rec_15

(15) Prevention is generally more environmentally desirable and cost-effective than reaction after the fact, and should be prioritised. Therefore, priority should be given to the listing of invasive alien species that are not yet present in the Union or are at an early stage of invasion and of invasive alien species that are likely to have the most significant adverse impact. As new invasive alien species can be introduced continuously into the Union and alien species present are spreading and expanding their range, it is necessary to ensure that the Union list is constantly reviewed and kept up-to-date.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.