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Mesure et suivi de l'empreinte écologique des ongulés sauvages sur la végétation forestière

Abstract : Populations of wild ungulates have been increasing since the 1980s to the extent that they now raise economic, social and environmental problems. Sustainable forest management implies that a compromise is found between the harmful effects (on the economy, health and the environment) and the services rendered (to the economy, the heritage and the environment) to man and the ecosystem. A crucial component of sustainable management is evaluation and monitoring of these effects to avoid excessive destruction or irreversible damage. This relies on indicators that we describe here in their essentially ecological aspects in connection with forest vegetation. Based on the principles of adaptive management, ecological change indicators (ECIs) provide decision-makers and managers with indicators as to changes in the animal/habitat pair. However, they do not include indicators enabling damage to forest regeneration to be evaluated or monitored, or ones for effects on ecosystem functioning and biodiversity. We propose using the responses of plants on the scale of populations or plant communities so as to assess and monitor the ecological impact of wild ungulates in forest environments. The notion of ecological impact takes on board the fact that, depending on the particular context, the effects of wild ungulates may be either beneficial or harmful for ecosystem functioning. In the longer term, these indicators could be incorporated into the sustainable management indicator approach in French forests.
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Submitted on : Friday, May 15, 2020 - 11:58:19 PM
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Anders Mårell, M. Pellerin, A. Rocquencourt. Mesure et suivi de l'empreinte écologique des ongulés sauvages sur la végétation forestière. Revue forestière française, AgroParisTech, 2012, 64 (5), pp.711-721. ⟨10.4267/2042/50658⟩. ⟨hal-02598569⟩



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