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Publications Published on 7 August 2013

État actuel et changements passés de l’étendue des zones humides en région méditerranéenne : un bilan

Dans cet article tiré des travaux de l’Observatoire des Zones Humides Méditerranéennes, a été quantifiée la surface de zones humides existant en Méditerranée, ainsi que leurs pertes au cours du siècle passé. Environ 18,5 millions d’ha. (+/- 3,5 million) existaient vers l’an 2000, dont environ un quart de zones humides artificielles, principalement des réservoirs et des rizières. Les pertes sont estimées à environ 50% au cours du 20ème siècle. Les cartes d’occupation du sol tirées de CORINE Land-Cover ont aussi été utilisées, afin de tester si elles permettraient de suivre, à l’échelle requise, la surface totale, la surface par type de zones humides, et la perte de ces milieux.

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