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Article Dans Une Revue Ecology Letters Année : 2023

Extending eco‐evolutionary theory with oligomorphic dynamics

Résumé

Understanding the interplay between ecological processes and the evolutionary dynamics of quantitative traits in natural systems remains a major challenge. Two main theoretical frameworks are used to address this question, adaptive dynamics and quantitative genetics, both of which have strengths and limitations and are often used by distinct research communities to address different questions. In order to make progress, new theoretical developments are needed that integrate these approaches and strengthen the link to empirical data. Here, we discuss a novel theoretical framework that bridges the gap between quantitative genetics and adaptive dynamics approaches. ‘Oligomorphic dynamics’ can be used to analyse eco-evolutionary dynamics across different time scales and extends quantitative genetics theory to account for multimodal trait distributions, the dynamical nature of genetic variance, the potential for disruptive selection due to ecological feedbacks, and the non-normal or skewed trait distributions encountered in nature. Oligomorphic dynamics explicitly takes into account the effect of environmental feedback, such as frequency- and density-dependent selection, on the dynamics of multi-modal trait distributions and we argue it has the potential to facilitate a much tighter integration between eco-evolutionary theory and empirical data.
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Licence : CC BY ND - Paternité - Pas de modifications

Dates et versions

hal-04239249 , version 1 (12-10-2023)

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Sébastien Lion, Akira Sasaki, Mike Boots. Extending eco‐evolutionary theory with oligomorphic dynamics. Ecology Letters, In press, ⟨10.1111/ele.14183⟩. ⟨hal-04239249⟩
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