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Prise en compte de la biodiversité dans la gestion forestière : état des connaissances et recommandations

Abstract : Preserving biodiversity is important for ethical, biological, ecological or economic reasons. This has become more urgent since biodiversity is rapidly decreasing because of global changes, most of which are caused by human activities. Forests contain a vast array of species, many of them confined to forests because of the diversity and specificity of the habitats they offer. We know that forest management influences the nature and quantity of forest habitats, species and populations: forest managers must take forest biodiversity into account and preserve it. In the 1990's, forest biodiversity was first associated with rare or endangered species, then with rare or endangered ecosystems. Nowadays, we also insist on the importance of common components and of genetic and functional diversity. That's why the recommendations here concern not only zones specifically set aside to protect rare or endangered populations, species or ecosystems (biological reserves or forest conservation areas), but also zones managed for other objectives. The first part of the document defines biodiversity, provides some data on its decline and discusses forest biodiversity issues. The second part of the document summarises the state-of-the-knowledge and proposes practical recommendations dealing with 15 major aspects of forest management: 1. Abundance and genetic diversity of a given species, tree species composition and diversity at the stand and landscape scale. 2. Stand regeneration and cutting regimes. 3. Silvicultural treatments and stand structure. 4. Young stand management. 5. Dead wood. 6. Veteran trees, cavity trees. 7. Logging practices. 8. Herbicide and pesticide use. 9. Fertilisation, soil improvement. 10. Edges, glades and other open areas. 11. Forest wetlands (riparian forests, ponds, marshes, fens) 12. Forest conservation networks. 13. Stands under natural succession. 14. Forest reproductive material. 15. Forest ungulate management.
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Submitted on : Friday, May 15, 2020 - 12:45:26 PM
Last modification on : Wednesday, November 17, 2021 - 2:10:04 PM


  • HAL Id : hal-02588465, version 1
  • IRSTEA : PUB00020589



Marion Gosselin, Alain Valadon, Laurent Bergès, Yann Dumas, Frédéric Gosselin, et al.. Prise en compte de la biodiversité dans la gestion forestière : état des connaissances et recommandations. irstea. 2006, pp.161. ⟨hal-02588465⟩



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