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Evolvability meets biogeography : evolutionary potential decreases at high and low environmental favourability [Proceedings of the Royal Society B - Biological Sciences]

Keywords : birds, environmental change, Europe, evolutionary ecology, species distribution models, wild populations

par Frédéric Magné - publié le

Understanding and forecasting the effects of environmental change on wild populations requires knowledge on a critical question : do populations have the ability to evolve in response to that change ? However, our knowledge on how evolution works in wild conditions under different environmental circumstances is extremely limited. We investigated how environmental variation influences the evolutionary potential of phenotypic traits. We used published data to collect or calculate 135 estimates of evolvability of morphological traits of European wild bird populations. We characterized the environmental favourability of each population throughout the species’ breeding distribution.(...)

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