Survey period |
C.Cantin-C.Juby |
C.Juby-C.Blanc |
Mauritania |
Senegal-Gambia |
Total |
Feb-Mar 1992 |
+ |
+ |
90 |
440 |
530 |
Nov-Dec 1995 |
+ |
90 |
80 |
10 |
180 |
Nov-Dec 1996 |
+ |
600 |
62 |
+ |
662 |
Nov-Dec 1997 |
+ |
505 |
150 |
+ |
655 |
Nov-Dec 1998 |
+ |
540 |
259 |
+ |
799 |
Nov-Dec 1999 |
+ |
290 |
296 |
67 |
653 |
Nov-Dec 2000 |
+ |
1030 |
724 |
8 |
1762 |
Nov-Dec 2001 |
+ |
240 |
+ |
125 |
365 |
May-Jun 2002 |
|
195 |
800 |
86 |
1082 |
Nov-Dec 2002 |
|
350 |
179 |
50 |
579 |