An appraisal of systematic conservation planning for Pacific Ocean Tropical Islands coastal environments

Type Article
Date 2021-04
Language English
Author(s) André Laure1, 2, Van Wynsberge Simon3, Chinain Mireille4, Andrefouet Serge1
Affiliation(s) 1 : IRD Institut de Recherche pour le Développement – France, UMR 9220 Entropie (Institut de Recherche pour le Développement – France, Université de la Réunion, Université de la Nouvelle-Calédonie, Ifremer, Centre National de la Recherche Scientifique), BP A5, 98848 Nouméa cedex, New Caledonia
2 : SU Sorbonne Université, 21, rue de l'école de médecine, 75006 Paris, France
3 : Ifremer Institut Français de Recherche pour l'Exploitation de la Mer, UMR 9220 Entropie (Institut de Recherche pour le Développement – France, Université de la Réunion, Université de la Nouvelle-Calédonie, Ifremer, Centre National de la Recherche Scientifique), BP A5, 98848 Nouméa cedex, New Caledonia
4 : ILM Institut Louis Malardé, UMR 241 EIO (Ifremer, Institut Louis Malardé, Institut de Recherche pour le Développement, Université de la Polynésie française), BP 30, 98713 Papeete, Tahiti, French Polynesia
Source Marine Pollution Bulletin (0025-326X) (Elsevier BV), 2021-04 , Vol. 165 , P. 112131 (20p.
DOI 10.1016/j.marpolbul.2021.112131
WOS© Times Cited 4
Keyword(s) Pacific Ocean Tropical Islands, Spatial planning, Marine protected area, Aichi conservation target, Coral reef, Fishery
Abstract

Systematic Conservation Planning (SCP) offers concepts and toolboxes to make spatial decisions on where to focus conservation actions while minimizing a variety of costs to stakeholders. Thirty-four studies of Pacific Ocean Tropical Islands were scrutinized to categorize past and current types of applications. It appeared that scenarios were often built on a biodiversity representation objective, opportunity costs for fishers was the most frequent cost factor, and an evolution from simple to sophisticated scenarios followed the need to maximize resilience and connectivity while mitigating climate change impacts. However, proxies and models were often not validated, pointing to data quality issues. Customary management by local communities motivated applications specific to the Pacific region, but several island features remained ignored, including invertebrate fishing, ciguatera poisoning and mariculture. Fourteen recommendations are provided to enhance scenarios' robustness, island specificities integration, complex modelling accuracy, and better use of SCP for island management.

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