Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Water and humidty relations in the habitat of the terrestrial isopod, Porcellio scaber
Student Author(s): Fielder, Jeannie
Faculty Advisor(s): Burnett, Robin
Pages: 19
Location: Final Papers Biology 175H
Date: June 1973
Keywords: Isopoda
Abstract: Water and humidity relations are perhaps the most important physical factors affecting populations of Porcellio scaber. Increasing humidity is positively related to increased size and increased population density. Increased water content is negatively related to increased size. As the humidity in a population varies more, the mean size of Porcellio decreases.