New Zealand fur seal demographics

Cape Foulwind, 2000

Mark-recapture estimate, 05 Feb 2000

Total marked
131
Mean estimate
151.5
Range
144 – 160.5

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 05 Feb 2000 16:15 – 16:19 Block field - -
05 Feb 2000 16:06 – 16:09 Central 1 5
05 Feb 2000 16:19 – 16:23 North gut - 4
05 Feb 2000 16:00 – 16:05 South gut 3 6
05 Feb 2000 16:09 – 16:15 Stone field 1 6
All sectors 5 21 2 - 129 2 160.5
2 05 Feb 2000 17:22 – 17:25 Block field - -
05 Feb 2000 17:12 – 17:17 Central - 3
05 Feb 2000 17:25 – 17:31 North gut 2 6
05 Feb 2000 17:02 – 17:12 South gut 1 6
05 Feb 2000 17:17 – 17:22 Stone field - 8
All sectors 3 23 - - 129 2 147.3
3 05 Feb 2000 17:57 – 18:00 Block field - -
05 Feb 2000 17:45 – 17:50 Central - 2
05 Feb 2000 18:00 – 18:04 North gut - 5
05 Feb 2000 17:38 – 17:45 South gut 2 5
05 Feb 2000 17:50 – 17:57 Stone field 1 17
All sectors 3 29 - - 129 2 144
4 05 Feb 2000 18:33 – 18:36 Block field - -
05 Feb 2000 18:18 – 18:25 Central - 8
05 Feb 2000 18:36 – 18:40 North gut 1 3
05 Feb 2000 18:08 – 18:18 South gut 4 3
05 Feb 2000 18:25 – 18:33 Stone field 2 18
All sectors 7 32 - - 129 2 158.6
5 05 Feb 2000 19:09 – 19:12 Block field - -
05 Feb 2000 18:52 – 19:00 Central - 4
05 Feb 2000 19:12 – 19:17 North gut - 1
05 Feb 2000 18:47 – 18:52 South gut 2 3
05 Feb 2000 19:00 – 19:09 Stone field 1 15
All sectors 3 23 - - 129 2 147.3
6 05 Feb 2000 19:41 – 19:43 Block field - 1
05 Feb 2000 19:30 – 19:35 Central - 4
05 Feb 2000 19:43 – 19:47 North gut - 1
05 Feb 2000 19:24 – 19:30 South gut 1 2
05 Feb 2000 19:35 – 19:41 Stone field 1 12
All sectors 2 20 - - 129 2 143.4