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  • Knowledge of how stream habitats change over time in natural and human-influenced ecosystems at large, regional scales is currently limited. A historical stream survey (1934-1945) was compared to current ...
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  • Abstract -- Fishery managers are commonly tasked with the basic question "Will the contemporary habitat above a barrier support the fish populations that historically resided in the watershed?" Managers ...
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  • The U.S. Bureau of Fisheries (now National Marine Fisheries Service) conducted stream habitat surveys in the Upper Grande Ronde River Basin in 1941. This survey was part of an extensive inventory of stream ...
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  • Abstract -- The Aquatic Inventories Project is designed to provide quantitative information on habitat condition for streams throughout Oregon. This information is used to provide basic information for ...
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  • Abstract -- Monitoring programs under the Oregon Plan for Salmon and Watersheds were designed to assess the status and trend in fish populations and aquatic habitat in Oregon’s coastal basins. Although ...
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  • 6. [Image] Sunbean Dam
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    Sunbeam Dam on the Salmon River in Idaho, close to US 93
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  • 7. [Image] Stream survey
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  • Abstract -- A variety of methods have been used to estimate the number of spring/summer Chinook salmon returning to spawn in Northeast Oregon streams. However, little quantitative information has been ...
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  • Land use practices can be a contributing factor to environmental degradation and have been the focus of many ecological studies. One aspect that is less addressed is land use history and the effects that ...
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  • 10. [Image] Salt Creek Falls
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    285 foot falls on Salt Creek, tributary to Middle Fork Willamette River;1937-09-10
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