Pest Management Programme
Stations (2026)
Overview at end of 2026
4000+ stations, alternating traps & baits.
Spacing of stations – 25m
Key – Pest management areas within Sanctuary
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LW Little Windy Hill (Control began 1999) |
BHB Benthorn Bush (Control began 2005) |
BHP Benthorn Paddocks (Control began 2007) |
EX Extension (Control began Dec 2024) |
BW Big Windy (Control began 2007) |
RB Rosalie Bay (Control began 2010)
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TAU Taumata (2017-2024 privately managed from Aug 2024)
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Contr Control (unmanaged) (Tracking tunnels from 2006)
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TR Tryphena Ridge (Control began 2022)
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Date |
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TT % annual average |
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Events |
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LWH |
BH |
BW |
RB |
TAU |
Contr |
TR |
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1999- 2004 |
Trapping Only |
39.5 |
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2005 |
Trapping with 2 x 1 week pulses cholecalciferol Strikers |
42.5 |
38 |
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|
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2006 |
Trapping with 2 x 3 week pulses cholecalciferol Strikers |
15.8 |
49 |
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|
79.2 |
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|
|
2007 |
Trapping with 2 x 6 week pulses cholecalciferol Strikers |
8.2 |
10.4 |
9.6 |
|
|
91.2 |
|
Huge storms |
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2008 |
Trapping with 2 x 6 week pulses cholecalciferol Strikers |
15.2 |
15.2 |
8.4 |
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|
82.5 |
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2009 |
Brodifacoum |
11 |
9.4 |
17.6 |
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|
48.3 |
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2010 |
Brodifacoum |
14 |
7.4 |
9.8 |
8.8 |
|
76 |
|
Drought |
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2011 |
Trapping 50% & 50% 150gram Diphacenone Feb-May 2 x 20R brodifacoum perimeter track only |
8.5 |
8 |
8 |
22 |
|
56 |
|
|
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2012 |
Trapping 50% & 50% 100gram Diphacenone Feb-May 2 x 20R brodifacoum perimeter track only |
15 |
8 |
16 |
28* |
|
88 |
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2013 |
Trapping 50% & 50% 50gram Diphacenone Feb-May 2 x 20R brodifacoum perimeter track only |
6.5 |
5 |
16* |
10 |
|
62 |
|
Drought |
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2014 |
Trapping 50% & 50% 50gram Diphacenone Change Aug 2014 to Trapping 50% & 20gram Cholecalciferol |
13 |
9 |
20 |
16 |
|
54 |
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2015 |
Trapping 50% & 20gram Cholecalciferol LWH trapping 50% and 50gram Diphacenone Oct, Nov – BW, RB tree baits |
9.5 |
5 |
22 |
14 |
|
52 |
|
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|
2016 |
LWH – Trapping 50% & 50 grams diphacenone BH – Trapping 50% & 20gram Cholecalciferol RB – Perimeter 50% traps & 100grams diphacenone in trees. Internal 100% 100grams diphacenone in trees. BW – Goodnature traps 50x100m spacing |
9 |
11 |
26.4 |
12 |
|
54 |
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Wet summer > high food abundance |
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Date |
Management |
LWH |
BH |
BW |
RB |
TAU |
Contr |
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Events |
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2017 |
LWH – Trapping 50% & 100 grams diphacenone BH – Trapping 50% & 100 grams diphacenone RB – Perimeter 50% traps & 100grams diphacenone in trees. Internal 100% 100grams diphacenone in trees. BW – Goodnature traps 25x100m spacing TAU – 150gram diphacenone in trees. 3 pulses |
7.5 |
5 |
31 |
2 |
5 |
43 |
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Warm winter, wetter than normal summer |
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2018 |
LWH – Trapping 50% & 150 grams diphacenone- tree baits May – Sept BH – Trapping 50% & 150 grams diphacenone RB – Perimeter 50% traps & 500grams diphacenone in trees. Internal 100% 150grams diphacenone in trees. BW – Goodnature traps 25x100m spacing to Aug 2018. Sept – Trapping 50% & 150 grams diphacenone TAU – 150gram diphacenone in trees. 3 pulses
|
5.5 |
8 |
11.5 |
12 |
11.5 |
55 |
|
Warm winter, wetter than normal summer |
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2019 |
LWH – Trapping 50% & 100 grams diphacenone- Perimeter long life baits BH – Trapping 50% & 100 grams diphacenone RB – Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. BW –Trapping 50% & 100 grams diphacenone. Trial of diphacenone pellets. TAU – 200gram diphacenone in trees. 3 pulses of 8 weeks |
5 |
6.25 |
15 |
15 |
16 |
52 |
|
Drought |
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2020 |
LWH – Trapping 50% & 48 grams Double Tap pellet bait BH – Trapping 50% & 100 grams diphacenone RB – Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. BW –– Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. TAU – 100 gram diphacenone in trees. 2 pulses of 10 weeks. |
6.25 |
5 |
12.5 |
0 |
10.6 |
54 |
|
Drought |
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2021 |
LWH – Trapping 50% & 48 grams Double Tap pellet bait to July. August 100 grams Diphacenone. BH – Trapping 50% & 100 grams diphacenone RB – Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. BW – Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. TAU – 100 gram diphacenone in trees. Continuous baiting replaced quarterly. |
14.3 |
12.5 |
13.75 |
10 |
18.75 |
77.5 |
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Wetter summer and spring |
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2022 |
LWH – Trapping 50% & 100 grams Diphacenone. BH – Trapping 50% & 100 grams diphacenone RB – Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. BW – Perimeter 50% traps & 100grams diphacenone. Internal 100% 100grams diphacenone. TAU – 50 % traps & 100 gram diphacenone in trees. Continuous trapping & baiting replaced quarterly. TR – 50% traps & 100 grams diphacenone |
6.25 |
10 |
5 |
10 |
14.3 |
65 |
3(part year) |
Very Wet summer and spring |
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