Evolution of multi-stage dormancy in temporally autocorrelated environments.

Helen Olofsson, Jörgen Ripa, Per Lundberg

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Abstract

Question: Under what circumstances does a capacity for multi-stage dormancy (i.e. dormancy
in more than one life-stage) evolve?
Mathematical methods: Optimization in stochastic environments. Results are derived both
analytically and by simulations.
Key assumption: There exists some trade-off between resources allocated to reproduction and
adult dormant survival. Different shapes of this trade-off are investigated.
Major conclusions: Multi-stage dormancy can evolve in an environment with low serial
autocorrelation. However, a slowly changing environment, with high positive autocorrelation,
will prevent the evolution of dormancy in several life-stages. In general, a high positive
environmental autocorrelation will separate the evolution of life parameters associated with
active life from that of parameters associated with dormant life.
Original languageEnglish
Pages (from-to)1125-1137
JournalEvolutionary Ecology Research
Volume7
Issue number8
Publication statusPublished - 2005

Subject classification (UKÄ)

  • Biological Sciences

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