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Projet "Gestion, Naturalité, Biodiversité" : présentation et premiers résultats

Abstract : The research project entitled « Forest management, Naturality, Biodiversity » aimed at comparing managed forest stands with unmanaged ones in the same environmental conditions, in the context of French temperate forests. The objective was to analyse how forest biodiversity differs between managed and unmanaged stands and to look for explanatory variables (potential candidates for biodiversity indicators). Among the 7 studied taxa (vascular plants, bryophytes, wood fungi, chiropters, carabids, saproxylic beetles and birds), the bryophytes and wood fungi are the only ones to be not only significantly but also strongly (differences of more than 10 or 20 %) richer in unmanaged stands. Our results shows strong positive effects of unmanaged forests on the species richness of these two taxa, within unmanaged stands as well as within managed stands in the vicinity of reserves. Our results also underline the interest of maintaining dead wood and old big trees for a part of the biodiversity.
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https://hal.inrae.fr/hal-02604765
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Submitted on : Saturday, May 16, 2020 - 9:55:21 AM
Last modification on : Tuesday, September 7, 2021 - 3:54:49 PM

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  • HAL Id : hal-02604765, version 1
  • IRSTEA : PUB00050901

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Marion Gosselin. Projet "Gestion, Naturalité, Biodiversité" : présentation et premiers résultats. Séminaire Poctefa-GREEN (gestion et mise en réseau des espaces naturels pyrénéens), Oct 2016, Foix, France. pp.22. ⟨hal-02604765⟩

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