling project

The Puget Sound Institute (PSI) is looking for an early-career research scientist or engineer to contribute to a collaborative project modeling the sources, movements, and fates of toxic chemicals in the Salish Sea. In this position you will be responsible for aggregating, evaluating, and interpreting large monitoring data sets to support the development of a […]


July 17, 2018

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 […]