The effect of ontogeny on interspecific interactions in larval amphibians

M. J. Sredl, James Collins

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Assessed the relative importance of predator density, prey density and time of prey introduction on interactions between larval salamanders Ambystoma tigrinum and their anuran prey Pseudacris triseriata, and examined how these interactions affected mass at metamorphosis, length of larval period, growth rate, and survival. Microhabitat differences in primary productivity, sources of predation other than salamanders, and abiotic factors were important determinants of community structure. High levels of salamander predation negatively affected tadpole survival, but affected no other response variable. Tadpoles in the early predator introduction treatment had longer larval periods and lower survival rates than those in the late treatment. Intaractions of factors, including time of introduction, were common. -from Authors

Original languageEnglish (US)
Pages (from-to)2232-2239
Number of pages8
JournalEcology
Volume72
Issue number6
DOIs
StatePublished - Jan 1 1991

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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