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- Title
MODELS OF ALLEE EFFECTS AND THEIR IMPLICATIONS FOR POPULATION AND COMMUNITY DYNAMICS.
- Authors
BEREC, LUDĚK
- Abstract
Allee effects are broadly defined as a decline in individual fitness at low population sizes or densities. Although the roots of the concept go back at least to 1920's, until recently, Allee effects eked out on the periphery of ecological theory, in the shade of the prominently discussed negative density dependence. The situation has changed dramatically in the last ten years or so, and we can find an ever increasing number of studies considering Allee effects from an ever increasing range of disciplines. Mathematical models have always been an important tool by which to assess impacts of Allee effects for population and community dynamics. Actually, much of what we know about Allee effects comes from mathematical models. Up to now, Allee effects have been examined in the context of most existing model structures, and significantly altered our picture of population and community dynamics based on assuming negative density dependence only.
- Subjects
ALLEE effect; POPULATION dynamics; ANIMAL communities; ANIMAL population density; BIOLOGICAL models; MATHEMATICAL models
- Publication
Biophysical Reviews & Letters, 2008, Vol 3, Issue 1/2, p157
- ISSN
1793-0480
- Publication type
Article
- DOI
10.1142/S1793048008000678