New Zealand fur seal demographics

Cape Foulwind, 1999

Mark-recapture estimate, 02 Feb 1999

Total marked
140
Mean estimate
189.9
Range
180.3 – 200.8

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 02 Feb 1999 09:01 – 09:11 Black field 2 2
02 Feb 1999 08:45 – 08:50 Central 1 11
02 Feb 1999 09:12 – 09:17 North gut 3 2
02 Feb 1999 08:37 – 08:44 South gut 2 7
02 Feb 1999 08:53 – 09:00 Stone field 4 12
All sectors 12 34 - - 140 - 188.3
2 02 Feb 1999 09:54 – 09:58 Black field 2 2
02 Feb 1999 09:37 – 09:41 Central 2 9
02 Feb 1999 09:59 – 10:04 North gut - 2
02 Feb 1999 09:26 – 09:33 South gut 3 6
02 Feb 1999 09:42 – 09:53 Stone field 3 15
All sectors 10 34 - - 140 - 180.3
3 02 Feb 1999 10:42 – 10:47 Black field 3 3
02 Feb 1999 10:18 – 10:28 Central 2 7
02 Feb 1999 10:48 – 10:54 North gut - 1
02 Feb 1999 10:11 – 10:17 South gut 4 7
02 Feb 1999 10:29 – 01:04 Stone field 3 17
All sectors 12 35 - - 140 - 187
4 02 Feb 1999 11:23 – 11:28 Black field 4 4
02 Feb 1999 11:04 – 11:12 Central 3 15
02 Feb 1999 11:28 – 11:35 North gut 3 2
02 Feb 1999 10:56 – 11:03 South gut 2 8
02 Feb 1999 11:13 – 11:22 Stone field 6 18
All sectors 18 47 - - 140 - 192.9
5 02 Feb 1999 12:25 – 12:35 Black field 3 3
02 Feb 1999 11:48 – 11:58 Central 6 19
02 Feb 1999 12:25 – 12:35 North gut 1 1
02 Feb 1999 11:37 – 11:47 South gut 3 9
02 Feb 1999 11:48 – 11:58 Stone field 9 18
All sectors 22 50 - - 140 - 200.8