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Impact of urbanization and gardening practices on common butterfly communities in France

Abstract : We investigated the interacting impacts of urban landscape and gardening practices on the species richness and total abundance of communities of common butterfly communities across France, using data from a nationwide monitoring scheme. We show that urbanization has a strong negative impact on butterfly richness and abundance but that at a local scale, such impact could be mitigated by gardening practices favoring nectar offer. We found few interactions among these landscape and local scale effects, indicating that butterfly-friendly gardening practices are efficient whatever the level of surrounding urbanization. We further highlight that species being the most negatively affected by urbanization are the most sensitive to gardening practices: Garden management can thus partly counterbalance the deleterious effect of urbanization for butterfly communities. This holds a strong message for park managers and private gardeners, as gardens may act as potential refuge for butterflies when the overall landscape is largely unsuitable.
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Contributor : Laurent Jonchère <>
Submitted on : Friday, December 9, 2016 - 11:24:18 AM
Last modification on : Thursday, January 14, 2021 - 11:48:17 AM

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Benoit Fontaine, Benjamin Bergerot, Isabelle Le Viol, Romain Julliard. Impact of urbanization and gardening practices on common butterfly communities in France. Ecology and Evolution, Wiley Open Access, 2016, 6 (22), pp.8174-8180. ⟨10.1002/ece3.2526⟩. ⟨hal-01413016⟩



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