New Zealand fur seal demographics

Open Bay Islands, 1995

Mark-recapture estimate, 02–03 Feb 1995

Total marked
793
Mean estimate
1435.7
Range
1373.2 – 1475.3

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 02 Feb 1995 18:20 – 20:09 Sector 1 19 -
02 Feb 1995 18:20 – 20:09 Sector 2 8 22
02 Feb 1995 18:20 – 20:09 Sector 3 32 44
02 Feb 1995 18:20 – 20:09 Sector 4 26 20
02 Feb 1995 18:20 – 20:09 Sector 5 33 67
02 Feb 1995 18:20 – 20:09 Sector 6 14 58
02 Feb 1995 09:59 – 11:49 Sector 7 39 22
All sectors 171 233 - - 793 - 1373.2
2 03 Feb 1995 09:59 – 11:49 Sector 1 10 -
03 Feb 1995 09:59 – 11:49 Sector 2 6 21
03 Feb 1995 09:59 – 11:49 Sector 3 20 31
03 Feb 1995 09:59 – 11:49 Sector 4 38 30
03 Feb 1995 09:59 – 11:49 Sector 5 23 42
03 Feb 1995 09:59 – 11:49 Sector 6 33 60
02 Feb 1995 12:14 – 14:30 Sector 7 42 19
All sectors 172 203 - - 793 - 1462.5
3 03 Feb 1995 12:14 – 14:30 Sector 1 13 -
03 Feb 1995 12:14 – 14:30 Sector 2 7 16
03 Feb 1995 12:14 – 14:30 Sector 3 21 30
03 Feb 1995 12:14 – 14:30 Sector 4 33 29
03 Feb 1995 12:14 – 14:30 Sector 5 18 36
03 Feb 1995 12:14 – 14:30 Sector 6 32 59
02 Feb 1995 14:56 – 16:45 Sector 7 41 21
All sectors 165 191 - - 793 - 1475.3
4 03 Feb 1995 14:56 – 16:45 Sector 1 9 -
03 Feb 1995 14:56 – 16:45 Sector 2 10 22
03 Feb 1995 14:56 – 16:45 Sector 3 19 22
03 Feb 1995 14:56 – 16:45 Sector 4 41 36
03 Feb 1995 14:56 – 16:45 Sector 5 19 42
03 Feb 1995 14:56 – 16:45 Sector 6 18 49
03 Feb 1995 17:09 – 19:07 Sector 7 46 22
All sectors 162 193 - - 793 - 1456.0
5 03 Feb 1995 17:09 – 19:07 Sector 1 - -
03 Feb 1995 17:09 – 19:07 Sector 2 9 21
03 Feb 1995 17:09 – 19:07 Sector 3 16 26
03 Feb 1995 17:09 – 19:07 Sector 4 34 28
03 Feb 1995 17:09 – 19:07 Sector 5 29 51
03 Feb 1995 17:09 – 19:07 Sector 6 25 52
03 Feb 1995 17:09 – 19:07 Sector 7 42 20
All sectors 155 198 - - 793 - 1411.4