Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Trace metal levels in intertidal molluscs of California
Student Author(s): Graham, David L.
Faculty Advisor(s): Abbott, Donald
Pages: 19
Location: Final Papers Biology 175H
Date: June 1971
Keywords: marine pollution
Abstract: Determinations of Ag, Cd, Cr, Cu, Mn, Pb, and Zn were made by atomic absorption spectrophotometry on 7 species of Mollusca in the genera Acmaea, Tegula, Thais (gastropods), and Mytilus, Protothaca, and Tapes (bivalves). Eleven regions along the California coast from San Francisco Bay to Los Angeles were included. Separate analyses were performed on shells, and on sof portions of whole bodies. Highest levels, above 900 ppm Pb were found in bodies of Acmaea digitalis, 570 ppm Cu and 1700 ppm zn in bodies of Thais emarginata
Notes: Publ 1972, Veliger 14: 365-372