Umatilla Basin Natural Production Monitoring and Evaluation; 1995-1996 Annual Report. [electronic resource]

This report summarizes the activities of the Umatilla Basin Natural Production Monitoring and Evaluation Project (UBNPME) from September 30, 1995 to September 29, 1996. This program was funded by Bonneville Power Administration and was managed under the Fisheries Program, Department of Natural Resou...

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Bibliographic Details
Online Access: Online Access
Corporate Author: United States. Bonneville Power Administration (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Portland, Ore. : Oak Ridge, Tenn. : United States. Bonneville Power Administration ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1997.
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MARC

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245 0 0 |a Umatilla Basin Natural Production Monitoring and Evaluation; 1995-1996 Annual Report.  |h [electronic resource] 
260 |a Portland, Ore. :  |b United States. Bonneville Power Administration ;  |a Oak Ridge, Tenn. :  |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,   |c 1997. 
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500 |a ": Contract BI79-75349" 
500 |a Contor, Craig R.; Kissner, Paul; Volkman, Jed. 
500 |a Confederated Tribes of the Umatilla Indian Reservation, Dept. of Natural Resources, Pendleton, OR (United States) 
500 |a United States. Bonneville Power Administration. Division of Fish and Wildlife. 
520 3 |a This report summarizes the activities of the Umatilla Basin Natural Production Monitoring and Evaluation Project (UBNPME) from September 30, 1995 to September 29, 1996. This program was funded by Bonneville Power Administration and was managed under the Fisheries Program, Department of Natural Resources, Confederated Tribes of the Umatilla Indian Reservation. The goal was to evaluate the implementation of the Umatilla River Basin fisheries restoration plan with respect to natural production, adult passage, and tribal harvest. An estimated 56.1 river miles (RM) of habitat was inventoried on the lower Umatilla River (RM 0--56.1) from June 4, to August 1, 1996. The majority of the lower River was found to be too polluted and physically altered to provide suitable rearing or migration habitat for salmonids during the summer. High water temperatures, irrigation withdrawals, altered channels, and urban and agricultural pollution all contributed to degrade the lower Umatilla River. Small springs provided cooler waters and created small areas that were suitable for salmonid rearing. The river below the mouth of Mckay Creek (RM 27.2 to 50.6) was also cooler and more suitable to salmonid rearing when water was released from Mckay Dam. Two hundred sixty-three of 1,832 (14.4%) habitat units were electrofished from June 19 to August 29, 1996. The number of natural juvenile salmonids captured between RM 1.5--52.4 follow: (1) 141 juvenile steelhead (including resident rainbow trout; Oncoryhnchus mykiss), (2) 13 mountain whitefish (Prosopium williamsoni, including adults), (3) four chinook salmon (O. tshawytscha), and (4) two coho salmon (O. kisutch). The expanded population estimate for the areas surveyed was 2,445 salmonids. Mean density was 0.147 salmonids/100 square meter. Mean density of fast water habitat types was 4.5 times higher than slow water types (0.358 and 0.079 s/100 m² 
520 0 |a Fishes - Oregon - Umatilla River - Reproduction. 
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650 7 |a Hydroelectric Power Plants.  |2 local. 
650 7 |a Dams.  |2 local. 
650 7 |a Biological Effects.  |2 local. 
650 7 |a Fishes.  |2 local. 
650 7 |a Population Dynamics.  |2 local. 
650 7 |a Rivers.  |2 local. 
650 7 |a Monitoring.  |2 local. 
650 7 |a Habitat.  |2 local. 
650 7 |a Experimental Data.  |2 local. 
650 7 |a Hydro Energy.  |2 edbsc. 
650 7 |a Environmental Sciences.  |2 edbsc. 
710 2 |a United States.  |b Bonneville Power Administration.  |4 res. 
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