Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Predatory pressure"”.
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Assessment of the Endangered Species <i>Podarcis carbonelli</i> on a Microgeographic Scale: A Molecular, Morphological and Physiological Approach
… populations can be attributed to differences in predatory pressure or home range size. It is suggested that the island populations are closely monitored due to their likely isolation, low mtDNA diversity and possible higher predatory pressure than initially predicted.
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Biotic and abiotic influences on aggressive interactions within larval <i> Ambystoma</i> assemblages
… invertebrate prey density, and presence of predatory odonate naiads. The observed patterns suggest that guild species, despite morphological and physiological similarities, exhibit unique behavioral responses through ontogeny and in response to habitat variables, suggesting that temporally …
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Three essays on environmental economics: externalities and policy implications
… decline in natural pest-control has lowered the predatory pressure on insects. Using the gradual construction of wind farms across counties, we find that sizable wind farms have resulted in an increase in insecticide use nearby.
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Foraging in space and time
… which contribute to the natural selection pressure acting on individuals. For this purpose, small mammals were exposed to different levels and types of predation risk while actively foraging. Individuals were either exposed to different predator types (airborne or ground) or combinations of …