Boldness-aggression syndromes can reduce population density: behavior and demographic heterogeneity

Bruce E Kendall, Gordon A Fox, Joseph P Stover and Shinichi NakagawaHandling Editor

Behavioral Ecology, 2018, vol. 29, issue 1, 31-41

Abstract: Aggression may be good for the individual but bad for the group. In many species, some individuals have an aggressive “personality†that helps in some circumstances (beating out rivals for a mate) but not in others (staring down a predator). Using mathematical models, we show that the evolution of personalities to a mixture that maximizes individual fitness can reduce the population’s overall abundance. This may increase the risk that the population goes extinct.

Keywords: behavioral syndrome; boldness–aggression tradeoff; demographic heterogeneity; equilibrium; population dynamics (search for similar items in EconPapers)
Date: 2018
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