Cited by 35Fish Ecology and Management StudiesGenetic diversity and population structureMarine and fisheries research

Genetic Stock Composition of Subyearling Chinook Salmon in Seasonal Floodplain Wetlands of the Lower Willamette River, Oregon

Teel, David J., Baker, Cyndi, Kuligowski, David R., Friesen, Thomas A., Shields, Barbara·2009·Transactions of the American Fisheries Society

Abstract

We used genetic identification methods to examine the stock composition of subyearling Chinook salmon Oncorhynchus tshawytscha in floodplain wetland and main‐stem habitats of the lower Willamette River, Oregon. Using a microsatellite DNA baseline of 13 standardized loci and 30 Columbia River basin populations, we analyzed 280 subyearlings collected in winter and spring 2005‐2006 from wetland and main‐stem river sites. Genetic stock identification analysis indicated that spring Chinook salmon originating from the Willamette River made up a substantial proportion of the samples and contributed 16‐71% to sample mixtures representing the wetland habitat sites. Fall Chinook salmon from lower Columbia River sources were also present and contributed 58% of winter samples. Spring Chinook salmon from lower Columbia River populations were present in both wetland (17%) and river (16%) samples in spring 2005, and subyearlings from summer‐fall‐run populations in the middle and upper Columbia River contributed to spring wetland samples in 2006 (26%). The results suggest that floodplain restoration projects intended to improve fish habitats during winter and spring periods in the lower Willamette River may benefit Chinook salmon populations from the upper Willamette River, lower Columbia River, and upper Columbia River summer‐fall evolutionarily significant units.

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Crossref · 10.1577/t08-084.1

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Authors
Teel, D. J., Baker, C., Kuligowski, D. R., Friesen, T. A., & Shields, B.
Affiliations
  • National Oceanic and Atmospheric Administration (US)
  • Oregon State University (US)
  • Oregon Department of Fish and Wildlife (US)
Corresponding author
Teel, David J.
Venue
Transactions of the American Fisheries Society
Published
2009-01
Volume
138
Issue
1
Pages
211-217
ISSN
  • 0002-8487 (ISSN-L)
  • 1548-8659
OpenAlex
W2111091299
Cited by
35
References
25
Citations by year
2026: 1 · 2025: 1 · 2021: 1 · 2020: 1 · 2019: 3 · 2018: 2 · 2017: 1 · 2016: 3 · 2015: 3 · 2014: 5 · 2013: 5 · 2012: 4
FWCI
2.39
Type
journal article
Language
en
Open access
closed
Locations
Transactions of the American Fisheries Society (publishedVersion)
Funders
U.S. Army Corps of Engineers
Topics
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
  • Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
Keywords
Oncorhynchus tshawytscha, subyearling salmon, floodplain wetlands, seasonal habitat use, Columbia River Basin, microsatellite DNA, hatchery-origin fish, floodplain restoration, evolutionarily significant units

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