Eagle Creek National Fish Hatchery Winter Steelhead Program PDF Download
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Category : Fish hatcheries
Languages : en
Pages : 0
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Author:
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ISBN:
Category : Fish hatcheries
Languages : en
Pages : 0
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Category : Coho salmon
Languages : en
Pages : 85
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Category : Fish hatcheries
Languages : en
Pages : 68
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Category : Fish hatcheries
Languages : en
Pages : 104
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Author: William R. Brignon
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Category : Steelhead (Fish)
Languages : en
Pages : 250
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Book Description
To best manage Eagle Creek National Fish Hatchery and minimize any negative impacts that the current hatchery program may be having on Endangered Species Act-listed salmonids in the Eagle Creek Basin, I determined if wild fish are being displaced from preferred habitats by hatchery salmonids Oncorhynchus spp. This thesis had two goals. The first goal was to determine the possible effect of hatchery smolts on resident salmonids. I determined the density and distribution of wild juvenile steelhead O. mykiss and coho salmon O. kisutch in Eagle Creek and North Fork Eagle Creek, Oregon. My first objective was to compare summer rearing densities and distributions of wild salmonids in Eagle Creek, which receives a release of hatchery fish, and North Fork Eagle Creek, which does not receive a release of hatchery fish. Next, I determined if residual hatchery winter steelhead were present in Eagle Creek and/or North Fork Eagle Creek and if so whether or not they have an impact on mesohabitat selection, distribution, and density of wild fish in Eagle Creek basin. By conducting a comprehensive snorkel survey I identified significantly higher densities (P
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Category :
Languages : en
Pages : 640
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Author: Montgomery Watson
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Category : Anadromous fishes
Languages : en
Pages :
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Category : Fish hatcheries
Languages : en
Pages : 65
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Category : Delegated legislation
Languages : en
Pages : 364
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Author: Columbia Basin Fish and Wildlife Authority
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Category : Anadromous fishes
Languages : en
Pages : 560
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"This particular part of the Integrated System Plan addresses the role of supplementation as one of the strategies that may be used for restoring natural production of anadromous salmonid populations in the Columbia River Basin."--Introduction
