New Zealand fur seal demographics

Cape Foulwind, 2004

Mark-recapture estimate, 28 Jan – 04 Feb 2004

Total marked
200
Mean estimate
309.3
Range
295.7 – 323.1

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 28 Jan 2004 13:33 – 13:36 Block field 4 2
28 Jan 2004 13:15 – 13:19 Central 5 10
28 Jan 2004 13:41 – 13:49 North gut 1 2
28 Jan 2004 13:06 – 13:10 South gut 7 10
28 Jan 2004 13:25 – 13:29 Stone field 12 26
All sectors 29 50 - - 200 - 314.3
2 28 Jan 2004 14:23 – 14:27 Block field 3 -
28 Jan 2004 14:05 – 14:10 Central 11 9
28 Jan 2004 14:29 – 14:32 North gut 1 -
28 Jan 2004 13:59 – 14:03 South gut 9 9
28 Jan 2004 14:14 – 14:18 Stone field 12 22
All sectors 36 40 - - 200 - 376.5
3 28 Jan 2004 15:17 – 15:20 Block field 1 3
28 Jan 2004 14:54 – 15:00 Central 7 8
28 Jan 2004 15:21 – 15:23 North gut 2 1
28 Jan 2004 14:45 – 14:48 South gut 5 14
28 Jan 2004 15:03 – 15:10 Stone field 13 17
All sectors 28 43 - - 200 - 327.9
4 28 Jan 2004 15:57 – 16:04 Block field 3 1
28 Jan 2004 15:43 – 15:46 Central 11 12
28 Jan 2004 16:05 – 16:06 North gut 2 1
28 Jan 2004 15:37 – 15:41 South gut 6 9
28 Jan 2004 15:51 – 15:55 Stone field 16 21
All sectors 38 44 - - 200 - 369.7
5 28 Jan 2004 16:38 – 16:41 Block field 1 2
28 Jan 2004 16:25 – 16:28 Central 4 6
28 Jan 2004 16:43 – 16:46 North gut 1 2
28 Jan 2004 16:19 – 16:23 South gut 7 13
28 Jan 2004 16:32 – 16:36 Stone field 12 15
All sectors 25 38 - - 200 - 328.8
1 04 Feb 2004 10:56 – 11:00 Block field 5 3
04 Feb 2004 10:43 – 10:46 Central 6 17
04 Feb 2004 11:01 – 11:04 North gut 1 7
04 Feb 2004 10:39 – 10:42 South gut 6 11
04 Feb 2004 10:48 – 10:54 Stone field 18 21
All sectors 36 59 - - 200 - 320.6
2 04 Feb 2004 11:29 – 11:32 Block field 6 3
04 Feb 2004 11:15 – 11:19 Central 2 15
04 Feb 2004 11:33 – 11:36 North gut 2 7
04 Feb 2004 11:08 – 11:14 South gut 7 13
04 Feb 2004 11:22 – 11:27 Stone field 13 24
All sectors 30 62 - - 200 - 295.7
3 04 Feb 2004 12:00 – 12:04 Block field 3 2
04 Feb 2004 11:45 – 11:49 Central 5 8
04 Feb 2004 12:06 – 12:10 North gut 1 6
04 Feb 2004 11:40 – 11:44 South gut 5 10
04 Feb 2004 11:52 – 11:58 Stone field 12 24
All sectors 26 50 - - 200 - 302.5
4 04 Feb 2004 12:35 – 12:39 Block field 5 2
04 Feb 2004 12:19 – 12:22 Central 3 7
04 Feb 2004 12:40 – 12:42 North gut 3 6
04 Feb 2004 12:13 – 12:17 South gut 8 13
04 Feb 2004 12:24 – 12:29 Stone field 11 20
All sectors 30 48 - - 200 - 323.1
5 04 Feb 2004 13:02 – 13:04 Block field 1 1
04 Feb 2004 12:50 – 12:53 Central 4 9
04 Feb 2004 13:05 – 13:08 North gut 2 3
04 Feb 2004 12:46 – 12:49 South gut 6 14
04 Feb 2004 12:55 – 13:01 Stone field 12 20
All sectors 25 47 - - 200 - 304.7