Réintroductions et introductions de vertébrés sauvages dans la région Rhône-Alpes [Re-introductions and introductions of wild vertebrates in the Rhône-Alpes region].

Résumé

An inquiry was hold in 1990 by the F.R.A.P.N.A, to make up the synthesis of reintroductions and introductions in the Rhône-AIpes region. At least 88 operations of reintroductions was made for 11 species of vertebrates (successfull releases : Red deer, Marmot, lbex, Beaver, Bearded Vulture. Unsuccessfull releases : Wild cat, Otter, Capercaillie, Ferruginous Duck, Rock Dove). The Lynx colonize the area from reintroductions made in Swizeland. Projects are in progress for the reintroductions of Griffon Vulture, Brown Bear and Otter. 27 foreigners species had been released successfully, volontarily or not (12 species of fishes, ll of mammals, 3 of birds and l of batracian). Reintroductions increased after 1960 for hunting and after 1970 for nature conservancy. lntroductions are made since centuries. Spatially, most of the reintroductions were carried out in mountains. Whereas introductions took place in wet lands.