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Phenotypic plasticity as a cause and consequence of population dynamics.

Dominic P Brass1,2, Christina A Cobbold3, David A Ewing4

  • 1UK Centre for Ecology & Hydrology, Wallingford, Oxfordshire, UK.

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Summary
This summary is machine-generated.

Phenotypic plasticity links individual trait variation to population dynamics. However, environment-trait relationships at the individual level may not accurately predict population responses to environmental change.

Keywords:
carry-over effectscompetitiondelay-differential equationsdevelopmental plasticityenvironmental changephenotypic plasticitypopulation dynamicsreaction normsstage-structured modellingtrait variation

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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Mathematical Biology

Background:

  • Predicting species-environment interactions is vital for conservation in a changing world.
  • Phenotypic plasticity allows individuals to adapt to new environments.
  • Current methods often assume individual environment-trait relationships predict population responses.

Discussion:

  • A novel mathematical framework connects phenotypic plasticity to population dynamics.
  • This framework reveals limitations in extrapolating individual responses to populations.
  • The study challenges the common assumption that individual plasticity predicts population-level adaptation.

Key Insights:

  • Environment-trait relationships at the individual level may not generalize to population dynamics.
  • Population feedbacks are critical for understanding adaptation to environmental change.
  • Trait-based analyses must incorporate population dynamics to avoid mischaracterization.

Outlook:

  • The derived framework offers a more robust approach to predicting population responses.
  • This work emphasizes the need for integrated models in ecological forecasting.
  • Accurate predictions are essential for effective conservation strategies in dynamic environments.