Plains Like Limpopo Basin

Okavango Basin

Plain

7.87 Good

Sahel

Plain

6.88 Fair

Chad Basin

Plain

6.24 Fair

Savé Valley

Plain

5.34 Mediocre

Volta Basin

Plain

5.29 Mediocre

Benue Trough

Plain

4.88 Poor

Tigris-Euphrates Plain

Plain

9.25 Excellent

Nile Valley

Plain

8.35 Great

Khuzestan Plain

Plain

8.20 Great

Punjab Plain

Plain

7.19 Good

Amboseli Plain

Plain

7.19 Good

Kalahari Basin

Plain

7.16 Good

Cyrenaica plain

Plain

7.10 Good

Tripolitanian Plain

Plain

6.95 Fair

Brahmaputra Plain

Plain

6.88 Fair

Orinoco Plains

Plain

6.67 Fair

Awash Valley

Plain

6.64 Fair

Dnieper Lowland

Plain

6.42 Fair

Makgadikgadi Pans

Plain

6.42 Fair

Cuvelai-Etosha Basin

Plain

6.26 Fair

Niger Inland Delta

Plain

6.24 Fair

Ebro Valley

Plain

6.24 Fair

Maritsa Plain

Plain

5.98 Mediocre

Kura-Araks Lowland

Plain

5.98 Mediocre