Surveying shrimp aquaculture pond activity using multitemporal VHSR satellite images - case study from the Perancak estuary, Bali, Indonesia
2018
Gusmawati, Niken | Soulard, Benoêt | Selmaoui-Folcher, Nazha | Proisy, Christophe | Mustafa, Akhmad | Le Gendre, Romain | Laugier, Thierry | Lemonnier, Hugues | Agency of Research and Development for Marine and Fisheries, Ministry of Marine Affairs and Fisheries | Pôle Pluridisciplinaire de la Matière et de l'Environnement (PPME) ; Université de la Nouvelle-Calédonie (UNC) | Lagons, Ecosystèmes et Aquaculture Durable en Nouvelle-Calédonie (LEADNC) ; Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) | Botanique et Modélisation de l'Architecture des Plantes et des Végétations (UMR AMAP) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud]) | Institut Français de Pondichéry (IFP) ; Ministère de l'Europe et des Affaires étrangères (MEAE)-Centre National de la Recherche Scientifique (CNRS)
International audience
Show more [+] Less [-]English. From the 1980's, Indonesian shrimp production has continuously increased through a large expansion of culturedareas and an intensification of the production. As consequences of diseases and environmental degradations linkedto this development, there are currently 250,000 ha of abandoned ponds in Indonesia. To implement effectiveprocedure to undertake appropriate aquaculture ecosystem assessment and monitoring, an integrated indicatorbased on four criteria using very high spatial optical satellite images, has been developed to discriminate activefrom abandoned ponds. These criteria were: presence of water, aerator, feeding bridge and vegetation. Thisindicator has then been applied to the Perancak estuary, a production area in decline, to highlight the abandonmentdynamic between 2001 and 2015. Two risk factors that could contribute to explain dynamics of abandonmentwereidentified: climate conditions and pond locations within the estuary, suggesting that a spatial approach should beintegrated in planning processes to operationalize pond rehabilitation.
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