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      The evolution of intermittent breeding

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      Journal of Mathematical Biology
      Springer Nature

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          Abstract

          A central issue in life history theory is how organisms trade off current and future reproduction. A variety of organisms exhibit intermittent breeding, meaning sexually mature adults will skip breeding opportunities between reproduction attempts. It's thought that intermittent breeding occurs when reproduction incurs an extra cost in terms of survival, energy, or recovery time. We have developed a matrix population model for intermittent breeding, and use adaptive dynamics to determine under what conditions individuals should breed at every opportunity, and under what conditions they should skip some breeding opportunities (and if so, how many). We also examine the effect of environmental stochasticity on breeding behavior. We find that the evolutionarily stable strategy (ESS) for breeding behavior depends on an individual's expected growth and mortality, and that the conditions for skipped breeding depend on the type of reproductive cost incurred (survival, energy, recovery time). In constant environments there is always a pure ESS, however environmental stochasticity and deterministic population fluctuations can both select for a mixed ESS. Finally, we compare our model results to patterns of intermittent breeding in species from a range of taxonomic groups.

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          Most cited references43

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          Stock and Recruitment

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            The population consequences of life history phenomena.

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              Costs of Reproduction: An Evaluation of the Empirical Evidence

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                Author and article information

                Journal
                Journal of Mathematical Biology
                J. Math. Biol.
                Springer Nature
                0303-6812
                1432-1416
                March 2013
                October 18 2012
                : 66
                : 4-5
                : 685-703
                Article
                10.1007/s00285-012-0603-0
                23076830
                7e1c303b-0d3d-4ae4-957a-6842945ff7e1
                © 2012
                History

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