Accidental introductions of non-native species has been of increasing concern since the 1980s when human-mediated transportation, mainly related to ships’ ballast water, was recognised as a major route by which species are transported and spread.
Accidental introductions of non-native species has been of increasing concern since the 1980s when human-mediated transportation, mainly related to ships’ ballast water, was recognised as a major route by which species are transported and spread.