Journal
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
Volume 283, Issue 1825, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rspb.2015.2550
Keywords
information use; social dominance; resource ecology; decision-making; producer-scrounger dynamics; individual differences
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Funding
- NERC Quota Studentship [NE/J500409/1]
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Organisms may reduce uncertainty regarding how best to exploit their environment by collecting information about resource distribution. We develop a model to demonstrate how competition can facilitate or constrain an individual's ability to use information when acquiring resources. As resource distribution underpins both selection on information use and the strength and nature of competition between individuals, we demonstrate interdependencies between the two that should be common in nature. Individuals in our model can search for resources either personally or by using social information. We explore selection on social information use across a comprehensive range of ecological conditions, generalizing the producer scrounger framework to a wide diversity of taxa and resources. We show that resource ecology defined by scarcity, depletion rate and monopolizability determines patterns of individual differences in social information use. These differences suggest coevolutionary processes linking dominance systems and social information use, with implications for the evolutionary demography of populations.
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