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Abstract -- Possible risks of artificial propagation programs have been well documented. Hazards include disease transfer, competition for food and spawning sites, increased predation, increased incidental mortality ...
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12. [Article] 2007 Oregon Chub Investigations Progress Reports 2007
Abstract -- Oregon chub Oregonichthys crameri, small minnows endemic to the Willamette Valley, were federally listed as endangered under the Endangered Species Act in 1993. Factors implicated in the decline ...Citation -
13. [Article] Spring Chinook Salmon in the Willamette and Sandy Rivers, October 2003 through September 2004
Abstract -- The Oregon Fish and Wildlife Commission adopted the Native Fish Conservation Policy (ODFW 2003a) and the Hatchery Management Policy (ODFW 2003b) in part to reduce adverse impacts of hatchery ...Citation -
Abstract -- Bull trout have been adversely affected by many land, water, and fisheries management activities throughout the range of the species. Degraded and fragmented habitat and negative interactions with ...
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Abstract -- Coastal Oregon populations of Pacific lamprey Lampetra tridentata and western brook lamprey L. richardsoni are considered depressed due to habitat loss and passage problems (Close et al. 2002, ...
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Abstract -- Task 1.1: Distribution, Abundance, and Proportion of Hatchery and Natural-Origin Chinook Salmon: Counts of spring Chinook redds were similar in 2010 compared to the 2002–2009 averages for the ...
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Abstract -- The National Marine Fisheries Service (NMFS) has listed spring chinook salmon(Oncorhynchus tshawytscha) and winter steelhead (O. mykiss) in the Upper Willamette River Evolutionarily Significant ...
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Abstract -- Possible risks of artificial propagation programs have been well documented. Hazards include disease transfer, competition for food and spawning sites, increased predation, increased incidental ...
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Abstract -- Borax Lake chub (Gila boraxobius) is represented by a single population that inhabits a 4.1 hectare geothermally-heated alkaline lake in Harney County, Oregon. The Borax Lake chub is a small ...
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20. [Article] Spring Chinook Salmon in the Willamette and Sandy Rivers, Progress Reports 2003, F-163-R-08
Abstract -- The Willamette and Sandy rivers support intense recreational fisheries for spring chinook salmon (Oncorhynchus tshawytscha). Fisheries in these basins rely primarily on annual hatchery releases ...Citation