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Date of Award

1979

Document Type

Thesis

Degree Name

Master of Science (M.S.)

Department

Graduate Studies

First Advisor

Steven Obrebski

First Committee Member

James A. Blake

Second Committee Member

Edmund H. Smith

Abstract

Portunion conformis castrates the crab Hemigrapsus oregonensis. Piltz (1969) found P. conformis in both H. oregonensis and Hemigrapsus nudus. Kuris (1971) studied the interactions between P. conformis and H. oregonensis occurring in Bodega Bay, California. In the present study, interactions between this isopod and populations of both hosts in Tomales Bay, California, are described, including the influence of host species, sex and size on parasitic infestation and the effects of the parasites on secondary sexual characteristics of the hosts, as well as interactions between the effects of these variable.

Pages

39

Included in

Life Sciences Commons

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