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The Dynamics of Phenotypic Change and the Shrinking Sheep of St. Kilda
Open accessAbstract
Little Lambs: In changing environments, ecological and evolutionary dynamics are intimately intertwined. However, understanding the dynamics of phenotypic traits under natural conditions is still rudimentary. Ozgul et al. (p. 464 ; published online 2 July) dissected the dynamics of a phenotypic trait in the context of the contributing ecological and evolutionary processes. In a wild population of Soay sheep where mean body size has fluctuated substantially over the past 25 years and has, on average, gotten smaller, an ecological response to environmental variation is the major driver of the dynamics; evolutionary change has contributed relatively little: The sheep have become smaller because climate change has modified the way that density-dependence influences lamb growth rates.
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Citations
Cites
The measurement of selection on correlated characters
Lande, R., & Arnold, S. J. (1983) · Evolution · doi:10.1111/j.1558-5646.1983.tb00236.x · Cited by 5,437
QUANTITATIVE GENETIC ANALYSIS OF MULTIVARIATE EVOLUTION, APPLIED TO BRAIN:BODY SIZE ALLOMETRY
Lande, R. (1979) · Evolution · doi:10.1111/j.1558-5646.1979.tb04694.x · Cited by 2,648
Cited by
Climate change and evolutionary adaptation
Hoffmann, A. A., & Sgrò, C. M. (2011) · Nature · doi:10.1038/nature09670 · Cited by 3,242
Building evolutionary resilience for conserving biodiversity under climate change
Sgrò, C. M., Lowe, A. J., & Hoffmann, A. A. (2011) · Evolutionary Applications · doi:10.1111/j.1752-4571.2010.00157.x · Cited by 868
Species Interactions Alter Evolutionary Responses to a Novel Environment
Lawrence, D., Fiegna, F., Behrends, V., Bundy, J. G., Phillimore, A. B., Bell, T., & Barraclough, T. G. (2012) · PLoS Biology · doi:10.1371/journal.pbio.1001330 · Cited by 458
Tread Lightly Interpreting Polygenic Tests of Selection
Novembre, J., & Barton, N. H. (2018) · Genetics · doi:10.1534/genetics.118.300786 · Cited by 97
Metadata
- Authors
- Ozgul, A., Tuljapurkar, S., Benton, T. G., Pemberton, J. M., Clutton-Brock, T. H., & Coulson, T.
- Venue
- Science
- Published
- 2009-07-24
- Volume
- 325
- Issue
- 5939
- Pages
- 464-467
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2060170754
- Cited by
- 309
- References
- 2
- FWCI
- 30.07
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
