EU Aliens

News that the EU has passed legislation to ban the import, keep, breed, grow, transport, release etc some 30+ invasive alien species of animals and plants from all the countries of the union (https://www.theguardian.com/environment/2016/aug/02/raccoon-mongoose-and-cabbage-among-invasive-species-banned-from-uk). The species include the Asian hornet, Skunk cabbage, the American raccoon, the Indian mongoose and the Signal crayfish. Some of these species decimate local species or destroy local environments. The only down side I can see is that it might be difficult for scientists to study the impacts of some of these species. The slightly odd aspect is that with Brexit, the UK can elect to bring in any invasive species they like,