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• W2326310646 endingPage "1750" @default.
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• W2326310646 abstract "We analyze simple models of predator‐prey systems in which there is adaptive change in a trait of the prey that determines the rate at which it is captured by searching predators. Two models of adaptive change are explored: (1) change within a single reproducing prey population that has genetic variation for vulnerability to capture by the predator; and (2) direct competition between two independently reproducing prey populations that differ in their vulnerability. When an individual predator's consumption increases at a decreasing rate with prey availability, prey adaptation via either of these mechanisms may produce sustained cycles in both species' population densities and in the prey's mean trait value. Sufficiently rapid adaptive change (e.g., behavioral adaptation or evolution of traits with a large additive genetic variance), or sufficiently low predator birth and death rates will produce sustained cycles or chaos, even when the predator‐prey dynamics with fixed prey capture rates would have been stable. Adaptive dynamics can also stabilize a system that would exhibit limit cycles if traits were fixed at their equilibrium values. When evolution fails to stabilize inherently unstable population interactions, selection decreases the prey's escape ability, which further destabilizes population dynamics. When the predator has a linear functional response, evolution of prey vulnerability always promotes stability. The relevance of these results to observed predator‐prey cycles is discussed." @default.
• W2326310646 created "2016-06-24" @default.
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• W2326310646 date "1997-12-01" @default.
• W2326310646 modified "2023-10-17" @default.
• W2326310646 title "PREY ADAPTATION AS A CAUSE OF PREDATOR‐PREY CYCLES" @default.
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• W2326310646 doi "https://doi.org/10.1111/j.1558-5646.1997.tb05098.x" @default.
• W2326310646 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/28565102" @default.
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