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Aspects of the Larval Ecology of Five Plethodontid Salamanders of the Western Ozarks

D. Craig Rudolph
The American Midland Naturalist
Vol. 100, No. 1 (Jul., 1978), pp. 141-159
DOI: 10.2307/2424785
Stable URL: http://www.jstor.org/stable/2424785
Page Count: 19
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Aspects of the Larval Ecology of Five Plethodontid Salamanders of the Western Ozarks
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Abstract

The larval ecology of five locally sympatric species of salamanders was investigated in NE Oklahoma. The data indicated a considerable degree of spatial segregation determined, at least in part, by species interactions. Similarities in prey composition and habitat use also suggested the possibility of competitive interaction. Temperature preference, effects of floods and effects of fish predation were evaluated experimentally, and these data, in conjunction with field observation, lead to the conclusion that these factors were not primary causes of the spatial patterns observed in the field. Competition for optimum habitats was suggested as the primary cause and this is now being investigated by field manipulation of larval populations.

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