|
Sociolinguistic groups surveyed
|
Nago, Ifé
|
Idaatcha, Fon
|
Mahi, Adja
|
Nago, Tchabè
|
Mahi, Idaatcha
|
Tchabè, Idaatcha
|
|
Population
|
107,181
|
112,122
|
124,431
|
142,017
|
144,549
|
87,177
|
|
Climate
|
Transition between subequatorial and Sudano-Guinean climate
|
Sub-equatorial climate
|
Sub-equatorial climate
|
Tropical climate intermediate between Guinean and Sudanese climate
|
Transition between subequatorial and Sudano-Guinean climate
|
Tropical climate intermediate between Guinean and Sudanese climate
|
|
Area (Km2)
|
2695
|
1711
|
1750
|
3200
|
2674
|
2228
|
|
Annual rainfall (mm)
|
600–1600
|
900–1100
|
959.56–1255.5
|
1100–1200
|
864–1637.3
|
1100–1300
|
|
Annual temperature (°C)
|
23 to 37
|
21 to 36
|
24 to 29
|
24 to 26
|
23 to 36
|
20 to 34
|
|
Vegetation
|
Wooded savannah area with part of classified forest
|
Wooded savannah and shrubby cut deciduous and semi-deciduous forests
|
The vegetation consists of natural formations
|
The plant cover is made of wooded savannah, shrubby, gallery forests and part of classified forest
|
The vegetation consists of islands of dense forest, savannah, fallow land and fields.
|
Graminaceous savannah with trees and shrubs. Classified forest
|
|
Soils
|
Tropical ferruginous soils
|
Tropical ferruginous soils
|
Soils sandy clay, hydromorphic and tropical ferruginous
|
Soils are clayey, hydromorphic and tropical ferruginous
|
Tropical ferruginous soils
|
Tropical ferruginous soils
|
|
Farming system
|
Cassava-Yam-Maize-based
|
Cassava-Soybean-Maize-based
|
Yam-Rice-Cassava-based
|
Cassava-Yam-Groundnut-based
|
Cassava-Yam-Maize-based
|
Cassava-Yam-Soybean-based
|
|
Number of surveyed villages
|
4
|
4
|
3
|
4
|
4
|
4
|