Cape Foulwind, 2018

Mark-recapture estimate, 07–09 Feb 2018

Total marked
118
Mean estimate
149.2
Range
130.7 – 159.7

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 07 Feb 2018 08:41 – 08:53 Boulder field 3 8
07 Feb 2018 08:26 – 08:37 Central 5 22
07 Feb 2018 08:57 – 09:08 North gut 3 2
07 Feb 2018 08:10 – 08:24 South gut 3 7
All sectors 14 39 - - 118 - 159.7
2 07 Feb 2018 10:55 – 11:06 Boulder field 5 15
07 Feb 2018 10:32 – 10:44 Central 4 12
07 Feb 2018 11:08 – 11:19 North gut 1 2
07 Feb 2018 10:18 – 10:30 South gut 2 7
All sectors 12 36 - - 118 - 156.6
3 08 Feb 2018 08:31 – 08:42 Boulder field 4 13
08 Feb 2018 08:14 – 08:26 Central 3 10
08 Feb 2018 08:46 – 08:58 North gut 1 4
08 Feb 2018 08:00 – 08:12 South gut 4 10
All sectors 12 37 - - 118 - 155.6
4 08 Feb 2018 09:36 – 09:47 Boulder field 3 25
08 Feb 2018 09:18 – 09:30 Central 3 9
08 Feb 2018 09:50 – 10:02 North gut 1 2
08 Feb 2018 09:05 – 09:16 South gut 5 19
All sectors 12 55 - - 118 - 143.5
5 09 Feb 2018 08:25 – 08:37 Boulder field 1 17
09 Feb 2018 08:09 – 08:20 Central 1 9
09 Feb 2018 08:41 – 08:52 North gut 1 2
09 Feb 2018 08:05 – 08:07 South gut 2 18
All sectors 5 46 - - 118 - 130.7

Dead count, 30 Jan – 06 Feb 2018

Count
6

Dead counts

Date Sector Fresh Decomposing Dry Count
30–31 Jan 2018 Sector 1 - 2 1 3
30–31 Jan 2018 Sector 2 1 - - 1
30–31 Jan 2018 Sector 3 - 1 1 2
31 Jan 2018 Sector 4 - - - -
All sectors 1 3 2 6