1997
DOI: 10.1146/annurev.ecolsys.28.1.269
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Theoretical and Empirical Examination of Density-Dependent Selection

Abstract: The development of theory on density-dependent natural selection has seen a transition from very general, logistic growth-based models to theories that incorporate details of specific life histories. This transition has been justified by the need to make predictions that can then be tested experimentally with specific model systems like bacteria or Drosophila. The most general models predict that natural selection should increase density-dependent rates of population growth. When trade-offs exist, those genoty… Show more

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Cited by 179 publications
(172 citation statements)
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References 117 publications
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“…In a constant environment, s 2 e Z 0, long-term evolution maximizes K because f (N ) is assumed to be an increasing function of N at high population density, in agreement with classical findings for densitydependent selection (MacArthur 1962;Roughgarden 1979;Mueller 1997). With no genetic variance in either K or s 2 e , evolution maximizes r as under densityindependent selection in a constant environment (Fisher 1958;Wright 1969;Crow & Kimura 1970).…”
Section: Model and Resultssupporting
confidence: 77%
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“…In a constant environment, s 2 e Z 0, long-term evolution maximizes K because f (N ) is assumed to be an increasing function of N at high population density, in agreement with classical findings for densitydependent selection (MacArthur 1962;Roughgarden 1979;Mueller 1997). With no genetic variance in either K or s 2 e , evolution maximizes r as under densityindependent selection in a constant environment (Fisher 1958;Wright 1969;Crow & Kimura 1970).…”
Section: Model and Resultssupporting
confidence: 77%
“…This principle does not apply to stochastic environments because fluctuations in population density produce a trade-off between selection for higher intrinsic rate of increase at low population density and selection for higher carrying capacity at high population density, summarized in the concepts of r and K selection (MacArthur & Wilson 1967;Pianka 1970Pianka , 1972Desharnais & Constantino 1983;Boyce 1984;Mueller 1997).…”
Section: Model and Resultsmentioning
confidence: 99%
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“…The results of Drosophila selection experiments provide a clear example of the selective influence of population density and resource availability on the evolution of general life history strategies (22)(23)(24)(25)(26)(27)(28)(29). Mueller et al (22)(23)(24)(25) reared populations of Drosophila at high or low densities and evaluated the evolution of population growth rates, which is a composite of the life history traits considered in the present work.…”
Section: Discussionmentioning
confidence: 99%
“…Nevertheless, given the importance of larval feeding rate and urea/ammonia tolerance for competitive ability in D. melanogaster (Mueller 1997), we earlier predicted that our D. melanogaster populations would evolve reduced pre-adult competitive ability as a correlated response to selection for fast development, despite having a lower minimum food requirement and higher carrying capacity than their ancestral controls . Here, we report results from an assay of pre-adult competitive ability in our fast developing and control populations.…”
Section: Introductionmentioning
confidence: 94%