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September 27, 2022

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Killer whale census shows another down year, with three deaths and two births

Three deaths and two births. Over the past year, the endangered Southern Resident killer whale population has declined by a total of one, according to the annual census report submitted yesterday by the Center for Whale Research. Now the number of whales in all three pods stands at 73, down from 74 last year and […]

September 27, 2022

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PSI monthly roundup: September 2022

PSI monthly roundup: September 2022 View the fully formatted newsletter Six things that people should know about ecosystem modeling and virtual experiments Mathematical models running on high-speed computers are being used successfully to describe and predict all sorts of environmental changes, from annual salmon runs to sea-level rise to warming waters in streams, bays and […]

September 25, 2022

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Six things that people should know about ecosystem modeling and virtual experiments

The Puget Sound Institute is facilitating a series of online workshops and discussions to explore the technical uncertainties related to the science of Puget Sound water quality. As part of the project, we are publishing informational blogs and articles, including this look at how computer models are becoming increasingly important to our understanding of the natural world. The project is […]

September 14, 2022

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Add-on structure will begin to address steelhead crisis at the Hood Canal Bridge

The Hood Canal Bridge, which connects the Kitsap and Olympic peninsulas, has proven to be a dangerous impediment to juvenile steelhead trout. As many as half of the young migratory steelhead in Hood Canal may get picked off by seals, birds and other predators as the fish try to pass under the floating highway, according […]

September 12, 2022

An image of brackish water mixing in the Salish Sea as shown by the Salish Sea Model. Image courtesy of the Salish Sea Modeling Center.">

Upcoming workshops on tools to evaluate water quality and biological integrity 

New event: More than 130 researchers, scientists, modelers, and other experts attended our first workshop in July on The Science of Puget Sound Water Quality. The discussion continues with two interrelated workshops focusing on scientific tools for evaluating marine conditions and species health. Join us:  September 29th from 8 – 10 AM PT for Tools to […]

August 29, 2022

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New film about spring Chinook delves into history, culture and science in unique habitats

A new film, titled “The Lost Salmon,” opens with a video montage that takes us through some wondrous scenes: A wide aerial shot of California’s majestic Salmon River, moving to an underwater view of salmon swimming through the clear water and then to an action spectacle of wild salmon practically flying through the air to […]

August 24, 2022

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U.S. Environmental Protection Agency approves the 2022-2026 Action Agenda

Press release reprinted from The Puget Sound Partnership U.S. Environmental Protection Agency approves the 2022-2026 Action Agenda FOR IMMEDIATE RELEASEAugust 24, 2022 MEDIA CONTACT: Kevin Hyde, 360.819.3045, kevin.hyde@psp.wa.gov OLYMPIA — The U.S. Environmental Protection Agency (EPA) has approved the 2022-2026 Action Agenda as the Comprehensive Conservation and Management Plan for the Puget Sound National Estuary Program (NEP). Each NEP […]

July 24, 2022

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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 […]