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L'humus forestier, critères de gestion durable

Abstract : The authors recall the functional basis of the forest ecosystem and the relationship between the biogeochemical functioning of humus. Humus form is a main element for stand description, representing the ecological conditions and the fertility level. The role of humus as a criterion for sustainability at the regional scale is illustrated through examples of forest stand surveys (" typologie des stations "). On the other hand, the authors emphasize the diversity of humus(" eco-units ") at the stand area scale, according to the stages of the sylvogenetic cycle. The maintenance of biodiversity (soil fauna and microflora) is favoured by the mosaïc functioning of these " eco-units ". Moreover, the connection between these " eco-units " allows an increased stability of the ecosystem. The applications of these ideas in sylviculture are discussed.
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https://hal.inrae.fr/hal-02577263
Contributor : Migration Irstea Publications <>
Submitted on : Thursday, May 14, 2020 - 6:13:45 PM
Last modification on : Friday, November 6, 2020 - 3:54:35 AM

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  • HAL Id : hal-02577263, version 1
  • IRSTEA : PUB00004286

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B. Souchier, J.J. Brun, Bertrand Guillet. L'humus forestier, critères de gestion durable. Comptes Rendus de l'Académie d'Agriculture de France, Académie d'agriculture de France, 1997, 83 (6), pp.151-159. ⟨hal-02577263⟩

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