La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Remaining natural vegetation in the global biodiversity hotspots
Auteurs :	Sean Sloan, Auteur ; Clinton N. Jenkins, Auteur ; Lucas N. Joppa, Auteur ; David L. A. Gaveau, Auteur ; William F. Laurance, Auteur
Type de document :	Article
Dans :	Biological Conservation (177 SEP 2014)
Article en page(s) :	12-24
Langues:	Anglais
Résumé :	The biodiversity hotspots are 35 biogeographical regions that have both exceptional endemism and extreme threats to their vegetation integrity, and as such are global conservation priorities. Nonetheless, prior estimates of natural intact vegetation (NIV) in the hotspots are generally imprecise, indirect, coarse, and/or dated. Using moderate- and high-resolution satellite imagery as well as maps of roads, settlements, and fires, we estimate the current extent of NIV for the hotspots. Our analysis indicates that hotspots retain 14.9% of their total area as NIV (similar to 3,546,975 km(2)). Most hotspots have much less NIV than previously estimated, with half now having

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