Dominant Types of Human Land Use (in mha) in the Susceptible Drylands (UNEP, 1992a)

Region

Irrigated Croplands

Rainfed Croplands

Rangelands

Total

Africa

10,424

79,822

1,342,345

1,432,591

Asia

92,021

218,174

1,571,240

1,881,435

Australia

1,870

42,120

657,223

701,213

Europe

11,898

22,106

111,570

145,574

N.America

20,867

74,199

483,141

578,207

S.America

8,415

21,346

380,901

410,662

World Total

145,495

457,767

4,556,420

5,159,682