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

Ganges Plain

Plain

8.60 Great

Serengeti Plain

Plain

8.42 Great

Nile Valley

Plain

8.35 Great

Central Lowlands of Thailand

Plain

8.30 Great

Barotse Floodplain

Plain

8.25 Great

Brahmaputra Valley

Plain

8.20 Great

Ganga-Yamuna Doab

Plain

8.10 Great

Cross River National Park

Rainforest

8.04 Great

Gashaka-Gumti National Park

Rainforest

7.88 Good

Okavango Basin

Plain

7.87 Good

Coromandel Coast plain

Plain

7.45 Good

Okomu National Park

Rainforest

7.42 Good

Omo Forest Reserve

Rainforest

7.38 Good

Niger River

River

7.31 Good

Lomami River

River

7.00 Good

Chao Phraya Plain

Plain

6.92 Fair

Indo-Gangetic Plain

Plain

6.76 Fair