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Migratory Patterns of Chinook Salmon <i>Oncorhynchus tshawytscha</i> Returning to a Large, Free-flowing River Basin

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John H. Eiler, Allison N. Evans, and Carl B. Schreck, 2015, Migratory Patterns of Chinook Salmon <i>Oncorhynchus tshawytscha</i> Returning to a Large, Free-flowing River Basin: PLoS ONE, v. 10, iss. 4.

Summary

Upriver movements were determined for Chinook salmon Oncorhynchus tshawytscha returning to the Yukon River, a large, virtually pristine river basin. These returns have declined dramatically since the late 1990s, and information is needed to better manage the run and facilitate conservation efforts. A total of 2,860 fish were radio tagged during 2002–2004. Most (97.5%) of the fish tracked upriver to spawning areas displayed continual upriver movements and strong fidelity to the terminal tributaries entered. Movement rates were substantially slower for fish spawning in lower river tributaries (28–40 km d-1) compared to upper basin stocks (52–62 km d-1). Three distinct migratory patterns were observed, including a gradual decline, pronounced [...]

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Type Scheme Key
local-index unknown 70173511
local-pk unknown 70173511
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1371/journal.pone.0123127
series unknown PLoS ONE

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citationTypeArticle
journalPLoS ONE
languageEnglish
parts
typevolume
value10
typeissue
value4

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