Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: A qualitative study of the effects of sewage pollution on the carotenoid pigments in the stalked barnacle, Pollicipes polymerus
Student Author(s): Brennan, Anne P.
Faculty Advisor(s): Lee, Welton
Pages: 27
Location: Final Papers Biology 175H
Date: June 1971
Keywords: marine pollution
Abstract: 1. Qualitative studies of reproduction and quantitative studies of total and individual carotenoid content in the stalked barnacle Pollicipes polymerus were carried out for animals in polluted and non polluted areas in the Monterey Bay area of California. 2. Reproductive activity was retarded in areas very close to point sources of pollution. 3. The total carotenoid content in the stalk fluid of Pollicipes was invariably lowest in animals close to point sources of pollution, concomitantly, the amount of carotenoid tended to increase with increasing distance from such pollution sources. 4. It was suggested that total carotenoid content may be effected by proximity to sewage effluent whereas astaxanthin content may be specifically effected by increased chlorine concentrations. 5. Possible mechanisms governing the decrease in Pollicipes carotenoid content are discussed.