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Micro-topography associated to forest edges

Abstract : Forest edges are often defined as the discontinuity between the forest habitat and an adjacent open habitat, thus they are based on a clear difference in the structure of the dominant vegetation. However, beside this very general definition, in the field we can observe a large diversity of edges, with often different kinds of micro-topography features: bank, ditch, stone wall, path, etc. As these elements are rather common in many temperate forest edges, it seems important to start to characterize them more clearly and with consistency. From a set of observations in south-western France, we build a first typology of the micro-topographic elements associated to forest edges. For each of them we describe the process, natural or human induced, at their origin, and according to the literature available, we identify some of their key ecological roles. Banks, generated by the differential erosion between forest and crops along slopes, are especially analyzed since they are the most common micro-topographic element in our region. It offers many micro-habitat conditions in the soil used by a wide range of species, notably by several bee species. More research is required to study in details the importance of such micro-topographic elements.
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  • HAL Id : hal-02738444, version 1
  • PRODINRA : 451704



Marc Deconchat, Alexis Fayat, Laurent Burnel, Sylvie Ladet. Micro-topography associated to forest edges. IUFRO Conférence POSADAS 2018, Oct 2018, Posadas, Argentina. 207 p. ⟨hal-02738444⟩



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