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The ecological causes of individual specialisation
Open accessAbstract
Ecology Letters (2011) 14 : 948–958 Many generalist populations are composed of specialised individuals, whose niches are small subsets of the population niche. This ‘individual specialisation’ is a widespread phenomenon in natural populations, but until recently few studies quantified the magnitude of individual specialisation and how this magnitude varies among populations or contexts. Such quantitative approaches are necessary for us to understand how ecological interactions influence the amount of among‐individual variation, and how the amount of variation might affect ecological dynamics. Herein, we review recent studies of individual specialisation, emphasising the novel insights arising from quantitative measures of diet variation. Experimental and comparative studies have confirmed long‐standing theoretical expectations that the magnitude of among‐individual diet variation depends on the level of intra and interspecific competition, ecological opportunity and predation. In contrast, there is little empirical information as to how individual specialisation affects community dynamics. We discuss some emerging methodological issues as guidelines for researchers studying individual specialisation, and make specific recommendations regarding avenues for future research.
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The return of the variance: intraspecific variability in community ecology
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An evolutionary ecology of individual differences
Dall, S. R. X., Bell, A. M., Bolnick, D. I., & Ratnieks, F. L. W. (2012) · Ecology Letters · doi:10.1111/j.1461-0248.2012.01846.x · Cited by 489
Self-citationNiche Breadth: Causes and Consequences for Ecology, Evolution, and Conservation
Carscadden, K. A., Emery, N. C., Arnillas, C. A., Cadotte, M. W., Afkhami, M. E., Gravel, D., Livingstone, S. W., & Wiens, J. J. (2020) · The Quarterly Review of Biology · doi:10.1086/710388 · Cited by 355
A guide for studying among-individual behavioral variation from movement data in the wild
Hertel, A. G., Niemelä, P. T., Dingemanse, N. J., & Mueller, T. (2020) · Movement Ecology · doi:10.1186/s40462-020-00216-8 · Cited by 282
Fish behavioral types and their ecological consequences
Mittelbach, G. G., Ballew, N. G., & Kjelvik, M. K. (2014) · Canadian Journal of Fisheries and Aquatic Sciences · doi:10.1139/cjfas-2013-0558 · Cited by 259
Metadata
- Authors
- Araújo, M. S., Bolnick, D. I., & Layman, C. A.
- Venue
- Ecology Letters
- Publisher
- Wiley
- Published
- 2011-07-26
- Volume
- 14
- Issue
- 9
- Pages
- 948-958
- ISSN
- 1461-023X (ISSN-L)
- 1461-0248
- OpenAlex
- W1547156128
- Cited by
- 1,074
- References
- 82
- FWCI
- 28.88
- Type
- journal article
- Language
- en
- Open access
- green
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