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Cited by 57Fish Ecology and Management StudiesMarine and fisheries researchEcology and biodiversity studies

Juvenile salmonid use of reconnected tidal freshwater wetlands in Grays River, lower Columbia River basin

Roegner, G. Curtis, Dawley, Earl W., Russell, Micah, Whiting, Allan, Teel, David J.·2010·Transactions of the American Fisheries Society
DOI 10.1577/t09-082.1
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Abstract

Degraded wetland systems with impaired hydraulic connections have resulted in diminished habitat opportunity for salmonid fishes and other native flora and fauna in the Pacific Northwest. Many of these lost habitats were once intertidal freshwater marshes and swamps. Restoration of these systems is effected in part by reestablishing tidal processes that promote connectivity, with a central goal of restoring rearing habitat for juvenile Pacific salmon Oncorhynchus spp. In the Grays River tidal freshwater system of Washington, we measured hydrologic changes that resulted from the removal of tide gates from diked pastureland and we determined the subsequent time series of salmonid abundance and size frequency in the restoring marshes. Dike breaching caused an immediate return of full semidiurnal tidal fluctuations to the pasturelands. Juvenile Pacific salmonids quickly expanded into this newly available habitat and used prey items that were presumably produced within the marshes. Habitat use varied by species and life history stage. Fry of chum salmon O. keta migrated rapidly through the system, whereas populations of Chinook salmon O. tshawytscha and coho salmon O. kisutch resided from March to at least July and were composed of fry, fingerlings, and (for coho salmon) yearlings. Based on salmon size at date and the timing of hatchery releases, we concluded that most salmon sampled in restored and reference sites were the progeny of natural spawners. However, the presence of adi…

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  • Rogue River fish are known to have become naturalized in the Grays River and have perhaps naturalized elsewhere in the Columbia River basin.

    “Rogue River fish are known to have become naturalized in the Grays River, a tributary that enters along the Washington shore of the upper estuary (Roegner et al. 2010) and have perhaps naturalized elsewhere in the Columbia River basin.”

    From Distribution, Size, and Origin of Juvenile Chinook Salmon in Shallow-Water Habitats of the Lower Columbia River and Estuary, 2002–2007 (2012) · cites this paper as Roegner et al. 2010

  • Juvenile salmon are known to move into restoring wetlands and shallow-water habitats at various life stages.

    “Juvenile salmon are known to move into restoring wetlands and shallow-water habitats at various life stages (Thorpe 1994, Bottom et al. 2005, Roegner et al. 2010).”

    From Evidence‐based evaluation of the cumulative effects of ecosystem restoration (2016) · cites this paper as Roegner et al. 2010

  • Juvenile salmon presence at wetland restoration sites is a function of water temperature, with peak abundances below 19°C although fish can be present at 23°C.

    “Juvenile salmon presence at wetland restoration sites is a function of water temperature, whereby peak abundances are at temperatures below 19°C although fish can be present even at 23°C (e.g., Roegner et al. 2010).”

    From Evidence‐based evaluation of the cumulative effects of ecosystem restoration (2016) · cites this paper as Roegner et al. 2010

  • The stock-specific density of juvenile salmon in restoring wetland habitats is a negative function of the distance of the natal stream from the wetland, with proportionally greater representation from local stocks than distant stocks in LCRE wetlands.

    “there is proportionally greater representation from local stocks than more distant stocks in LCRE wetlands (Roegner et al. 2010, 2012, Teel et al. 2014).”

    From Evidence‐based evaluation of the cumulative effects of ecosystem restoration (2016) · cites this paper as Roegner et al. 2010

  • Intensive studies of three restoration sites in the LCRE indicated positive responses by salmon.

    “However, intensive studies of three restoration sites in the LCRE indicated positive responses by salmon (Roegner et al. 2010, Haskell andTiffan 2011; U.S. Fish and Wildlife Service, unpublished data).”

    From Evidence‐based evaluation of the cumulative effects of ecosystem restoration (2016) · cites this paper as Roegner et al. 2010

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Authors
Roegner, G. C., Dawley, E. W., Russell, M., Whiting, A., & Teel, D. J.
Affiliations
  • National Oceanic and Atmospheric Administration (US)
  • National Oceanic and Atmospheric Administration–Fisheries Northwest Fisheries Science Center Point Adams Biological Field Station Box 155 Hammond Oregon 97121 USA
  • Columbia River Estuary Study Taskforce 750 Commercial Street, Room 205 Astoria Oregon 97103 USA
Corresponding author
Roegner, G. Curtis
ORCID
Venue
Transactions of the American Fisheries Society
Publisher
Oxford University Press (OUP)
Published
2010-07
Volume
139
Issue
4
Pages
1211-1232
ISSN
  • 0002-8487 (ISSN-L)
  • 1548-8659
DOI
10.1577/t09-082.1
OpenAlex
W2070166079
Cited by
57
References
63
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 3 · 2018: 2 · 2017: 5 · 2016: 4 · 2015: 5 · 2014: 9 · 2013: 5 · 2012: 7
FWCI
5.08
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor, 192 d)
Locations
Transactions of the American Fisheries Society (publishedVersion)
Funders
  • U.S. Army Corps of Engineers
  • National Fish and Wildlife Foundation
Topics
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
  • Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
  • Physical Sciences › Environmental Science › Ecology › Ecology and biodiversity studies
Keywords
juvenile salmonids, tidal freshwater wetlands, wetland restoration, dike breach, intertidal marshes, Pacific salmon, chum salmon, Oncorhynchus tshawytscha, coho salmon, stock mixing, habitat connectivity, hydrological restoration

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