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Article

Elephant-induced structural changes in the vegetation and habitat selection by large herbivores in an African savanna

Marion Valeix, Auteur ; Hervé Fritz, Auteur ; Rodolphe Sabatier, Auteur ; Felix Murindagomo, Auteur ; David Cumming, Auteur ; Patrick Duncan, Auteur

Dans Biological Conservation (144(2) FEB 2011)

African elephants can affect the quality of the habitat of other species by breaking or uprooting trees and shrubs in savannas. Their effect on vegetation has been widely studied but less is known about the effects of such vegetation changes on [...]

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Article

Resource variability, aggregation and direct density dependence in an open context: the local regulation of an African elephant population

Simon Chamaille-Jammes, Auteur ; Hervé Fritz, Auteur ; Marion Valeix, Auteur ; Felix Murindagomo, Auteur ; Jean Clobert, Auteur

Dans Journal of Animal Ecology (77(1) JAN 2008)

1. An emerging perspective in the study of density dependence is the importance of the spatial and temporal heterogeneity of resources. Although this is well understood in temperate ungulates, few studies have been conducted in tropical environm[...]

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