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Dispositif de biosécurité inter-îles/îlots et de surveillance du milieu - Fiche de capitalisation - PROTEGE

SPREP Publications, Biodiversity Conservation, BRB

Available Online

PROE / SPREP

Des dispositifs de biosécurité et de surveillance des milieux ont été définis et mis en œuvre entre les îles de Futuna et d’Alofi, ainsi qu’entre ‘Uvea et les îlots du lagon de Wallis. Ces dispositifs visent à prévenir la propagation d’espèces exotiques envahissantes (EEE), notamment pour pérenniser les bénéfices des actions d’éradication et de restauration menées dans le cadre du projet. Leur mise en œuvre a donné lieu à de nombreuses actions de sensibilisation et de formation, visant à encourager l’adoption de gestes de prévention. La formation des services techniques et la fourniture d’équipements ont également permis de déployer un dispositif de suivi qui a déjà démontré des résultats concrets, notamment en identifiant une incursion de rats dans deux îlots de Wallis. L’action rapide qui a suivi cette identification a permis d’éviter la ré-invasion des rats, démontrant la forte complémentarité des actions menées dans le projet. FICHE FINALE DE CAPITALISATION DU PROJET PROTEGE, financé par l'Union Européenne.

Ua Pou islets (Motu Oa, Takahe and Mokohe) monitoring plan

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Cranwell, S. (Birdlife International)

Withers, T. (SOP Manu)

The tropical Marquesas islands are characterised by their isolation and high levels of endemicity among native fauna and flora. This includes forty-two percent of the 320 native vascular plants and a diverse terrestrial snail community, with at least 78 species represented. Of the 12 native land birds 11 occur only within the archipelago, several restricted to a single island. Nineteen species of seabird breed there including the most eastern population of the Endangered Phoenix Petrel. Monitoring of seabirds and other species before, during and after the project will inform the impact of removing rats from these islets including how endangered species respond and community interest.

Operational plan for eradication of Pacific Rats Rattus exulans from Motu Mokohae, Motu Takahe, & Motu Oa, at Ua Pou (Marquesas), French Polynesia

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Harper, GA

The operational plan for the eradication of Pacific rats Rattus exulans from Motu Mokohae, Motu Takahe, & Motu Oa, at Ua Pou (combined area; 50ha, Marquesas), French Polynesia, establishes the methodology, responsibilities and tasks required for the implementation of the proposed eradication operation.

Plan de biosécurité pour la restauration des îlots du lagon d'Uvea, Wallis et Futuna

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Baudouin des Monstiers (Island Conservation)

Marie Monrolin (Service Territorial de l'Environnement)

Le plan de Biosécurité des îlots de Wallis pose les standards par lesquels les risques de réintroductions de rongeurs ou d’introduction de nouvelles espèces seront minimisés. Il tend à atteindre ce standard de protection pour Wallis via des mesures volontaires ou rendues obligatoires sur le territoire. Les mesures permettant de viser ces standards sont présentées dans ce plan et les rôles et responsabilités y sont identifiés. L’acceptation et l’approbation de ce plan sont portés par le Service Territorial de l’Environnement de Wallis en consultation étroite avec la population locale.

Ua Pou Islets Pacific Rat Eradication - PROTEGE Final Monitoring and Biosecurity Report

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Cranwell, S. (Birdlife International)

Withers, T. (SOP Manu)

The Ua Pou islets Pacific rat eradication operation was undertaken in August-September 2023. It attempted a global first of aerially broadcasting rodent bait by drone from a small ship in open sea across the islets of Motu Tākaè, Motu Oa, and Motu Mokohe, at Ua Pou in the Marquesas Islands. The aerial bait application resulted in only two of the three islands having bait successfully applied across their entirety, nonetheless, monitoring 12 months later has confirmed Motu Oa and Motu Tākaè are rat free as is the partially isolated section of Motu Mokohe that was also baited. The eradication success is supported by the establishment of biosecurity knowledge and practices throughout the Ua Pou communities. The results of the seabird and other environmental monitoring will help sustain a commitment over time, as well as benefiting the wider conservation community. The operation demonstrated that drones could be operated off a boat for rodent eradication purposes but was constrained by the consistently strong winds and swell conditions. A larger vessel with a deeper draught is recommended for similar operations in the future and would likely increase the number of flyable days and improve the ease with which take-offs and landings are undertaken by the drone pilots.

Tokelau/Kimoa Rat, feral pig and feral cat eradication Operational Plan

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Jacques, P.

This operational plan presents the methodology and logistics for executing eradications of Pacific rats (Rattus exulans), Feral pigs (Sus scrofa) and feral cats (Felis catus) in Tokelau. This document stems directly from a feasibility report completed in January 2024. For details on the site, biodiversity values, the target species etc, please refer to the feasibility report. Planning issues and dependencies that must be resolved in the planning stage of the eradication were identified in the feasibility report. Pre-eradication trials were proposed to resolve questions around tools and techniques; the methodology for these trials is developed in Section 1 below. This should be used as a “living document”, the contents of which will inevitably change as planning for the eradication proceeds and as the results of pre-eradication trials are reported.

Feasibility Assessment for Suppressing Rats and Cats near Pangatu, Mangapiko Island, 2024-2034

SPREP Publications, Biodiversity Conservation, BRB

Available Online

This report assesses the feasibility of rat and cat suppression near the village of Pangatu on Mangapiko Island to protect the endangered manulavalava burrowing petrel. The project aims to increase the manulavalava population by improving breeding success.

Tokelau Kimoa/Rat, Feral Pig and Feral Cat Eradication Feasibility Assessment.

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Jacques, P.

The goal of this assessment is to assess the feasibility of permanently eradicating rats, feral cats and feral pigs from the entire territory of Tokelau and preventing the reinvasion of these species in the future. The intended audience are the decision makers of Tokelau, and, by extension, the community. The assessment will also be socialized amongst practitioners in the field of invasive mammal eradications for peer review.

Rats impact on the islands of Wallis and Futuna

SPREP Publications, Biodiversity Conservation, BRB

Available Online

Pacific Region Invasive Species Management Support Services (PRISMSS)

The project PROTEGE aims to remove the rats from islets in the lagoon of Wallis and prevent the spread of the black rat to Alofi, close to Futuna. These actions are a key part of the strategy of Wallis and Futuna against invasive alien species as the rats cause significant damage to native species. They are also a risk for the health of communities, as they spread leptospirosis - a disease that can have serious consequences.

Predation of sea turtle eggs by rats and crabs

Biodiversity Conservation, BRB

Available Online

Esteban, N.

Hays, G. C.

Stokes, H.

Given the importance of hatchling survival for sea turtles, we assessed the relative importance of nest predation for green turtles (Chelonia mydas) nesting at a major rookery on an isolated island where harvesting or poaching of eggs is zero but where there are a range of potential predators, both natural and introduced. In this way, our work helps identify the importance of managing and / or removing invasive predators that may have several negative ecosystem consequences.

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