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Pacific

Restoration of small watersheds on the plateau of Te Mehani rahi

Territory

French Polynesia

Thematic scope

Ecosystem restoration

Implementing partners

Association Tuihana

Linked to

France

Programme

Budget

49,662.38 €
© Fred Jacq

Description: The project aimed to restore the unique vegetation of Te Mehani plateau’s small watershed slopes (less than 10 hectares) on Raiatea Island, situated at an altitude of more than 600 m and housing 33 endemic plants threatened by invasive species. It involved surveying, invasive plant control, establishing a native plant nursery, and public awareness campaigns to protect biodiversity. Spanning 10.46 hectares, the restoration focused on eradicating invasive plants and replanting essential species on degraded sites. Key phases included initial site assessment, invasive plant management, native plant enrichment, and extensive outreach efforts, fostering local partnerships. Notably, within 8 months, the project cleared 8.8 hectares of invasive plants, safeguarding 82% of a watershed and contributing to the conservation of 18 endangered endemic plants. This initiative significantly improved the conservation status of the area and the biodiversity of the Te Mehani plateau. Furthermore, the project enhanced financial systems, organisational structures, and local collaborations.

Duration: 12 months

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