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  • Tags / Keywords Baseline and monitoring
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Tokelau Kimoa/Rat, Feral Pig and Feral Cat Eradication Feasibility Assessment.
SPREP Publications, Island and Ocean Ecosystems, BRB
Available Online

Jacques, P.

2024
Eradication of rodents, feral pigs and feral cats from Tokelau would bring many benefits, both to terrestrial and marine biodiversity and to the livelihoods and well-being of the community. The restoration of native biodiversity following the removal of invasive mammals is a nature-based solution to maximise the resilience of the islands to the threats posed by human-induced climate change. The proposed eradication is sustainable if biosecurity measures are improved and maintained for the movement of people and goods between Apia (Samoa) and each nuku, and if long-term management can prevent the reintroduction of domestic pigs and cats onto the motu. The eradication is achievable provided that the community agree with the proposed methodology and are willing to support all recommendations. The key dependency is the acceptability to the community of slaughtering all or most of the domestic pigs prior to the eradication of rodents and restocking the communal pig pens only after the caution period has expired. The proposed eradication is technically feasible and within the current limitations of a range of tools. This document will be submitted for consideration to the Taupulega of each nuku and other stakeholders. The dependencies summarised in section 8 will need to be considered carefully as these must be resolved before a Tokelau-wide eradication can proceed. If the proposal is considered acceptable then a trial eradication using ground-based techniques could be conducted on several islets during 2024. This would have the advantage of demonstrating the benefits of eradicating invasive mammals to the local community, including increased abundance of resources including coconut fruit and crabs.
InvaCost, a Public Database of the Economic Costs of Biological Invasions Worldwide
Island and Ocean Ecosystems, BRB
Available Online

Assailly, C.

,

Courchamp, F.

,

Diagne, C.

,

Gozlan, R. E.

,

Jarić, I.

,

Jourdain, F.

,

Leroy, B.

,

Nuninger, L.

,

Roiz, D.

,

Vaissière, A.-C.

2020
Biological invasions are responsible for tremendous impacts globally, including huge economic losses and management expenditures. Efficiently mitigating this major driver of global change requires the improvement of public awareness and policy regarding its substantial impacts on our socio-ecosystems. One option to contribute to this overall objective is to inform people on the economic costs linked to these impacts; however, until now, a reliable synthesis of invasion costs has never been produced at a global scale. Here, we introduce InvaCost as the most up-to-date, comprehensive, harmonised and robust compilation and description of economic cost estimates associated with biological invasions worldwide. We have developed a systematic, standardised methodology to collect information from peer-reviewed articles and grey literature, while ensuring data validity and method repeatability for further transparent inputs. Our manuscript presents the methodology and tools used to build and populate this living and publicly available database. InvaCost provides an essential basis (2419 cost estimates currently compiled) for worldwide research, management efforts and, ultimately, for datadriven and evidence-based policymaking.