J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
111 | 111 | 111 | Mali | Central delta of Niger River | |||||||||
111 | 111 | 111 | Chad | Chad basin | |||||||||
111 | 111 | Nigeria | Cross River (Jan 2004-Dec 2006) | ||||||||||
111 | 111 | Senegal | Lower Senegal River | ||||||||||
111 | Chad | Not given |