Plains Like Benue Trough

Savé Valley

Plain

5.34 Mediocre

Volta Basin

Plain

5.29 Mediocre

Niger Delta plains

Plain

8.05 Great

Brahmaputra Plain

Plain

6.88 Fair

Niger Delta Plain

Plain

6.72 Fair

Orinoco Plains

Plain

6.67 Fair

Limpopo Basin

Plain

5.96 Mediocre

Chindwin Plain

Plain

4.88 Poor

Salween Plain

Plain

4.60 Poor

Sittang Plain

Plain

4.60 Poor

Nile Valley plains

Plain

9.50 Brilliant

Masai Mara plains

Plain

9.35 Excellent

Congo Basin floodplain

Plain

9.05 Excellent

Amazon Basin

Plain

8.79 Great

Ganges Plain

Plain

8.60 Great

Sudd plains

Plain

8.60 Great

Serengeti Plain

Plain

8.42 Great

Nile Valley

Plain

8.35 Great

Barotse Floodplain

Plain

8.25 Great

Brahmaputra Valley

Plain

8.20 Great

Masai Mara Plain

Plain

8.11 Great

Ganga-Yamuna Doab

Plain

8.10 Great

Zambezi floodplain

Plain

8.10 Great

Okavango Basin

Plain

7.87 Good