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Allee Effects in Ecology and Conservation

Allee Effects in Ecology and Conservation

Hardcover

Environmental StudiesEvolutionPhysics

ISBN10: 0198570309
ISBN13: 9780198570301
Publisher: Oxford University Press
Published: Apr 15 2008
Pages: 272
Weight: 1.30
Height: 0.72 Width: 6.35 Depth: 9.32
Language: English
Allee effects are (broadly) defined as a decline in individual fitness at low population size or density. They can result in critical population thresholds below which populations crash to extinction. As such, they are very relevant to many conservation programmes, where scientists and managers are often working with populations that have been reduced to low densities or small numbers. There are a variety of mechanisms that can create Allee effects including mating systems, predation, environmental modification, and social interactions. The abrupt and unpredicted collapses of many exploited populations is just one illustration of the need to bring Allee effects to the forefront of conservation and management strategies.

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Environmental Studies