Status and Trends of Biodiversity
Overview
Given its situation in the zone of confluence of the Nearctic and Neotropical biogeographic regions, its very varied topography and climate, its long history of in situ evolution and the manipulation and domestication of plant populations and species by indigenous people, Mexico is one of the five foremost biologically “megadiverse” countries in the world: It has five of the eight principal terrestrial biomes, and has one of the greatest assemblages of ecosystem diversity anywhere on the planet – a facet of biodiversity shared only with China, India, Peru and Colombia...
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Number and Extent of Protected Areas
Mexico has 159 federal reserves, covering a total of 22,275,672 hectares, with Biosphere Reserves comprising around 50% of the total area. 77% of this total comprises terrestrial ecosystems, while the remaining 23% protects marine environments, including coral reefs and coastal habitats. Mexico also has 67 Ramsar sites for wetland protection, with a surface of more than 5 million hectares – the second country with highest number of wetlands of international importance in the world...
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Percentage of Forest Cover
73% of Mexico’s total land surface, that is over 140 million of a total of 194.3 million hectares, is covered by natural vegetation. Of this, a little over 71 million hectares (36.5% of Mexico’s territory) is forested (ecosystems in which trees predominate), while the remainder is mostly desert scrub and natural grasslands...
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