GC: n

S: http://www.fao.org/docrep/t0122e/t0122e03.htm (last access: 7 July 2016); http://oppenheimer.mcgill.ca/From-Arid-Zones-into-the-Desert?lang=en (last access: 12 March 2013)

N: Either of the zones of latitude 15–30° N and S characterized by very low rainfall and desert or semidesert terrain.

S: http://www.collinsdictionary.com/dictionary/english/arid-zone (last access: 2 September 2013)

SYN:
S:

CR: desert, desertification, drought, erosion.