• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-05T00:00:00.000+00:00

The southern residents face several well-documented external threats. However, the population might also be subject to internal factors that limit population growth, including a reduction in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-07-22T00:00:00.000+00:00

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...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-07-22T00:00:00.000+00:00

In this study, vocal compensation is being investigated in Southern Resident killer whale (SRKW) calls to determine the degree to which whales can adjust to increased background noise levels. In...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-02-29T00:00:00.000+00:00

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...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-07T23:06:38.000+00:00

We are using elliptic Fourier analysis to determine the patterns of variation in morphology of dorsal fin shape, saddle patch shape, and eye patch shape of resident, transient, and offshore killer...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-03-01T00:00:00.000+00:00

NWFSC will conduct acoustic and visual surveys of marine mammals from 15-29 October 2021 along the Washington, Oregon, and Canadian coasts in order to determine the occurrence, diet, and health of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-30T00:00:00.000+00:00

Southern Resident Killer Whales (SRKW) are listed as a Distinct Population Segment under the Endangered Species Act. Data concerning their prey species and stock specific consumption estimates for...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-02-21T00:00:00.000+00:00

This project is examining contaminant loads of fish prey species of a resident marine bird (Rhinoceros Auklet) breeding in inland waters (Puget Sound) and in the northern California Current (outer...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-01-03T00:00:00.000+00:00

The primary goal of the Southern Resident Killer Whale (SRKW) Sightings Dashboard is to provide a resource for individuals and organizations to determine appropriate marine mammal protections for...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-07-01T00:00:00.000+00:00

The Southern Resident killer whale (SRKW) population is threatened by a number of identified risk factors including prey availability, contaminants, vessel noise and disturbance, and small...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-08-07T00:00:00.000+00:00

This data collection contains geospatial data supporting the suitability analysis for Wind Energy Areas (WEAs) within Bureau of Ocean Energy Management’s (BOEM) Oregon Call Areas. The dataset...

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• +31 more