The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Predators select against high growth rates and risk–taking behaviour in domestic trout populations
Open accessAbstract
Domesticated (farm) salmonid fishes display an increased willingness to accept risk while foraging, and achieve high growth rates not observed in nature. Theory predicts that elevated growth rates in domestic salmonids will result in greater risk-taking to access abundant food, but low survival in the presence of predators. In replicated whole-lake experiments, we observed that domestic trout (selected for high growth rates) took greater risks while foraging and grew faster than a wild strain. However, survival consequences for greater growth rates depended upon the predation environment. Domestic trout experienced greater survival when risk was low, but lower survival when risk was high. This suggests that animals with high intrinsic growth rates are selected against in populations with abundant predators, explaining the absence of such phenotypes in nature. This is, to our knowledge, the first large-scale field experiment to directly test this theory and simultaneously quantify the initial invasibility of domestic salmonid strains that escape into the wild from aquaculture operations, and the ecological conditions affecting their survival.
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Cites
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Cited by
Personality and the emergence of the pace-of-life syndrome concept at the population level
Réale, D., Garant, D., Humphries, M. M., Bergeron, P., Careau, V., & Montiglio, P.-O. (2010) · Philosophical Transactions of the Royal Society B: Biological Sciences · doi:10.1098/rstb.2010.0208 · Cited by 1,446
Growth‐mortality tradeoffs and ‘personality traits’ in animals
Stamps, J. A. (2007) · Ecology Letters · doi:10.1111/j.1461-0248.2007.01034.x · Cited by 759
Fitness of hatchery‐reared salmonids in the wild
Araki, H., Berejikian, B. A., Ford, M. J., & Blouin, M. S. (2008) · Evolutionary Applications · doi:10.1111/j.1752-4571.2008.00026.x · Cited by 593
Glover, K. A., Solberg, M. F., McGinnity, P., Hindar, K., Verspoor, E., Coulson, M. W., Hansen, M. M., Araki, H., Skaala, Ø., & Svåsand, T. (2017) · Fish and Fisheries · doi:10.1111/faf.12214 · Cited by 363
Boyer, N., Réale, D., Marmet, J., Pisanu, B., & Chapuis, J. (2010) · Journal of Animal Ecology · doi:10.1111/j.1365-2656.2010.01659.x · Cited by 266
Metadata
- Authors
- Biro, P. A., Abrahams, M. V., Post, J. R., & Parkinson, E. A.
- Venue
- Proceedings of the Royal Society of London. Series B: Biological Sciences
- Publisher
- The Royal Society
- Published
- 2004-11-07
- Volume
- 271
- Issue
- 1554
- Pages
- 2233-2237
- ISSN
- 0080-4649 (ISSN-L)
- 0962-8452
- 1471-2954
- OpenAlex
- W2103325972
- Cited by
- 313
- References
- 30
- FWCI
- 10.81
- Type
- journal article
- Language
- en
- Open access
- green
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- Biro, P. A., Abrahams, M. V., Post, J. R., & Parkinson, E. A. (2004). Predators select against high growth rates and risk–taking behaviour in domestic trout populations. Proceedings of the Royal Society of London. Series B: Biological Sciences. https://doi.org/10.1098/rspb.2004.2861
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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