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An Evaluation Of The Effects Of Spill Basin Drilling On Salmon And Steelhead Passage At Lower Monumental Dam In 2002 Using Radio-Telemetry Item Info
- Title:
- An Evaluation Of The Effects Of Spill Basin Drilling On Salmon And Steelhead Passage At Lower Monumental Dam In 2002 Using Radio-Telemetry
- Report Type:
- Technical Report
- Date:
- 2004
- Authors:
- Jepson, M.A.; Joosten, D.C.; Peery, C.A.; Moser, M.L.
- Affiliations:
- Idaho Cooperative Fish and Wildlife Research Unit; National Marine Fisheries Service, National Oceanic and Atmospheric Administration
- Report Number:
- 2004-6
- Publisher:
- University of Idaho
- Funder:
- U.S. Army Corps of Engineers, Walla Walla District
- Abstract:
- Construction work associated with a new spill basin bottom occurred during the evening hours (1600-0230 hrs) on 46 of the 61 days between 19 August and 18 October 2002 at Lower Monumental Dam. We monitored the movements of adult fall Chinook salmon Oncorhynchus tshawytscha and steelhead O. mykiss outfitted with radio transmitters and determined the time they used to make their first approach and first entrance at a monitored fishway opening, and their total time to pass the dam. We compared values from 2002, when construction occurred, with those from the preceding two years, prior to construction. We additionally compared the proportionate use by salmon and steelhead of the three available openings (orifice gates were closed in 2000-2002) to first approach and first enter the dam. We also examined proportionate use of the two fish ladders to pass the dam. All of these comparisons were made across the three years to evaluate any changes in adult fish behavior that may have been associated with construction activity.
- Concepts:
- salmonids; Federal Columbia River Power System; FCPRS; radiotelemetry; migration; passage behavior; fishways; spill basins
- Species:
- Steelhead, Oncorhynchus mykiss Chinook salmon, Oncorhynchus tshawytscha
- Location:
- Bonneville Dam; Columbia River; Snake River; Lower Monumental Dam
- Subjects:
- salmonids Federal Columbia River Power System FCPRS radiotelemetry migration passage behavior fishways spill basins
- Source:
- University of Idaho, Fish Ecology Research Lab
- Original Filename:
- 2004-06-Effects-of-spill-basin-drilling-on-CK-SH-Lower-Monumental-2002.pdf
- Format:
- application/pdf
- Language:
- eng
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- Citation:
- "An Evaluation Of The Effects Of Spill Basin Drilling On Salmon And Steelhead Passage At Lower Monumental Dam In 2002 Using Radio-Telemetry", Adult Salmon and Steelhead Migration Studies: 1996-2014, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/ferl/items/ferl-tr-2004-6.html
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