New Zealand fur seal demographics

Cape Foulwind, 2009

Mark-recapture estimate, 08 Feb 2009

Total marked
162
Mean estimate
196.6
Range
189.9 – 202.8

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 08 Feb 2009 07:59 – 08:05 Block field 1 3
08 Feb 2009 07:43 – 07:47 Central 1 5
08 Feb 2009 08:07 – 08:13 North gut 1 2
08 Feb 2009 07:35 – 07:42 South gut 4 13
08 Feb 2009 07:49 – 07:57 Stone field 4 36
All sectors 11 59 - - 162 - 191.9
2 08 Feb 2009 08:43 – 08:48 Block field 5 2
08 Feb 2009 08:24 – 08:28 Central - 6
08 Feb 2009 08:50 – 08:55 North gut 1 -
08 Feb 2009 08:16 – 08:22 South gut 3 17
08 Feb 2009 08:30 – 08:41 Stone field 5 36
All sectors 14 61 - - 162 - 198.8
3 08 Feb 2009 09:19 – 09:23 Block field - 2
08 Feb 2009 09:05 – 09:08 Central - 3
08 Feb 2009 09:24 – 09:30 North gut 2 1
08 Feb 2009 08:58 – 09:04 South gut 5 16
08 Feb 2009 09:10 – 09:17 Stone field 7 33
All sectors 14 55 - - 162 - 202.8
4 08 Feb 2009 09:55 – 09:58 Block field 2 1
08 Feb 2009 09:40 – 09:43 Central - 5
08 Feb 2009 09:58 – 10:00 North gut 2 4
08 Feb 2009 09:35 – 09:39 South gut 3 18
08 Feb 2009 09:45 – 09:53 Stone field 5 41
All sectors 12 69 - - 162 - 189.9
5 08 Feb 2009 10:20 – 10:24 Block field 1 2
08 Feb 2009 10:08 – 10:11 Central - 6
08 Feb 2009 10:25 – 10:30 North gut 4 3
08 Feb 2009 10:03 – 10:07 South gut 3 15
08 Feb 2009 10:13 – 10:19 Stone field 6 34
All sectors 14 60 - - 162 - 199.4