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  • Collection SPREP Publications
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  • Tags / Keywords Predator Free Pacific (PFP)
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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)

2024
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.
Technical Support to Melad in Rat Eradication, Biosecurity Motu Surveys, and Seabird Monitoring at Kiritimati, Kiribati, November 2023
SPREP Publications, Biodiversity Conservation, BRB
Available Online

Cranwell, S.

,

Pierce, R.

,

Taabu, K.

2023
Field support and training was provided to Government of Kiribati staff at Kiritimati (Christmas Island) during 1-15 November 2023 as part of a Biopama project facilitated by BirdLife/SPREP. This project focused on rat eradication for biodiversity recovery, and associated outcome monitoring and capacity building. Specific objectives (and outcomes) included eradicating Kimoa (Rattus exulans) which had reinvaded Big Nimroona and SW Nimroona motu in 2017 (both motu were baited 6 days apart); confirming the status of invasives and birds on other key motu (checks of other significant motu indicated that Kimoa remain absent and rat-sensitive birds are thriving as a result); monitoring of endangered seabirds revealed that the Kiritimati population of Te Ruru continues to increase, while a large number of smaller motu provide secure nesting for Te Bwebwe ni Marawa; determining island and motu biosecurity needs (detailed biosecurity needs lists were completed and motu surveillance protocols adapted); and some additional training was completed for all.