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Dispositif de suivi de l'abondance et de l'impact du cerf - Fiche finale de capitalisation - PROTEGE
SPREP Publications, Biodiversity Conservation, BRB
Available Online

PROE / SPREP

2025
Des dispositifs innovants de suivi ont été développés afin de mesurer l’impact du Cerf Rusa sur le sous-bois de forêts humides de Nouvelle Calédonie et évaluer l’abondance de cette espèce envahissante, dans trois zones prioritaires du territoire. L’élaboration de ces dispositifs poursuit des objectifs complémentaires aux actions de régulation professionnelle mises en œuvre dans le cadre de PROTEGE. Le suivi vise notamment à réaliser un état initial et à évaluer les bénéfices des opérations de régulation, grâce à des outils adaptés à des zones d’intervention difficiles d’accès et caractérisées par une biodiversité exceptionnelle, plus de 80% des espèces végétales des forêts humides d’altitude étant endémiques à la Nouvelle-Calédonie. Un travail initial de sectorisation a permis mieux de caractériser les enjeux, les pressions sur l’environnement ainsi que le contexte socio-économique afin de délimiter les zones d’intervention prioritaires. Pour la première fois en Nouvelle-Calédonie, un protocole standardisé de mesure de l’impact des cerfs a été élaboré. Il s’appuie sur plusieurs indicateurs et prend en compte les spécificités des espèces végétales concernées et des contraintes associées à sa mise en œuvre. En complément, PROTEGE a permis d’élaborer une méthodeinnovante d’évaluation de l’abondance des cerfs, reposant sur l’utilisation d’un drone équipé de capteur thermique pour l’enregistrement de vidéos nocturnes. Un algorithme développé spécifiquement a par ailleurs vocation à réaliser automatiquement les détections à partir de ces vidéos, facilitant considérablement le traitement des données. La mise en œuvre de ce protocole pour la prospection de 4 700 hectares a révélé des densités de populations et des concentrations de hardes localement très élevées, atteignant par endroits des niveaux parmi les plus élevés enregistrés à l’échelle mondiale. Ces résultats fournissent des informations précieuses pour le ciblage de futures interventions et le suivi de leurs bénéfices. FICHE FINALE DE CAPITALISATION DU PROJET PROTEGE, financé par l'Union Européenne.
Terminal evaluation of UN Environment project: Prevention, control and management on invasive alien species in the Pacific island.
Biodiversity Conservation, BRB
Available Online

Thomas, Peter.

2017
Invasive alien species represent an insidious and pervasive threat to the environmental, economic and human well-being of the Pacific islands. Pacific island ecosystems make up one of the world’s important biodiversity hotspots, with high numbers of endemic species that are particularly vulnerable to extinction due to their limited habitat and isolation.|This book is intended to serve as a practical guide, calling attention to the need to link emergencies, disasters and development, not only in policy statements, but in practical ways. The book identifies physical and social factors and processes determining disaster vulnerability and offers the reader a range of vulnerability-reduction options in development and disaster mitigation. The book covers the main relief and response technologies for a range of natural and technological disasters, and deals with community participation, health education, training and other social aspects relevant to the protection of health and the environment in emergencies and disasters.|The UNEP/GEF Prevention, Control and Management of Invasive Alien Species in the Pacific Islands project also known as the IAS project, commenced on 12 September 2012 and was due for completion on 30 September 2016, following an extension of one year. The project was designed to provide support to Pacific Island countries in their national efforts to implement the Guidelines for Invasive Species Management in the Pacific – a Pacific Strategy for managing pest, weeds and other invasive species (Tye 2009) which were developed and adopted as the regional strategic framework for invasive species management in 2009. Ten Pacific Island countries originally participated in the IAS project, these being the Cook Islands, Federated States of Micronesia, Kiribati, Marshall Islands, Niue, Palau, Papua New Guinea, Samoa, Tonga and Vanuatu. These were reduced to nine countries with the withdrawal of Papua New Guinea following the Mid-Term Review due to issues related to the country’s readiness to engage with the project. The project was therefore, responsible for delivering of support to a culturally, geographically and economic diverse set of Small Island Developing States (SIDS) spread across the vast geographical scope of the Pacific Ocean. The project was implemented by the UN Environment as the Implementing Agency (IA) and Executed by the Secretariat of the Pacific Regional Environment Programme (SPREP) as the Executing Agency (EA). In-country sub projects and activities were facilitated by National Project Coordinators and overseen by national Invasive Species Coordinating Committees. Its goal "to conserve ecosystems, species and genetic diversity in the Pacific region" is broad and aspirational and is backed by the Objective "to reduce the environmental economic and human health impacts of invasive alien species in both terrestrial and marine habitats in the Pacific region". The Project consisted of 5 core components: Building foundations for sustainable Invasive Alien Species (IAS) management by generating awareness and support, building institution and human capacity and strengthening legislation, policy and protocols. Defining problems, prioritisation and decision making by improving baseline information on IAS distribution and status, establishing systems to assess risk and prioritise action and developing or utilising effective management techniques. Taking management action through improved bio-security and border protection, direct management action through eradication and application of best practice methods and restoring ecosystems after IAS management. Undertaking effective monitoring and evaluation of the project.| Establishing effective and efficient project management and governance. This Terminal Project Evaluation is undertaken by the Evaluation Office of the UN Environment in order to assess the effectiveness of the project and its likely future impact on the state of IAS management in the region and its likely impact on invasive species and the environmental health of the participating countries. Further, the report aims to discern lessons and offers recommendations which may help improve the development and implementation of similar multi-country projects in the future both in the Pacific region and globally.