From Constance Lever-Tracy, Adelaide, South Australia
Andy Coghlan seems disturbed that plants can migrate higher up mountains to avoid warming, but invasive species are beating them to it (15 July, p 14). Surely migrating “native” plants are themselves becoming “invasive”? I think it is time to abandon the emotive terminology of “invasive aliens” or “non-native weeds”.
If the spread of some species endangers others or damages ecosystems, we should study and respond to this on a case-by-case basis, without making any prejudgement.
