Inverse density dependence and the Allee effect

Franck Courchamp; Tim Clutton-Brock; Bryan Grenfell

doi:10.1016/S0169-5347(99)01683-3

Inverse density dependence and the Allee effect

Franck Courchamp, Tim Clutton-Brock, Bryan Grenfell

Research output: Contribution to journal › Comment/debate › peer-review

1392 Scopus citations

Abstract

The Allee effect describes a scenario in which populations at low numbers are affected by a positive relationship between population growth rate and density, which increases their likelihood of extinction. The importance of this dynamic process in ecology has been under-appreciated and recent evidence now suggests that it might have an impact on the population dynamics of many plant and animal species. Studies of the causal mechanisms generating Allee effects in small populations could provide a key to understanding their dynamics.

Original language	English (US)
Pages (from-to)	405-410
Number of pages	6
Journal	Trends in Ecology and Evolution
Volume	14
Issue number	10
DOIs	https://doi.org/10.1016/S0169-5347(99)01683-3
State	Published - Oct 1 1999
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics

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10.1016/S0169-5347(99)01683-3

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title = "Inverse density dependence and the Allee effect",

abstract = "The Allee effect describes a scenario in which populations at low numbers are affected by a positive relationship between population growth rate and density, which increases their likelihood of extinction. The importance of this dynamic process in ecology has been under-appreciated and recent evidence now suggests that it might have an impact on the population dynamics of many plant and animal species. Studies of the causal mechanisms generating Allee effects in small populations could provide a key to understanding their dynamics.",

author = "Franck Courchamp and Tim Clutton-Brock and Bryan Grenfell",

note = "Funding Information: The authors would like to thank Jan Lindstr{\"o}m, Mads Forchammer, Rosie Cooney, Phil Stephen, Ilkka Hanski, Hamish McCallum and an anonymous referee for critical comments on the manuscript. Financial support was provided by a TMR 30 Marie Curie Fellowship from the European Community. ",

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AU - Clutton-Brock, Tim

AU - Grenfell, Bryan

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N2 - The Allee effect describes a scenario in which populations at low numbers are affected by a positive relationship between population growth rate and density, which increases their likelihood of extinction. The importance of this dynamic process in ecology has been under-appreciated and recent evidence now suggests that it might have an impact on the population dynamics of many plant and animal species. Studies of the causal mechanisms generating Allee effects in small populations could provide a key to understanding their dynamics.

AB - The Allee effect describes a scenario in which populations at low numbers are affected by a positive relationship between population growth rate and density, which increases their likelihood of extinction. The importance of this dynamic process in ecology has been under-appreciated and recent evidence now suggests that it might have an impact on the population dynamics of many plant and animal species. Studies of the causal mechanisms generating Allee effects in small populations could provide a key to understanding their dynamics.

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EP - 410

JO - Trends in Ecology and Evolution

JF - Trends in Ecology and Evolution

IS - 10

ER -

Inverse density dependence and the Allee effect

Abstract

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