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 4 of 4 for “"Predation risks"”.
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The Effects of Multiple Predator Species on the Prey's Risk of Predation
Understanding whether a prey's risk of predation from individual predator species can be summed together to predict the predation risk when multiple predator species are together is crucial for predicting community dynamics. Observed predation risks can either match the predictions of a null model …
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Approche expérimentale des comportements d'anti-prédation chez le tilapia du Nil (Oreochromis niloticus): détection and évaluation des risques de prédation par les juvéniles
Les juvéniles de tilapia du Nil, issus de génération successives élevées en pisciculture depuis 70 ans, sont toujours capables de reconnaitre une menace prédatrice. Ils s'avèrent capables d'adapter leurs comportements face à différents niveau de risques de prédations (absence de prédateur, …
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Regulação de areas de forrageamento e estruturação de comunidades de cupins
A utilização do hábitat pelos animais depende do balanço entre os custos e benefícios envolvidos durante o forrageamento, como disponibilidade de recursos e interações negativas. Os cupins (Insecta: Isoptera) são organismos detritívoros que apresentam grande importância econômica e ecológica. No …
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Movement ecology and habitat use of Canada geese using major metropolitan areas in the context of human-wildlife conflicts
… Differences in habitat resources and predation risks across the rural to urban gradient of the upper Midwest shape the movement and behavioral ecology of Canada geese, requiring unique life history strategies to maximize survival through-out the annual cycle. Winter is an energetically …