Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: The distribution and effects of the lichen Arthopyrenia sublitoralis on the shell of the limpet Collisella digitalis
Student Author(s): Mertes, Leal Anne Kerry
Faculty Advisor(s): Burnett, Robin
Pages: 18
Location: Final Papers Biology 175H
Date: June 1980
Keywords: symbiosis at the seashore
Abstract: The infection by Arthopyrenia sublitoralis in the shells of Collisella digitalis superficially appears to affect the strength of the shell material. A series of three tests designed to measure the effects the lichen may have on the erodibility and, indirectly, the strength of the shell, indicate that the infection is having no effect.