Definition(s)
Arid, semi-arid or dry sub-humid areas, in which the ratio of mean annual precipitation to mean annual potential evapo-transpiration lies between 0.05 and 0.65. Areas with a ratio of less than 0.05 are considered hyper-arid deserts (Source: UNCCD Reporting Glossary, 2013)

See all documents containing the keywords "dryland"

Broader

Used for

  • terres arides
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