Fluctuating natural selection accounts for the evolution of diversification bet hedging.

  title={Fluctuating natural selection accounts for the evolution of diversification bet hedging.},
  author={Andrew M. Simons},
  journal={Proceedings. Biological sciences},
  volume={276 1664},
Natural environments are characterized by unpredictability over all time scales. This stochasticity is expected on theoretical grounds to result in the evolution of 'bet-hedging' traits that maximize the long term, or geometric mean fitness even though such traits do not maximize fitness over shorter time scales. The geometric mean principle is thus central to our interpretation of optimality and adaptation; however, quantitative empirical support for bet hedging is lacking. Here, I report a… CONTINUE READING
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