Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: The effects of primary unchlorinated sewage on the respiration of Mytilus californianus
Student Author(s): McDowell, Richard M.
Faculty Advisor(s): Wheeler, Ellsworth
Pages: 24
Location: Final Papers Biology 175H
Date: June 1970
Keywords: sewage pollution
Abstract: California sea mussels (Mytilus californianus) of 2 to 5 cm length were collected from intertidal areas in Pacific Grove, California, during May. they were placed in various dilutions of primary unchlorinated sewage and their respiration was measured. Results indicate that sewage causes changes in respiratory activity, and that high concentrations are extremely toxic. An attempt was made to isolate the toxic factors but proved unsuccessful. Data for the excretion of dissolved inorganic phosphate by the mussels are also presented.