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Final Checks and Renormalization of Land Use

Two final adjustments are made to the land area values to clean up any quirks that might have be introduced in the previous processes. First, the values for each category are bound between one thousand and ten billion hectares. Second, the values are normalized so that the sum of the categories equals the total amount of land.

ag equation 133

Finally, a value for world forest area (WFORST) is calculated at the end of this process by summing forestland area across all countries.

ag equation 134