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dc.creatorSt. John, F. Leeen_US
dc.identifier.citationThe Ohio Journal of Science. v82, n5 (December, 1982), 242-246en_US
dc.descriptionAuthor Institution: Department of Zoology, The Ohio State Universityen_US
dc.description.abstractThe crayfish and bivalve fauna of 2 stream systems in an ancient valley in southwestern Ohio were examined. The distribution of the various species was mapped and the topography and environmental conditions of each collecting site were noted. The greatest diversity of species was usually found at the edge of the valley, while environmentally stressed sites harbored neither decapods nor bivalves. One species of crayfish, Orconectes sloanii, was found in the northwestern drainage system of the valley, but not in the southeastern drainage system, even though the 2 stream systems were once connected.en_US
dc.format.extent349149 bytes
dc.titleCrayfish and Bivalve Distribution in a Valley in Southwestern Ohioen_US

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