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Switching in General Predators: Experiments on Predator Specificity and Stability of Prey Populations
"Switching" in predators which attack several prey species potentially can stabilize the numbers in prey populations. In switching, the number of attacks upon a species is disproportionately largeExpand
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Predation and Population Stability
Publisher Summary This chapter discusses predation and population stability. It describes some potentially stabilizing features that have been found in real systems and shows the main stabilizingExpand
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Consumer-resource dynamics
University Press. All rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means (including photocopying, recording, or information storage andExpand
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Population cycles have long fascinated ecologists. Even in the most-studied populations, however, scientists continue to dispute the relative importance of various potential causes of the cycles.Expand
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Population regulation is a fundamental process related to most phenomena in ecology, including evolutionary ecology. I review the conceptual basis for defining reg- ulation as bounded fluctuations inExpand
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Biological Control in Theory and Practice
The conventional wisdom of biological control of insect pests, and its related ecological theory, is that successful natural enemies in long-lived ecosystems (1) impose a low, stable pestExpand
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Maximizing return on investment in conservation
Abstract Global conservation needs far exceed the available resources, so scarce resources must be used cost-effectively. Although many conservation priory-setting frameworks used by NGO’s or publicExpand
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Spatial Density Dependence in Parasitoids
Ecologists have long been concerned with determining whether populations are stable and, if so, what mechanisms are responsible. Stability in mathema­ tical models implies a tendency to return toExpand
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Large-amplitude cycles of Daphnia and its algal prey in enriched environments
Ecological theory predicts that stable populations should yield to large-amplitude cycles in richer environments. This does not occur in nature. The zooplankton Daphnia and its algal prey in lakesExpand
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Switching, Functional Response, and Stability in Predator-Prey Systems
We consider a model for the functional response of a predator feeding on two species of prey. We assume that the predator searches randomly, at constant speed, for randomly distributed prey, but thatExpand
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