New Zealand fur seal demographics

Wekakura Point, 1994

Mark-recapture estimate, 02–03 Feb 1994

Total marked
790
Mean estimate
1007.9
Range
982.1 – 1045.3

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 03 Feb 1994 02:49 – 15:25 Headland 1 23 81
02 Feb 1994 01:53 – 14:21 Headland 2 17 75
03 Feb 1994 02:49 – 15:25 Headland 3 20 90
All sectors 60 246 - - 790 - 982.1
2 03 Feb 1994 02:49 – 15:25 Headland 1 16 72
02 Feb 1994 01:53 – 14:21 Headland 2 16 53
03 Feb 1994 02:49 – 15:25 Headland 3 15 54
All sectors 47 179 - - 790 - 996.5
3 03 Feb 1994 02:49 – 15:25 Headland 1 15 54
02 Feb 1994 01:53 – 14:21 Headland 2 18 62
03 Feb 1994 02:49 – 15:25 Headland 3 18 41
All sectors 51 157 - - 790 - 1045.3
4 03 Feb 1994 02:49 – 15:25 Headland 1 15 59
02 Feb 1994 01:53 – 14:21 Headland 2 15 42
03 Feb 1994 02:49 – 15:25 Headland 3 12 51
All sectors 42 152 - - 790 - 1007.1
5 03 Feb 1994 02:49 – 15:25 Headland 1 11 60
02 Feb 1994 01:53 – 14:21 Headland 2 21 48
03 Feb 1994 02:49 – 15:25 Headland 3 13 54
All sectors 45 162 - - 790 - 1008.4