Predator effects on prey population dynamics in open systems

Abstract

It is concluded that predation alone cannot explain variation in population dynamics of either mayfly species; and the relative importance of predation is species- and environment-specific compared to non-predatory losses, such as other agents of mortality and non-consumptive effects of predators.

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Predator effects on prey population dynamics in open systems

Abstract

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Variation in mayfly size at metamorphosis as a developmental response to risk of predation

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