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This desktop study is focused on presenting known and available baseline data on alien and invasive species and key biodiversity of Pitcairn which will inform stakeholders during the development of the Territorial Invasive Species Strategy and Action Plan (TISSAP). It delivers annotated inventories of (i) invasive alien species by island, invasiveness and habitat including risk assessment ranking; (ii) key endemic and threatened species at island and site level; (iii) designated natural areas and ecosystems with notes on threat/pressures on these areas; (iv) An annotated inventory of at-risk invasive species in neighboring countries with pathways of introduction and dispersal and (v) invasive species prevention, management/control related projects undertaken on Pitcairn and on-going initiatives.

La liste noire répertorie 68 espèces envahissantes, 38 végétales et 30 animales, déjà présentes sur le territoire et à l’origine d’impacts négatifs importants. Cette liste noire est une actualisation de l’arrêté n°2016-407 suite à la prestation d’une biologiste, la consultation d’associations et services en 2022. ».