Alien invasion

日期:2019-03-06 13:14:02 作者:戴拊 阅读:

Scotland has been invaded by 988 alien plant and animal species, according to Scottish Natural Heritage, which has carried out one the most extensive studies of its kind. Some 41 per cent of species are a threat to native wildlife. They include the American mink, the New Zealand flatworm and the rhododendron,