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Aperçu sur les forêts anciennes et matures de Méditerranée française et des montagnes limitrophes : Enjeux pour la conservation de la nature

Abstract : This article gives an overview on the naturalness of 52 forest stands representative of the diversity of forest hotspots in 15 Départements in Southern France. On average, they are characterized by a high diversity of tree species (>5 species, except some beech forest stands); a great density of microhabitats; an uneven-aged stand structure; a basal area >25 m2/ha; an advanced stand age; a number of very very large tree (VVLT) and deadwood volume respectively >10 VVLT/ha and >50m3/ha; their dynamic is dominated by dryad species though forest renewal is often incomplete. Human impact has been generally low after 1960 but was considerable before (grazing, charcoal, etc.). The absence of wood cutting is documented from 1880 on in La Massane, 1886 in Comus and 1897 in Lente. Analysis has resulted in ranking the forest stands on the bases of their relative naturalness. The most natural are the fir and mixed beech-fir stands (Bois noir de Breil, Zonza, Bois du Chapitre) or beech stands (Ventoux, Zicavo, La Massane). For the other habitats, holm-oak stand in Fango–Omita and the downy oak stand in Montchamp (Païolive) stand out. These results facilitate discussion and reveal perspectives for both productive forest management and conservation.
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https://hal.inrae.fr/hal-02629731
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Submitted on : Wednesday, May 27, 2020 - 4:11:42 AM
Last modification on : Thursday, May 13, 2021 - 3:45:14 AM

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  • HAL Id : hal-02629731, version 1
  • PRODINRA : 325479

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Magali Rossi, Pierre Bardin, Eugénie Cateau, Daniel Vallauri. Aperçu sur les forêts anciennes et matures de Méditerranée française et des montagnes limitrophes : Enjeux pour la conservation de la nature. Forêt Méditerranéenne, 2014, 35 (4), pp.409-422. ⟨hal-02629731⟩

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