Content Tree cover is defined structurally as the proportional, vertically projected area of vegetation including leaves, stems, branches, etc. There are four kinds of databases available: Natural Protected Areas under National Administration These areas are divided into two categories: the protected areas established with definitive status and the protected areas with transitory status, which are called reserved areas these are not displayed in the GRAS Tool. Maps of continental regions, ecofloristic zones, and frontier forests were combined to determine the spatial distribution of global carbon zones. Availability of data Data are freely available to the public on the website of the Regional Land Cover Monitoring System. Other common designations: Biological Reserve, Botanical Reserve.
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