New Zealand fur seal demographics

Wekakura Point, 1995

Mark-recapture estimate, 01–03 Feb 1995

Total marked
703
Mean estimate
901.7
Range
893.0 – 920.8

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 01 Feb 1995 06:30 – 20:00 Headland 1 8 51
02 Feb 1995 07:00 – 08:30 Headland 2 42 100
02 Feb 1995 09:00 – 10:30 Headland 3 20 90
All sectors 70 241 - - 703 - 906.6
2 01 Feb 1995 06:30 – 20:00 Headland 1 5 57
02 Feb 1995 07:00 – 08:30 Headland 2 31 77
02 Feb 1995 09:00 – 10:30 Headland 3 15 54
All sectors 51 188 - - 703 - 893.0
3 01 Feb 1995 06:30 – 20:00 Headland 1 8 70
02 Feb 1995 07:00 – 08:30 Headland 2 30 69
02 Feb 1995 09:00 – 10:30 Headland 3 18 41
All sectors 56 180 - - 703 - 920.8
4 01 Feb 1995 06:30 – 20:00 Headland 1 8 67
02 Feb 1995 07:00 – 08:30 Headland 2 36 88
02 Feb 1995 09:00 – 10:30 Headland 3 12 51
All sectors 56 206 - - 703 - 893.5
5 01 Feb 1995 06:30 – 20:00 Headland 1 8 60
02 Feb 1995 07:00 – 08:30 Headland 2 28 65
03 Feb 1995 09:00 – 10:30 Headland 3 13 54
All sectors 49 179 - - 703 - 894.6