animals artenschutz biologicaldiversity business businessethics competition conservation control economics ecosystemmanagement environmentalaspects foodindustryandtrade foodsupply introductie invasiveplants lifesciences moralandethicalaspects nature natureconservation naturschutz plantconservation planten plantinvasions réservesdelaviesauvage science socialaspects unfair unfaircompetition wildedieren wildernessareas wildlife wildlifeconservation