New Zealand fur seal demographics

Cape Foulwind, 1994

Mark-recapture estimate, 15 Feb 1994

Total marked
195
Mean estimate
403.2
Range
309.7 – 471.2

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 15 Feb 1994 13:30 – 13:35 Sector 1 3 4
15 Feb 1994 13:38 – 13:50 Sector 2 - 5
15 Feb 1994 13:55 – 14:05 Sector 3 16 31
15 Feb 1994 14:08 – 14:25 Sector 4 5 -
All sectors 24 40 - - 195 - 309.7
2 15 Feb 1994 14:35 – 14:40 Sector 1 5 4
15 Feb 1994 14:43 – 14:54 Sector 2 3 1
15 Feb 1994 15:00 – 15:15 Sector 3 13 15
15 Feb 1994 15:18 – 15:35 Sector 4 10 1
All sectors 31 21 - - 195 - 471.2
3 15 Feb 1994 15:45 – 15:55 Sector 1 8 3
15 Feb 1994 15:58 – 16:10 Sector 2 3 3
15 Feb 1994 16:15 – 16:30 Sector 3 15 20
15 Feb 1994 16:35 – 16:45 Sector 4 8 -
All sectors 34 26 - - 195 - 441.8
4 15 Feb 1994 16:55 – 17:00 Sector 1 7 8
15 Feb 1994 17:05 – 17:15 Sector 2 5 4
15 Feb 1994 17:16 – 17:35 Sector 3 19 22
15 Feb 1994 17:39 – 18:00 Sector 4 3 -
All sectors 34 34 - - 195 - 385.4
5 15 Feb 1994 18:10 – 18:15 Sector 1 10 10
15 Feb 1994 18:18 – 18:30 Sector 2 5 6
15 Feb 1994 18:35 – 18:55 Sector 3 21 18
15 Feb 1994 18:58 – 19:10 Sector 4 2 -
All sectors 38 34 - - 195 - 407.8