Residency, partial migration, and late egress of subadult Chinook salmon (Oncorhynchus tshawytscha) and coho salmon (O. kisutch) in Puget Sound, Washington

Kagley, Anna N.; Smith, Joseph M.; Fresh, Kurt L.; Frick, Kinsey E.; Quinn, Thomas P.

doi:10.7755/fb.115.4.10

Cited by 5 publications

(3 citation statements)

References 18 publications

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“…Resident Chinook Salmon.-It has long been known that Chinook Salmon and Coho Salmon occur throughout the year in Puget Sound and other inland marine waters (Jordan and Evermann 1896), though many other salmonids enter these waters as smolts and then migrate to the coastal ocean, feed there, and pass through the inland marine waters on their homeward migration (Pressey 1953;Haw et al 1967). The resident Chinook Salmon are fully anadromous but exhibit differential migration (Quinn 2021), remaining in the general vicinity of their natal rivers for much of their period of marine life (Chamberlin et al 2011;Chamberlin and Quinn 2014;Arostegui et al 2017;Kagley et al 2017). In the winter and spring, these resident Chinook Salmon are subject to capture before they mature and spawn the following fall, or thereafter.…”

Section: Methodsmentioning

confidence: 99%

Multidecadal Trends in Body Size of Puget Sound Chinook Salmon: Analysis of Data from the Tengu Derby, a Culturally Unique Fishery

et al. 2022

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In Pacific salmon Oncorhynchus spp., downward trends in size and abundance have been reported for species and stocks for over 40 years, but the patterns are inconsistent among regions and species. Interpretation of these trends is complicated by many possible contributing factors, including short time series, data comprising a mix of stocks, and varying gear types. Here, we present data on the mass of individual Chinook Salmon Oncorhynchus tshawytscha caught in the winter from 1946 to 2019 in central Puget Sound, Washington, by participants in what may be the longest running Pacific salmon derby in North America, the Tengu Derby. In this annual recreational fishing competition, established by Japanese Americans immediately after release from internment camps at the end of World War II, participants follow strict gear, area, and methods regulations and catch almost exclusively salmonids originating from and remaining in Puget Sound. Records revealed an overall decline in fish mass over the decades, with a high degree of variability throughout the time series. Specifically, resident Chinook Salmon exhibited several shifts, including a decrease in size from a high in the 1950s to a low around 1980, followed by an increase to another high around 1990 and then a decline over the most recent 30 years. These size trends of residents differed from those of Puget Sound Chinook Salmon as a whole. We infer that the resident fish experienced ecological conditions affecting their growth that were distinct from those of fish feeding along the Pacific Ocean in the same periods. These distinct trends in size of Chinook Salmon from common origins indicate that the different migration patterns of fish within stocks must be considered in the analysis and interpretation of body size trends and also in patterns of survival.Long-term trends in size and age at maturity of fishes have been the subject of interest for many decades as they may reflect natural changes in environmental conditions (Cox and Hinch 1997; Rogers et al. 2011), density dependence (Millner andWhiting 1996;Pyper and Peterman 1999), fishery management (Richards and Rago 1999), fishery-induced evolution (Swain et al. 2007;Sharpe and

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Section: Methodsmentioning

confidence: 99%

Multidecadal Trends in Body Size of Puget Sound Chinook Salmon: Analysis of Data from the Tengu Derby, a Culturally Unique Fishery

et al. 2022

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“…More recently, while purse seining to capture Chinook and coho salmon for sonic tracking in central Puget Sound (Kagley et al 2017;Smith et al 2015), subadult chum salmon were also caught (T. Quinn, K. Fresh, and A. Kagley, unpublished data). They were identified by the absence of spots, narrow caudal peduncle, convex inner margin of the tail, and iridescent rays on the tail (Fig.…”

Section: Sockeye Chum and Pink Salmonmentioning

confidence: 99%

“…Fishing regulations (e.g., open and closed to fishing in one month or another) differ among areas within the Salish Sea and between the Salish Sea and coastal areas. Moreover, most residents limit their movements within Puget Sound (Arostegui et al 2017;Chamberlin and Quinn 2014;Kagley et al 2017;Rohde et al 2013). Consequently, area-specific fishing regulations will affect Fig.…”

Section: Why Is Differential Migration Important?mentioning

confidence: 99%

Diverse and changing use of the Salish Sea by Pacific salmon, trout, and char

Quinn

Losee

2022

Can. J. Fish. Aquat. Sci.

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Each year, juveniles of eight salmonid species enter the Salish Sea - the inland marine waters between northwestern Washington, USA and British Columbia, Canada. These species vary in the proportions remaining there and migrating to feed in the Pacific Ocean. Such differential migration affects their growth rates, and exposure to habitat alteration, predators, fisheries, and contaminants. We review these diverse migration patterns and present data from Puget Sound illustrating the variation in downstream migration timing, residency in the Salish Sea, and upriver return timing. Recreational catch records indicate that proportionally fewer remain in the Salish Sea than in past decades for several species, and the declines began after peaks in the late 1970s – early 1980s. These declines resist easy explanation because the factors controlling residency are poorly understood, and the Salish Sea has changed over the past decades. Regardless of the cause, the diversity of migration patterns is important to the ecology of the salmon and trout species, and to the humans and other members of the Salish Sea community with which they interact.

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Movements of anadromous coastal cutthroat trout (Oncorhynchus clarkii clarkii) in Puget Sound, Washington, USA

Quinn,

Arostegui,

Ellings

et al. 2024

Environ Biol Fish

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Residency, partial migration, and late egress of subadult Chinook salmon (Oncorhynchus tshawytscha) and coho salmon (O. kisutch) in Puget Sound, Washington

Abstract: Abstract-Migratory behavior af-

Cited by 5 publications

References 18 publications

Multidecadal Trends in Body Size of Puget Sound Chinook Salmon: Analysis of Data from the Tengu Derby, a Culturally Unique Fishery

Multidecadal Trends in Body Size of Puget Sound Chinook Salmon: Analysis of Data from the Tengu Derby, a Culturally Unique Fishery

Diverse and changing use of the Salish Sea by Pacific salmon, trout, and char

Movements of anadromous coastal cutthroat trout (Oncorhynchus clarkii clarkii) in Puget Sound, Washington, USA

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