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Author: Eric Hockersmith
Publisher:
ISBN:
Category : Animal radio tracking
Languages : en
Pages : 29
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Book Description
Author: Eric Hockersmith
Publisher:
ISBN:
Category : Animal radio tracking
Languages : en
Pages : 29
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 98
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Book Description
A 4-year radio-telemetry study was made of steelhead in the Yakima River basin, with the objectives of determining the run timing, passage patterns at irrigation diversion dams, and morphometric characteristics of different Yakima basin steelhead substocks and determining where and when the substocks become separated; evaluating adult steelhead passage at Yakima River basin diversion dams; determining steelhead migration, temporal distribution, and habitat utilization in the Yakima River basin; identifying spawning distribution and timing of steelhead; and determining the amount and cause of pre-spawning mortality of radio-tagged steelhead. Recommendations are given.
Author:
Publisher:
ISBN:
Category : Animal radio tracking
Languages : en
Pages : 95
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 34
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Book Description
Rainbow trout populations in the upper Yakima River Basin have increased due to reduced competition from declining populations of steelhead, chinook salmon, and coho salmon. Changing population abundances have increased the potential for interactions between rainbow trout and steelhead. In 1993, NMFS, in cooperation with WDW, proposed a 1-year radio-telemetry study to determine the spawning distribution, timing, and behavior of rainbow trout in the upper Yakima River Basin. Specific objectives were to: (1) Determine the spatial and temporal spawning distributions of rainbow trout in the upper Yakima River Basin. (2) Describe post-spawning behavior of rainbow trout in the upper Yakima River Basin. (3) Determine the magnitude and causes of mortalities to rainbow trout that were radio- tagged.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 101
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As part of the presupplementation planning, baseline data on the productivity of spring chinook salmon (Oncorhynchus tshawytscha) in the Yakima River have been collected. However, for adult salmonids, data on habitat use, delays in passage at irrigation diversions, migration rates, and substock separation had not been previously collected. In 1991, the National Marine Fisheries Service began a 2-year radio-telemetry study of adult spring chinook salmon in the Yakima River Basin. Specific objectives addressed in this study were: to determine spawning populations' run timing, passage patterns at irrigation diversion dams, and morphometric characteristics to determine where and when substocks become separated; to evaluate fish passage at Yakima River Basin diversion dams including Prosser, Sunnyside, Wapato, Roza, Town Diversion, Easton, Cowiche, and Wapatox Dams; to determine spring chinook salmon migration rates between Yakima River Basin dams, prespawning behavior, temporal distribution, and habitat utilization; to identify spawning distribution and timing of spring chinook salmon; to determine the amount and cause of prespawning mortality of spring chinook salmon; and to evaluate adult fish-handling procedures for the right-bank, adult-trapping facility at Prosser Dam.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 794
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 478
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Book Description
Author:
Publisher: Office of Technology Assessment
ISBN:
Category : Nature
Languages : en
Pages : 180
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Author:
Publisher: DIANE Publishing
ISBN: 1428920161
Category :
Languages : en
Pages : 174
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Book Description
The focus of this report is technologies for fish passage around hydropower generation facilities and protection against entrainment and turbine mortality. Emphasis is given to Federal Energy Regulatory Commission (FERC)-licensed hydropower projects where fish protection is a subject of controversy and congressional interest due to the Federal Power Act (FPA) and the Electric Consumers Protection Act (ECPA). Thus institutional issues related to FERC-relicensing are also discussed. (Major points of controversy are high-lighted in box 1.1).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
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Book Description
