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Abstract -- This is an historic and contemporary review of four types of human intervention that have shaped the present population structures and productivity of salmon and steelhead in the Clackamas River....
Abstract -- Recovery and conservation of naturally self-sustaining salmon populations is a central goal of the Oregon Plan for Salmon and Watersheds. In 1998, the Oregon Department of Fish and Wildlife (ODFW)...
Abstract -- The Fifteenmile Creek watershed in North Central Oregon hosts a native population of steelhead (Oncorhynchus mykiss) that is without influence of previous hatchery augmentation. The Fifteenmile...
Abstract -- Smolts of spring Chinook salmon Oncorhynchus tshawytscha experience substantial mortality while migrating through free-flowing reaches of the Snake River basin before reaching Lower Granite Dam, the...
Abstract -- The Grande Ronde Basin once supported large runs of chinook salmon Oncorhynchus tshawytscha and estimated peak escapements in excess of 10,000 occurred as recently as the late 1950’s (U.S. Army...
Abstract -- This watershed assessment contains information on historical conditions, channel habitat types, hydrology and water use, riparian conditions, sediment sources, channel modifications, water quality,...
Abstract -- This exhaustive report analyzes the Kilchis River watershed, one of five river systems that enter Tillamook Bay, and includes these sections: watershed characteristics, land use, hydrology, stream...
Abstract -- Tenmile Lakes were sampled to assess the dynamics of the potentially toxic blue-green algal species, Microcystis aeruginosa and Anabaena flos-aquae. Microcystis produces hepatotoxins (known as...
Abstract -- BACKGROUND
Abstract -- Oregon developed a conservation plan known as Oregon's Coastal Salmon Restoration Initiative (OCSRI) to guide the protection and restoration of anadromous fish in coastal river basins. The four...