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NWFSC scientists are studying the biological effects of ocean acidification on larval geoduck, Pacific oyster, krill, copepods and pteropods (zooplankton that are food for the fish we eat),...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 03, 2026 at 04:05 AM -
Estimates of harbor porpoise population size in the main basin of Puget Sound. This abundance will be derived from established methodology for marine mammal abundance estimation. Updates to...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 03, 2026 at 04:03 AM -
The purpose of this project is to develop spatially discrete end-to-end models of the northern Gulf of California, linking oceanography, biogeochemistry, food web interactions, habitat, fisheries,...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 03, 2026 at 04:03 AM -
The Elwha Dams have been removed, with fish restoration to occur in areas previously inaccessible to salmonids. Fish recovery anticipates that genetic changes will occur to current populations,...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 03, 2026 at 04:02 AM -
This project measures social and cultural impacts of fishery management on the fishing industry and fishing communities. One key focus of this project is the catch share system for the Pacific...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 04:05 AM -
This work uses white muscle tissues collected from sixgill and sevengill sharks to characterize the diet of each species. Tissues from prey species have also been prepared in order to initialize...
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Steelhead population abundance is depressed throughout much of its southern range, and several Distinct Population Segments (DPSs) are listed as threatened or endangered under the US Endangered...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:03 AM -
This project is to determine horizontal and vertical movement patterns of two jellyfish species in Hood Canal, in relation to environmental variables. It is being conducted by NMFS scientists in...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:00 AM -
We have been using and continue to use acoustic telemetry methods to monitor the movement behavior and define habitat use of groundfish species in and out of Puget Sound waters. Detections of...
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Sampling juvenile salmon and associated fishes in open waters of the lower Columbia River estuary. Field work includes bi-weekly sampling during the spring outmigration (Apr-June), and monthly...
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ISEMP has the overarching objective of developing management decision support tools from quantitative relationships of stream habitat quality and quantity's impact on anadromous salmonid...
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To estimate the carbon chemistry conditions experienced by free-living organisms, we will conduct coupled biological/carbon chemistry sampling for key zooplankton species and settlement plate...
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Throughout the Pacific Northwest, stream habitat degradation has been cited as a factor contributing to the decline and ESA listing of of Pacific Salmon. Thus, stream habitat restoration is a...
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Using morphometric characteristics of modern salmonid (Oncorhynchus spp.) vertebrae, we have developed classification models to identify salmonid vertebrae to the species level with relatively low...
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This project extends and advances existing ocean distribution and size models for Chinook Salmon, a major prey of Southern Resident Killer Whales (SRKW) and target of important fisheries, to...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:08 AM -
Rainbow trout and steelhead consist of the same species and often inhabit the similar habitat types within the same watershed. Although their life histories differ from one another, there is...
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We have developed a unique facility for conducting high-quality experiments on marine organisms in seawater with controlled carbon chemistry conditions. The experimental system allows for the...
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Drs. Marla Holt, Brad Hanson, and Candice Emmons of the NWFSC, along with collaborators from Cascadia Research Collective and UC Davis, are currently conducting a study using digital acoustic...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:02 AM -
The Salish Sea comprises most of the Puget Sound water area. Marine species are generally assemblages of discrete populations occupying various ecological niches. Genetic changes to populations...
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This research provides a quantitative means of determining which communities in West Coast coastal counties are most connected to fishing, both commercial and recreational fishing, and allows for...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:06 AM
