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Abstract
We described behavior and estimated passage and survival parameters of juvenile salmonids during spring and summer migration periods at Lower Granite Dam in 2006. During the spring, the study was designed to examine the effects of the Behavioral Guidance Structure (BGS) by using a randomized-block BGS Stored / BGS Deployed treatment design. The summer study was designed to compare passage and survival through Lower Granite Dam using a randomized-block design during two spill treatments while the BGS was in the stored position. We used the Route Specific Survival Model to estimate survival and passage probabilities of hatchery yearling Chinook salmon, hatchery juvenile steelhead, and hatchery and wild subyearling Chinook salmon. We also estimated fish guidance efficiency (FGE), fish passage efficiency (FPE), Removable Spillway Weir passage effectiveness (RPE), spill passage effectiveness (SPY), and combined spill and RSW passage effectiveness.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | Other Government Series |
| Title | Survival and migration behavior of juvenile salmonids at Lower Granite Dam, 2006 |
| Year Published | 2008 |
| Language | English |
| Publisher | U.S. Army Corps of Engineers |
| Contributing office(s) | Western Fisheries Research Center |
| Description | xx., 96 p. |
| Country | United States |
| State | Idaho, Oregon,Washington |
| Other Geospatial | Clearwater River, Columbia River, Snake River |
| Google Analytic Metrics | Metrics page |