Journal
TRENDS IN ECOLOGY & EVOLUTION
Volume 33, Issue 7, Pages 535-548Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tree.2018.04.010
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Funding
- National Science Foundation
- Israeli Ministry of Science and Technology Shamir Postdoctoral Fellowship
- Div Of Biological Infrastructure
- Direct For Biological Sciences [1523875] Funding Source: National Science Foundation
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When individual animals make decisions, they routinely use information produced intentionally or unintentionally by other individuals. Despite its prevalence and established fitness consequences, the effects of such social information on ecological dynamics remain poorly understood. Here, we synthesize results from ecology, evolutionary biology, and animal behavior to show how the use of social information can profoundly influence the dynamics of populations and communities. We combine recent theoretical and empirical results and introduce simple population models to illustrate how social information use can drive positive density-dependent growth of populations and communities (Allee effects). Furthermore, social information can shift the nature and strength of species interactions, change the outcome of competition, and potentially increase extinction risk in harvested populations and communities.
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