Diablo canyon power plant site ecological study Quarterly Report No. 1; July 1 - September 30, 1973

Gotshall, Daniel W. and Laurent, Laurence L. and Ebert, Earl E. (1973) Diablo canyon power plant site ecological study Quarterly Report No. 1; July 1 - September 30, 1973. Long Beach, CA, California Department of Fish and Game, Marine Resources Region, (Marine Resources Region Administrative Report, 73-9)

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Abstract

The second phase of ecological studies at the Diablo Canyon Power Plant site was initiated in July 1973. The first, phase conducted during 1970-71 involved baseline ecological surveys with special reference to abalone and bony fishes. The objectives of this second phase are to quantitativey monitor abalone and algal communities, including predators and competitors, along permanent intertidal and subtidal transects established during the first phase. During the quarter nine permanent transects were located and marked with new buoys. Surveys on seven of these transects were completed, and the commercial sea urchin and red abalone fisheries operating in the Diablo Cove area were monitored. Sea otter activities between Diablo Cove and Pt. Buchon were recorded to determine the location of the herd and their general food habits. Little evidence of feeding activity has been observed in Diablo Cove. Temperature tolerance studies, began in March 1973 on red abalones, were continued. Problems in obtaining viable abalone larvae hampered this project.(11pp.)

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