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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 input.


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.


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. 


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.


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 regional input.


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 regional input.


Researchers in a boat near killer whales

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.


Washington state capital dome against blue sky

The recently approved HEAL Act requires the state of Washington to address issues of environmental justice within its agencies. The Act is expected to be signed by the governor and focuses on inequities in environmental health conditions for disenfranchised populations.


Homewaters book cover

A new book explores our complicated connection to the ecosystem that we call home. We interview author David B. Williams about Homewaters: A Human and Natural History of Puget Sound, published this month by the University of Washington Press.


Historic map of Seattle showing areas in different colors.

Researchers are looking at the forces of discrimination that worsen the environmental health risks for some communities.


Brightly painted canoes on river shore with construction cranes in background.

Years of struggle have led to reduced pollution and a stronger sense of community in the Duwamish Valley. As cleanup efforts there continue, environmental justice has come front and center for the area's diverse populations.


A rusty radiator and other debris in sediment of the Duwamish River at low tide.

An update to state rules regarding the cleanup of toxic pollution is expected to bring more attention to factors like race, ethnicity and income within populations that live near contaminated sites.


Timber pike seawall below a house along the shoreline.

Close to 30% of Puget Sound's shoreline is armored with seawalls and other structures meant to protect beaches against rising tides and erosion. But science increasingly shows that these structures are ineffective and cause significant harm to salmon and other creatures. State and federal agencies have been encouraging private property owners to remove armoring in a race to improve habitat, but why did so much of it start appearing in the first place?


Report cover

We are in a weakening La Niña, coastal downwelling has lessened and we are getting out of a cold and wet stretch, hurray. In March, rivers have almost returned to normal and carry clear water. It’s a good time to go diving if you don’t mind cold water. The productive season has only started in some places and patches of jellyfish are visible. Have a look at this edition and marvel about the secrets of the dead, or mysterious sediment clouds and the oil sheen spotted near Lummi Bay.


Waves crashing in front of a house. Photo: James Kinney

The 2018 Shoreline Armoring Implementation Strategy identified development of new financial incentives as a near-term priority. This study, funded by the Habitat Strategic Initiative, assesses the feasibility of developing a Shore Friendly residential shoreline loan program.


An image from the LiveOcean model showing Salish Sea circulation patterns.

A 2021 article in the journal JGR Oceans describes circulation and mixing in the Salish Sea. The findings are based on simulations produced by the LiveOcean computer model.


Killer whale CSI -
A group of southern resident killer whales swimming together near San Juan Island. Photo: Katy Foster/NOAA Fisheries, under permit 18786

Collisions with boats and other interactions with humans are "significant" causes of death for killer whales in the northeastern Pacific, a recent study says. The findings come from one of the most comprehensive looks at killer whale pathology to date, but scientists say determining how a killer whale may have died is often notoriously difficult.


Report cover

The Benthic Index of Biotic Integrity (B-IBI) Implementation Strategy is designed to improve freshwater quality by analyzing the health and diversity of invertebrate populations in Puget Sound area streams.


Report cover

Rivers are flowing higher than normal since 2020. Winter weather has been warmer and wetter. In marine waters, temperatures have become too cool for Northern Pacific anchovies to tolerate in North Sound. From patches of jellyfish and snow geese, to sediment and early blooms, there is more happening in the winter than you might expect. Puget Sound has many species worth showcasing such as the heart crab – a shy critter that wears its heart on its shell.


Report cover

Priority Science to Support Recovery of the Puget Sound Ecosystem: A Science Work Plan for 2020-2024 (SWP for 2020-2024) describes the information, learning, and interaction needed to support the coordinated efforts to recover, protect, and improve the resilience of the Puget Sound ecosystem.


Puget Sound shoreline at sunset. Photo by Jeff Rice. All rights reserved.

Puget Sound's shorelines are "liminal landscapes" that can inspire senses of "escape, transformation, and human creativity," according to a 2021 paper in GeoJournal. That may have regional policy implications as coastal researchers increasingly recognize the need to incorporate community inclusion and 'sense of place' in management decisions. The paper includes findings from a 12-county survey aimed at gauging residents’ sense of place for Puget Sound’s liminal shorelines.


Harbor seal in Puget Sound. Photo courtesy of NOAA.

Harbor seals and harbor porpoises in the Salish Sea are showing a relatively high presence of antibiotic-resistant bacteria. A 2021 paper in the journal Oceans suggests that these findings may indicate a wider problem among other species in the region.


Eyes Over Puget Sound report cover

The Washington State Department of Ecology has prepared a summary review of its Eyes Over Puget Sound surface condition reports from 2020.


The Elwha River, Washington. Photo: Tom Collins https://flic.kr/p/SUgCYk (CC BY-ND 2.0)

This report details the outcomes, successes, and reflections of the final two years (2014-15) of an Environmental Protection Agency (EPA) National Estuary Program award dedicated to tribal restoration and protection projects in the Puget Sound watershed.


A woman standing on a rock in a river holding a long pole with a net on the end. Photo: Rachael Mallon

A river spawning species of forage fish known as the longfin smelt is rare and getting rarer in the Salish Sea. Biologists are looking into the mysterious decline of the ‘hooligans’ of the Nooksack.