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    Université de Fribourg

    Similarities and differences in altitudinal versus latitudinal variation for morphological traits in Drosophila melanogaster

    Klepsatel, Peter ; Gáliková, Martina ; Huber, Christian D. ; Flatt, Thomas

    In: Evolution, 2014, vol. 68, no. 5, p. 1385–1398

    Understanding how natural environments shape phenotypic variation is a major aim in evolutionary biology. Here, we have examined clinal, likely genetically based variation in morphology among 19 populations of the fruit fly (Drosophila melanogaster) from Africa and Europe, spanning a range from sea level to 3000 m altitude and including locations approximating the southern and northern range...

    Université de Fribourg

    Variation in thermal performance and reaction norms among populations of Drosophila melanogaster

    Klepsatel, Peter ; Gáliková, Martina ; De Maio, Nicola ; Huber, Christian D. ; Schlötterer, Christian ; Flatt, Thomas

    In: Evolution, 2013, vol. 67, no. 12, p. 3573–3587

    The major goal of evolutionary thermal biology is to understand how variation in temperature shapes phenotypic evolution. Comparing thermal reaction norms among populations from different thermal environments allows us to gain insights into the evolutionary mechanisms underlying thermal adaptation. Here, we have examined thermal adaptation in six wild populations of the fruit fly (Drosophila...