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This study introduces a phenotypic gambit model to integrate evolutionary dynamics into ecological models. Understanding offspring

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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Population Dynamics

Background:

  • Most ecological models do not incorporate evolutionary change.
  • Organisms adapt to changing environments through evolution.
  • Phenotypic variation, such as breeding timing and fecundity, is crucial for adaptation.

Purpose of the Study:

  • To develop an ecological model that incorporates evolutionary dynamics using a phenotypic gambit approach.
  • To examine the impact of phenotypic changes on population dynamics.
  • To assess the necessity of model complexity and phenotype transitions.

Main Methods:

  • Developed a spatially implicit model focusing on phenotype frequency changes.
  • Calculated fitness per phenotype based on individual contribution to population growth.
  • Analyzed simplified model variants and scenarios with and without phenotype transitions.

Main Results:

  • Fitness per phenotype aligns with population dynamics per phenotype.
  • Spatially implicit model outputs underestimated total individual numbers.
  • Underestimation was more pronounced when phenotype transitions were absent.

Conclusions:

  • The phenotypic gambit approach effectively integrates evolutionary dynamics into individual-based models.
  • Understanding the probability of offspring inheriting parental phenotypes is key.
  • Model complexity and phenotype transitions influence population estimations.