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State agencies tracking pollution levels in Puget Sound have discovered traces of oxycodone in the tissues of native bay mussels (Mytilus trossulus) from Seattle and Bremerton area harbors. The findings were presented at the 2018 Salish Sea Ecosystem Conference in Seattle. 

New research suggests that recovery efforts are working for Puget Sound’s threatened yelloweye rockfish. Preliminary models show "considerable improvement" in population numbers.

Harbor seal numbers were severely reduced in Puget Sound during the first half of the twentieth century by a state-financed population control program. This bounty program ceased in 1960, and in 1972, harbor seals became protected under the federal Marine Mammal Protection Act and by Washington State.

A 2019 report from the University of Washington Puget Sound Institute examines the application of 'resilience thinking' to Puget Sound protection and restoration.

This paper appears in the July 2014 issue of the journal Coastal Management, which focuses on the role of social sciences in Puget Sound ecosystem recovery.

How do excess nutrients trigger low oxygen conditions in Puget Sound and what do those conditions mean for the species that live here?

This 2006 report from the Washington Department of Natural Resources identifies areas of Washington's inland marine waters with high conservation value.

This overview discusses the processes that control ocean and climate characteristics. Topics include atmospheric forcing, precipitation patterns, oscillation trends, coastal upwelling, and climate change.

This report presents the findings and recommendations of the Committee. The recommendations will be presented for comment and discussion by participants at the First Annual Meeting on Puget Sound Research, which will be convened in Seattle on March 18 and 19, 1988. 

A 2015 report from the Whatcom Conservation District and Whatcom County describes a pilot watershed characterization study focusing on the Terrell Creek and Birch Bay areas. The report and related appendices are available for download.