Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments

Laure Olazcuaga, Julien Foucaud, Mathieu Gautier, Candice Deschamps, Anne Loiseau, Nicolas Leménager, Benoit Facon, Virginie Ravigné, Ruth A. Hufbauer, Arnaud Estoup & Nicolas O. Rode
The process of local adaptation involves differential changes in fitness over time across different environments. While experimental evolution studies have extensively tested for patterns of local adaptation at a single time point, there is relatively little research that examines fitness more than once during the time course of adaptation. We allowed replicate populations of the fruit pest Drosophila suzukii to evolve in one of eight different fruit media. After five generations, populations with the highest...
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