New Zealand fur seal demographics

Wekakura Point, 1996

Mark-recapture estimate, 01–02 Feb 1996

Total marked
816
Mean estimate
1099.6
Range
1056.8 – 1129.1

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 01 Feb 1996 08:17 – 10:56 Headland 1 50 118
01 Feb 1996 01:14 – 03:55 Headland 2 28 148
02 Feb 1996 04:07 – 06:14 Headland 3 55 93
All sectors 133 359 - - 816 - 1117.8
2 01 Feb 1996 08:17 – 10:56 Headland 1 39 116
01 Feb 1996 01:14 – 03:55 Headland 2 31 151
02 Feb 1996 04:07 – 06:14 Headland 3 50 69
All sectors 120 336 - - 816 - 1106.9
3 01 Feb 1996 08:17 – 10:56 Headland 1 38 99
01 Feb 1996 01:14 – 03:55 Headland 2 29 147
02 Feb 1996 04:07 – 06:14 Headland 3 56 74
All sectors 123 320 - - 816 - 1129.1
4 01 Feb 1996 08:17 – 10:56 Headland 1 23 98
01 Feb 1996 01:14 – 03:55 Headland 2 26 137
02 Feb 1996 04:07 – 06:14 Headland 3 57 83
All sectors 106 318 - - 816 - 1087.5
5 01 Feb 1996 08:17 – 10:56 Headland 1 23 103
01 Feb 1996 01:14 – 03:55 Headland 2 25 149
02 Feb 1996 04:07 – 06:14 Headland 3 54 93
All sectors 102 345 - - 816 - 1056.8