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Title: A Fisheries Evaluation of the Richland and Toppenish/Satus Canal Fish Screening Facilities, Spring 1986 Annual Report.

The fisheries evaluation phase of diversion screen effectiveness summarizes the results of work at the Richland and Toppenish/Satus Fish screening facilities (Richland Screens and Toppenish/Satus Screens) during 1986. More than 10,000 steelhead, Salmo gairdneri, and chinook salmon, Oncorhynchus tshawytscha, were released at the screen diversions. At the Richland Screens, 61% of the released steelhead were recovered and 1.1% were descaled; 93% of the spring chinook salmon were recovered and less than 1% were descaled. At the Toppenish/Satus Screens, only steelhead were evaluated for descaling; 88.9% were recovered and 23.9% were descaled. Only steelhead were evaluated because the Yakima River fisheries managers did not expect any other smolts to occur in Toppenish Creek. Because of the acclimation conditions and the amount of time the fish had to be held before testing, some of the test population were descaled during holding and transportation. The 23.9% descaling for the test fish was compared to 26.4% for the controls.
Authors:
; ;
Publication Date:
OSTI Identifier:
6355755
Report Number(s):
DOE/BP-01830-2
ON: DE87010555
DOE Contract Number:
AC06-76RL01830
Resource Type:
Technical Report
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products. Original copy available until stock is exhausted
Research Org:
Pacific Northwest Lab., Richland, WA (USA)
Sponsoring Org:
US Bonneville Power Administration
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 20 FOSSIL-FUELED POWER PLANTS; FISHERIES; EVALUATION; BONNEVILLE POWER ADMINISTRATION; COLUMBIA RIVER BASIN; ENVIRONMENTAL EFFECTS; FEDERAL REGION X; FISH PASSAGE FACILITIES; IRRIGATION; POPULATION DYNAMICS; SALMON; ANADROMOUS FISHES; ANIMALS; AQUATIC ORGANISMS; FISHES; NATIONAL ORGANIZATIONS; NORTH AMERICA; US DOE; US ORGANIZATIONS; USA; VERTEBRATES Steelhead (Fish) - Mortality; Fish screens 520500* -- Environment, Aquatic-- Site Resource & Use Studies-- (-1989); 200200 -- Fossil-Fueled Power Plants-- Waste Management