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L'objectif de l'étude est de proposer un cadre juridique propice à la biosécurité de Wallis et Futuna, qui réinvestisse les dispositions préexistantes en les étoffant et les renforçant. Cela répond à un contexte où les textes relatifs à la biosécurité de Wallis-et-Futuna étais épars, hétérogènes et en partie obsolètes. Les enjeux de biosécurité poussent à la réflexion vers un corpus complet, cohérent et actualisé en la matière. Le droit international et régional, notamment les directives de Port-Moresby de 2007, permettent d’alimenter la réflexion en la matière. Pour réaliser cette proposition ont été réalisés : (i) des entretiens, (ii) des analyses bibliographiques et synthèses de doctrine, de droit comparé, de droit régional, de droit international, proposition légistique et (iii) des analyses bibliographiques, propositions de listes et de fiches techniques.

As human activities on the world's oceans intensify, mapping human pressure is essential to develop appropriate conservation strategies and prioritize investments with limited resources.

Coastal ecosystems can be degraded by poor water quality. Tracing the causes of poor water quality back to land-use change is necessary to target catchment management for coastal zone management. However, existing models for tracing the sources of pollution require extensive data-sets which are not available for many of the world’s coral reef regions that may have severe water quality issues. Here we develop a hierarchical Bayesian model that uses freely available satellite data to infer the connection between land-uses in catchments and water clarity in coastal oceans. We apply the model to estimate the influence of land-use change on water clarity in Fiji. We tested the model’s predictions against underwater surveys, finding that predictions of poor water quality are consistent with observations of high siltation and low coverage of sediment-sensitive coral genera. The model thus provides a means to link land-use change to declines in coastal water quality

Despite a growing body of literature on integrated land–sea management (ILSM), very little critical assessment has been conducted in order to evaluate ILSM in practice on island systems. Here we develop indicators for assessing 10 integrated island management principles and evaluate the performance of planning and implementation in four island ILSM projects from the tropical Pacific across different governance structures. We find that where customary governance is still strongly respected and enabled through national legislation, ILSM in practice can be very effective at restricting access and use according to fluctuations in resource availability. However, decision-making under customary governance systems may be vulnerable to mismanagement. Governmentled ILSM processes have the potential to design management actions that address the spatial scale of ecosystem processes and threats within the context of national policy and legislation, but may not fully capture broad stakeholder interests, and implementation may be poorly coordinated across highly dispersed island archipelagos. Private sector partnerships offer unique opportunities for resourcing island ILSM, although these are highly likely to be geared towards private sector interests that may change in the future and no longer align with community and/or national objectives. We identify consistent challenges that arise during island ILSM planning and implementation and offer recommendations for improvement.

PACC reports

Reports from the PACC project