Typology of wetlands in the Camargue (France): A necessary framework for waterfowl studies

Dehorter, Olivier and Tamisier, Alain (1997) Typology of wetlands in the Camargue (France): A necessary framework for waterfowl studies. MAGYAR VÍZIVAD KÖZLEMÉNYEK, 3. pp. 9-17. ISSN 1416-1389 (nyomtatott); 1419-6107 (elektronikus)

Preview

Text magyar-vizivad-kozlemenyek-1997-03-009-017.pdf - Published Version Download (2MB) | Preview

Abstract

A new typology of the Camargue is realised with a Multiple Correspondence Analysis according to five variables describing habitat and two supplementary variables describing the human use of habitat Two major habitats are isolated in the Camargue: freshwater habitats, rich in food resources but hunted, and brackish habitats, protected but poor in food resources. This typology shows the present use of wetlands Habitat selection of herbivorous waterfowl indicates that birds exploit habitats which respond at the best to their energy requirements. However, security is also an important parameter Ducks select the protected habitats more than Coots. Since different habitat types have different occurences, the observed typology is a necessary framework to interpret habitat selection Wigeon and Coot exploit the commonest habitats whilst Gadwall the less frequent ones. This preference indicates a strong habitat selection which can be explained by higher dependence of this species to diurnal feeding.

Actions (login required)

View Item