Comparing impacts of alien plants and animals using a standard scoring system
22 Apr 2015
Knowing which species to manage amongst all the species introduced outside of their native ranges is a huge challenge. Many factors play a role in the decision making process, one of the most important ones being whether or not the alien species causes harm to native ecosystems and species, or damages the economy. However comparing impacts between species with very different life histories, such as harlequin ladybirds, prickly pear cactus and common myna, is not a straightforward task.