Distribution atlas; conservation; pond; amphibian; newt; Belgium; Pays de Herve; triton; amphibien; Mesotriton alpestris; Lissotriton helveticus; Lissotriton vulgaris; Triturus cristatus; Rana temporaria; Bufo bufo; Bufo calamita; SAlamandra salamandra
Abstract :
[en] The knowledge of distribution and ecological determinants of species is a prerequisite to their conservation at a time where declines are generalized at a world scale. The aim of this study is to characterize these topics to discuss the status of amphibian species in Pays de Herve, an area which is representative of hedged farmland regions and their evolution toward a landscape homogenization. On more than four hundreds ponds surveyed, 72% contained amphibians. All Walloon amphibian species (except those recently disappeared), were present but some were rare. The natterjack toad and the crested newt are the two most threatened species in a close future, but almost all species are threatened with large population decreases. The destruction and abandon of cattle ponds is the primary factor of decline of amphibians in Pays de Herve, but other factors such as fish introduction and water pollution have also a negative impact in decreasing biodiversity in favour of less specialized species. Management and conservation measures should be taken as soon as possible to stop or at least slow down the current process.
Denoël, Mathieu ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Language :
English
Title :
Répartition, habitat et conservation des amphibiens du Pays de Herve
Alternative titles :
[fr] Distribution, habitat and conservation of amphibians in Pays de Herve (Belgium)
Publication date :
2004
Journal title :
Bulletin de la Société Herpétologique de France
ISSN :
0754-9962
Publisher :
Société Herpétologique de France, France
Volume :
111-112
Pages :
49-77
Peer reviewed :
Peer reviewed
Funders :
DGRNE - Région wallonne. Direction générale des Ressources naturelles et de l'Environnement
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