Wekakura Point, 2018

Mark-recapture estimate, 31 Jan – 27 Feb 2018

Total marked
150
Mean estimate
247.6
Range
226.8 – 280.3

Mark-recapture counts

Count number Date Time Sector Unmarked count Marked count Dead marked Dead unmarked Total marked Cum. dead Estimate?
1 31 Jan 2018 16:00 – 16:17 Headland 1 20 52
02 Feb 2018 08:42 – 09:05 Headland 2 12 30
27 Feb 2018 07:55 – 08:17 Headland 3 21 9
All sectors 53 91 - - 150 - 237.0
2 31 Jan 2018 16:37 – 16:57 Headland 1 21 52
02 Feb 2018 09:25 – 09:45 Headland 2 17 29
27 Feb 2018 08:37 – 08:58 Headland 3 19 8
All sectors 57 89 - - 150 - 245.6
3 31 Jan 2018 17:17 – 17:38 Headland 1 21 56
02 Feb 2018 10:05 – 10:35 Headland 2 13 27
27 Feb 2018 09:18 – 09:37 Headland 3 54 18
All sectors 88 101 - - 150 - 280.3
4 01 Feb 2018 17:20 – 17:40 Headland 1 28 59
27 Feb 2018 10:10 – 10:40 Headland 2 13 25
27 Feb 2018 09:57 – 10:15 Headland 3 24 15
All sectors 65 99 - - 150 - 248.2
5 01 Feb 2018 18:00 – 18:14 Headland 1 22 74
27 Feb 2018 10:55 – 11:30 Headland 2 20 29
27 Feb 2018 16:08 – 16:58 Headland 3 18 14
All sectors 60 117 - - 150 - 226.8

Dead count, 30–31 Jan 2018

Count
6

Dead counts

Date Sector Fresh Decomposing Dry Count
30 Jan 2018 Headland 1 1 - 1 2
31 Jan 2018 Headland 2 3 - - 3
31 Jan 2018 Headland 3 1 - - 1
All sectors 5 - 1 6