Invasive species and xenophoby

The attitude of EU members has changed from a club open to the world to a scared community suspicious of migrants and aliens. Curiously, this change reflects also in the meaasures of nature conservation. On 1th January 2015 enetered into effect the directive on alien species, which obliges the EU members to fight aliens. There is much debate in the scientific community about invasivealien species, but a growing number of scientists is convinced that 1) they are not so dangerous as believed 2) the are almost impossible to eradicate once introdfuced. Mark Davis, an American ecologists, speaks even of "xenophoby" against IAE. Xenophoby against plant and animnals, xenophoby against people who flies from the wars in the Middle East and Africa.