English, Article, Journal or magazine article edition: Evolution of Mixed Reproductive Strategies in Simple Life-History Models. M. Heino

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Bookmark: http://trove.nla.gov.au/version/137978
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Evolution of Mixed Reproductive Strategies in Simple Life-History Models.
Author
  • M. Heino
Physical Description
  • preprint
Notes
  • Frequency-dependent selection may favor the evolution of mixed reproductive strategies, resulting in polymorphic life-histories within a population. Here I explore the theoretical and ecological possibilities for evolution of mixed reproductive strategies in two minimal age-structured life-history models. The first model addresses evolution of delayed maturity (i.e. competition between annuals and biennials), and the second one deals with evolution of semelparity versus iteroparity. A necessary condition for evolution of polymorphism is that the description of environmental feedback in the model is two-dimensional. A two-dimensional description is necessary if different age-classes experience the influence from the environment differently and have a different influence on the environment. This might be caused by resource utilization or predation risk being different between age-classes.
  • RePEc:wop:iasawp:ir97063
Language
  • English
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