Mixed-maturation fisheries compromise productivity and resilience of Chinook salmon [PDF]
Scientific ReportsMost ocean-type Chinook salmon (Oncorhynchus tshawytscha) in the northeast Pacific Ocean are harvested in mixed-stock marine fisheries. Here, multiple populations with varying abundance and productivities are encountered. In addition to being mixed-stock,
Nick Gayeski +3 more
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Ecosphere, 2020 Understanding how protected species influence the population dynamics of each other is an essential part of ecosystem‐based management. Chinook salmon (Oncorhynchus tshawytscha) are critical prey for endangered southern resident killer whales (SRKWs ...
Benjamin W. Nelson, James P. Losee
exaly +2 more sources
Steller sea lion (Eumetopias jubatus) consumption of ocean age-0 Chinook salmon (Oncorhynchus tshawytscha) along the northwest coast of Washington State. [PDF]
PLoS ONEThe decline of wild Chinook salmon (Oncorhynchus tshawytscha) in the Pacific Northwest is concerning due to their critical role in the culture, economy, and ecology of the region, and the endangered species status of some of the evolutionarily ...
Zoë K Lewis +7 more
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Subyearling Chinook salmon diets in Lower Columbia River estuarine habitats. [PDF]
PLoS ONEThe Lower Columbia River and Estuary is critical rearing habitat for juvenile Pacific salmon. Extending from the river mouth to Bonneville Dam 235 river kilometers upstream, the Estuary has been altered by dams, dikes, and habitat loss due to ...
Kerry Accola +5 more
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Characterising the Physiological Responses of Chinook Salmon (Oncorhynchus tshawytscha) Subjected to Heat and Oxygen Stress [PDF]
Biology, 2023 In New Zealand, during the hottest periods of the year, some salmon farms in the Marlborough Sounds reach water temperatures above the optimal range for Chinook salmon.
Roberta Marcoli +4 more
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A single generation in the wild increases fitness for descendants of hatchery‐origin Chinook salmon (Oncorhynchus tshawytscha) [PDF]
Evolutionary ApplicationsReintroduction is an important tool for the recovery of imperiled species. For threatened Pacific salmonids (Oncorhynchus spp.) species, hatchery‐origin (HOR) individuals from a nearby source are often used to reestablish populations in vacant ...
David I. Dayan +5 more
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Genomics and 20 years of sampling reveal phenotypic differences between subpopulations of outmigrating Central Valley Chinook salmon [PDF]
Evolutionary ApplicationsIntraspecific diversity plays a critical role in the resilience of Chinook salmon populations. California's Central Valley (CV) historically hosted one of the most diverse population complexes of Chinook salmon in the world.
Tasha Q. Thompson +6 more
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Chinook salmon depth distributions on the continental shelf are shaped by interactions between location, season, and individual condition [PDF]
Movement EcologyBackground Ecological and physical conditions vary with depth in aquatic ecosystems, resulting in gradients of habitat suitability. Although variation in vertical distributions among individuals provides evidence of habitat selection, it has been ...
Cameron Freshwater +9 more
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Requirements and availability of prey for northeastern pacific southern resident killer whales
PLoS ONE, 2022 The salmon-eating Southern Resident killer whale (SRKW) (Orcinus orca) population currently comprises only 73 individuals, and is listed as ‘endangered’ under the Species at Risk Act in Canada.
Fanny Couture +4 more
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Color photographic index of fall Chinook salmon embryonic development and accumulated thermal units. [PDF]
PLoS ONE, 2010 BACKGROUND: Knowledge of the relationship between accumulated thermal units and developmental stages of Chinook salmon embryos can be used to determine the approximate date of egg fertilization in natural redds, thus providing insight into oviposition ...
James W Boyd +2 more
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