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Impact of removal pitfall trapping on the community of shrews (Mammalia : Soricidae) in two African tropical forest sites

Violaine Nicolas 1 Patrick Barrière 1 Marc Colyn 1
1 EVE - Ethologie, éVolution, Ecologie
EthoS - Ethologie animale et humaine
Abstract : Removal trapping is still used for the study of tropical African shrews biodiversity and ecology, because shrew species identification requires cranio-dental analyses due to the existence of sibling species. Pitfall trapping has been found to be the most effective protocol to collect shrews. However, the impact of removal pitfall-trapping on density and diversity of shrew species is still unknown. In this paper, we test this impact on two African tropical forest shrew communities, by comparing the results of two trapping sessions conducted in two consecutive years. Our results support the view that removal trapping, with conditions described in this paper, does not adversely affect local population numbers and shrew species richness.
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Violaine Nicolas, Patrick Barrière, Marc Colyn. Impact of removal pitfall trapping on the community of shrews (Mammalia : Soricidae) in two African tropical forest sites. Mammalia, De Gruyter, 2003, 67 (1), pp.133-138. ⟨10.1515/mamm.2003.67.1.133⟩. ⟨hal-01345779⟩

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