From: Response of CO2 fluxes and productivity to water availability in two contrasting ecosystems in northern Benin (West Africa)
Ecosystems
Total length (days)
Rainy length (days)
Rainy/total rainy length (%)
–
Forest
Savannah
Period I
121
5
4
Period II
61
20
19
16
14
Period III
122
80
88
65
66
Period IV
22
15
Total
365
124
134
100