Plains Like Volta Basin

Savé Valley

Plain

5.34 Mediocre

Benue Trough

Plain

4.88 Poor

Brahmaputra Plain

Plain

6.88 Fair

Orinoco Plains

Plain

6.67 Fair

Limpopo Basin

Plain

5.96 Mediocre

Accra Plain

Plain

5.04 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

Niger Delta plains

Plain

8.05 Great

Kakum National Park

Rainforest

7.92 Good

Okavango Basin

Plain

7.87 Good

Volta

River

7.69 Good

Atewa Range Forest Reserve

Rainforest

7.62 Good

Ankasa Resource Reserve

Rainforest

7.45 Good

Coromandel Coast plain

Plain

7.45 Good

Bia National Park

Rainforest

7.36 Good

Lomami River

River

7.00 Good

Chao Phraya Plain

Plain

6.92 Fair

Indo-Gangetic Plain

Plain

6.76 Fair