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Bio
In our experimental work with Zvika Abramsky (in the Negev Desert, Israel), we pursue the dream of understanding species interactions as the result of optimal behavior of individuals. We built theories to make this possible and we have been testing them successfully in the field. Two common Negev gerbil species are the centerpiece of those tests. The habitat use of these gerbils responds in optimal ways to changes in their population sizes. Our theory also predicts significant non-linearities in population dynamics that are confirmed by the field experiments. Recently, we have used trained barn owls to add predation to the mixture of interactions. Gerbils have reacted much more strongly to predation than to competition. They have also given us the first experimental field evidence for predator-mediated mutualism in small populations of victims. Our most recent investigations explore the gerbils' abilities to combine different foraging opportunities and costs in order to behave optimally.
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Papers共 162 篇Author StatisticsCo-AuthorSimilar Experts
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PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCESno. 1907.0 (2019): 20190826
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AGING IS A GROUP-SELECTED ADAPTATION: THEORY, EVIDENCE, AND MEDICAL IMPLICATIONS (2017)
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