Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1997

Marsh, Douglas M.; Harmon, Jerrel R.; Paasch, Neil N.; Thomas, Kenneth L.; McIntyre, Kenneth W.; Sandford, Benjamin P.; Matthews, Gene M.

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1997

1998
By Marsh, Douglas M. ; Harmon, Jerrel R. ; Paasch, Neil N. ; ...

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Personal Author:

Marsh, Douglas M. ; Harmon, Jerrel R. ; Paasch, Neil N. ; Thomas, Kenneth L. ; McIntyre, Kenneth W. ; ... More +

Marsh, Douglas M. ; Harmon, Jerrel R. ; Paasch, Neil N. ; Thomas, Kenneth L. ; McIntyre, Kenneth W. ; Sandford, Benjamin P. ; Matthews, Gene M. Less -
Corporate Authors:

Northwest Fisheries Science Center (U.S.). Fish Ecology Division. ; United States. Army. Corps of Engineers. Walla Walla District.

Northwest Fisheries Science Center (U.S.). Fish Ecology Division. ; United States. Army. Corps of Engineers. Walla Walla District. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center) Less -
Description:

The National Marine Fisheries Service began an estuarine release study in 1992 to assess whether survival of transported steelhead trout smolts released in the estuary would be greater than that oftransported smolts released further upstream at our established release site below Bonneville Dam. We completed the 3-year smolt marking phase ofthis study in spring 1994 and are now in the adult recovery phase. Complete adult returns for the 1992 smolt marking year were reported by Marsh et al. (1997), and those for the 1993 smolt marking year are reported here. We also recovered age-3-ocean steelhead from the third year of smolt marking in 1994. Adult returns for all 3 study years were much lower than expected, with total adult returns to Lower Granite Dam for the 1993 study year of only 99 fish from the Tongue Point release (0.16% ofthe juveniles released) and 130 fish from the Skamania Light release (0.19% ofthe juveniles released). Results for the 1993 study year did not show a statistical difference in return rates between the Tongue Point and Skamania Light releases. For the 1994 study year, preliminary adult returns to Lower Granite Dam totaled 120 (0.20% ofthe juveniles released) fish for the Tongue Point release and 49 (0.07% ofthe juveniles released) fish for the Skamania Light release. When adult returns are complete, these low adult return rates may preclude any meaningful statistical analysis.
Keywords:

[+]

Effect Of Dams On Migration Pacific Salmon Steelhead (Fish) Transportation
Format:

PDF
Document Type:

Non-series Report
Funding:

Contract no. E86990099
Place as Subject:

Columbia River ; Snake River (Wyo.-Wash.)

Columbia River ; Snake River (Wyo.-Wash.) Less -
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:f7941c00cbe411a041ca647fca1738a465fb2c8ced7a21f6ce8cd56da1c08d9f
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https://repository.library.noaa.gov/view/noaa/50376/noaa_50376_DS1.pdf
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Research related to transportation of juvenile salmonids on the Columbia and Snake Rivers, 1997

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