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2021
1.
Andréaz Dupoué; Audrey Trochet; Murielle Richard; Mahaut Sorlin; Michaël Guillon; Jules Teulieres-Quillet; Clément Vallé; Cyrielle Rault; Maud Berroneau; Matthieu Berroneau; Olivier Lourdais; Pauline Blaimont; Romain Bertrand; Gilles Pottier; Olivier Calvez; Olivier Guillaume; Hugo Le Chevalier; Jérémie Souchet; Jean-François Le Galliard; Jean Clobert; Fabien Aubret
Genetic and demographic trends from rear to leading edge are explained by climate and forest cover in a cold-adapted ectotherm Journal Article
In: Diversity and Distributions, vol. 27, no. 2, pp. 267-281, 2021.
Abstract | Links | BibTeX | Tags: climate change, ectotherms, gene flow, inbreeding
@article{https://doi.org/10.1111/ddi.13202b,
title = {Genetic and demographic trends from rear to leading edge are explained by climate and forest cover in a cold-adapted ectotherm},
author = {Andréaz Dupoué and Audrey Trochet and Murielle Richard and Mahaut Sorlin and Michaël Guillon and Jules Teulieres-Quillet and Clément Vallé and Cyrielle Rault and Maud Berroneau and Matthieu Berroneau and Olivier Lourdais and Pauline Blaimont and Romain Bertrand and Gilles Pottier and Olivier Calvez and Olivier Guillaume and Hugo Le Chevalier and Jérémie Souchet and Jean-François Le Galliard and Jean Clobert and Fabien Aubret},
url = {https://onlinelibrary.wiley.com/doi/abs/10.1111/ddi.13202},
doi = {https://doi.org/10.1111/ddi.13202},
year = {2021},
date = {2021-01-01},
journal = {Diversity and Distributions},
volume = {27},
number = {2},
pages = {267-281},
abstract = {Abstract Aim Determining whether altitudinal shifts in species distributions leave molecular footprints on wild populations along their range margins from rear to leading edge. Location South-west France. Methods We compared the demographic and genetic variation in 42 wild populations of the Western oviparous subclade B2 of a cold-adapted lizard (Zootoca vivipara louislantzi). These populations can be divided into four ecological units across altitudinal clines in South-west France (rear edge: <100 m, admixture zone: 100–500 m, continuous range: 500–1,300 m and leading edge: >1,300 m above sea level). Results Within the rear edge were found the highest levels of inbreeding, genetic differentiation and evidence of interrupted gene flow compared to central or colonizing areas. Within the leading edge, altitudinal range expansion occurred over the last centuries and populations showed relatively low genetic diversity. These demographic and genetic trends were better explained by inhospitable (warm and dry) climate conditions and forest cover. Main conclusions This empirical evidence illustrates that molecular footprints of climate conditions and habitat quality on wild population trends can be perceived after recent events, which should be of particular importance to accurately understand and anticipate human-induced global change on wild species and ecosystems.},
keywords = {climate change, ectotherms, gene flow, inbreeding},
pubstate = {published},
tppubtype = {article}
}
Abstract Aim Determining whether altitudinal shifts in species distributions leave molecular footprints on wild populations along their range margins from rear to leading edge. Location South-west France. Methods We compared the demographic and genetic variation in 42 wild populations of the Western oviparous subclade B2 of a cold-adapted lizard (Zootoca vivipara louislantzi). These populations can be divided into four ecological units across altitudinal clines in South-west France (rear edge: <100 m, admixture zone: 100–500 m, continuous range: 500–1,300 m and leading edge: >1,300 m above sea level). Results Within the rear edge were found the highest levels of inbreeding, genetic differentiation and evidence of interrupted gene flow compared to central or colonizing areas. Within the leading edge, altitudinal range expansion occurred over the last centuries and populations showed relatively low genetic diversity. These demographic and genetic trends were better explained by inhospitable (warm and dry) climate conditions and forest cover. Main conclusions This empirical evidence illustrates that molecular footprints of climate conditions and habitat quality on wild population trends can be perceived after recent events, which should be of particular importance to accurately understand and anticipate human-induced global change on wild species and ecosystems.