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Informing dugong conservation at several spatial and temporal scales in New Caledonia

Abstract : Comprehensive, up-to-date spatial information on species distributions and threatening processes can enhance the identification of sites for conservation and management action. Such information is often incomplete or simply unavailable at a scale that can inform real-world decision making because the cost and capacity needed for collecting reliable information are high especially when targeting species that occupy large ranges. Obtaining data to inform conservation at the appropriate spatial scale is of particular importance for species that occupy large ranges. The dugong (Dugong dugon) is a seagrass specialist and marine mammal that occurs over 130,000 km of coastline in the Indo-West-Pacific. The dugong attracts global conservation attention because it is listed as vulnerable (IUCN Red List) and is increasingly exposed to multiple anthropogenic hazards in most of its range. There are many regions within the dugong’s range where the likelihood of survival of the species is unknown. Collecting spatial-ecological information on the dugong in these regions can inform and optimize the effectiveness of regional and national conservation and management initiatives. The island-archipelago of New Caledonia is located in the Oceania region at the eastern edge of the dugong’s range. The conservation status of the dugong in this region is unknown. The presence of the charismatic dugong in the lagoons of New Caledonia was an explicit reason for the World Heritage listing of some of the lagoons. No conservation actions have been implemented in New Caledonia to ensure the maintenance of the dugong stock except for the legislation that restricts dugong harvesting despite the species’ high biodiversity, cultural and traditional value.
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Submitted on : Tuesday, May 24, 2016 - 7:19:08 AM
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  • HAL Id : tel-01320505, version 1




Christophe Cleguer. Informing dugong conservation at several spatial and temporal scales in New Caledonia. Biodiversity and Ecology. Université Pierre et Marie Curie, Paris (France); James Cook University, Townsville (Australie), 2015. English. ⟨NNT : ⟩. ⟨tel-01320505⟩



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