The Convention on the Conservation of Migratory Species of Wild Animals (CMS) has published, "Living Planet: Connected Planet - Preventing the End of the World's Wildlife Migrations through Ecological Networks" highlighing the importance of ecological connectivity and corridors, and the threats they face from human development, exploitation of natural resources and other factors. Therein, the authors suggest that the Mean Species Abundance, which measures both the diversity of species and their numbers, will decrease from 0.70 in 2000, to about 0.63 by 2050. According to the UN Environment Programme (UNEP), this is equivalent to losing all fauna and flora in an area of 9.1 million square kilometers, approximately the size of the US or China.
During its launch at COP-10, Elizabeth Mrema, CMS Executive Secretary, also stressed the importance of international cooperation to manage large transboundary networks. Some of the largest countries are not Parties to the CMS, which creates challenges for protecting migratory species worldwide.
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