Background
Habitats on the small island of Montecristo, one of seven islands in the Tuscan Archipelago of Italyâs Tyrrhenian Sea, are seriously threatened by the invasive alien tree of heaven species Ailanthus altissima. Meanwhile, the nests and eggs of the shearwater Puffinus yelkouan and other sea birds are vulnerable to black rats (Rattus rattus). Co ...