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Abstract

Salamanders of the family Plethodontidae comprise the most common salamanders in eastern North America. It is not uncommon for more than 10 plethodontid species to occur syntopically in one creek. The purpose of this research was to determine whether the spatial distribution of one species affected the spatial distribution of other species. Geographic Information System technology and nearest-neighbor analyses were used to determine the spatial distributions of three species of the salamander genus Desmognathus. The analysis demonstrates that D. ochrophaeus and D. monticola change their spatial use from a random distribution during the day to a clumped distribution during evening hours. The data also suggest the D. monticola moves into the creek during evening hours.

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