Canterbury Region - Pest Plant Control Programme 2010/11

8 October 2010

Public notice: Property owners, recreational and other users of the riverbeds and lakes in the Canterbury Region listed below are advised that herbicide spraying (glyphosate, triclopyr and picloram, along with added surfactant compounds) is scheduled to be undertaken by helicopter and/or ground application for the control of woody weeds, including gorse, broom, lupin and old man’s beard. The work to be carried out will commence no earlier than 11 October 2010 and will continue intermittently as weather permits until 30 April 2011. No control works will be carried out on public holidays or weekends which immediately precede or follow public holidays, or during the period from 20 December 2010 to 10 January 2011 inclusive.

The control works will be carried out by:

  • ground spraying (g) by either gun and hose, knapsack, mistblowers or using handtools.
  • aerial spot and/or boom spraying (a)
  • ground and aerial (a,g).

The areas involved include:

  1. Ahuriri River, Downstream of SH8 Road Bridge, (g)
  2. Ashburton River, South Branch, upstream of Hakatere, (g)
  3. Ashley/Whistler Rivers, Upstream of the confluence of the two rivers, (g)
  4. Boyle River*, Upstream of Hope confluence*, (a,g)
  5. Charwell River*, Upstream of Limestone Creek confluence*, (a,g)
  6. Clarence River*, Upper Clarence*, (a,g)
  7. Clarence River*, Mid Clarence*, (a,g)
  8. Clarence River*, Lower Clarence - Matai Flat to sea*, (a,g)
  9. Esk River, Upper Esk, including Flora, Nigger and Lochinvar, (a)
  10. Forest Creek, Upstream of Rangitata River Confluence, (g)
  11. Grey River North Canterbury*, Grey River*, (a,g)
  12. Hakataramea River*, Upstream of Cattle Creek*, (g)
  13. Hanmer River, Riverview to Leslie Hills Road, (g)
  14. Hope River, Upstream of Hope Road Bridge to Boyle Confluence, (a)
  15. Hurunui River, Entire South Branch, (g)
  16. Hurunui River, Entire North Branch, (g)
  17. Hurunui River, Lower Hurunui (Downstream of SH1), (a,g)
  18. Hurunui River, Mid Hurunui (Downstream of SH7 & Hurunui Rd), (a,g)
  19. Jollie River, At First Creek, (g)
  20. Kahutara River*, Upper Kahutara River*, (a,g)
  21. Kahutara River*, Lower Kahutara River*, (a)
  22. Karetu River*, Karetu River*, (a,g)
  23. Lake Aviemore, Northern Shoreline, (g)
  24. Lake Benmore, Foreshore - Ahuriri Neck, (g)
  25. Lake Ohau, Western Shoreline, (g)
  26. Lake Ohau, Eastern Shoreline, (g)
  27. Lake Pukaki, SH8 Junction to Tekapo B Power Station, (g)
  28. Lake Pukaki, Pukaki High Dam to Hayman Road Junction, (g)
  29. Lake Pukaki, Area C - North of Boundary Stream, (g)
  30. Lake Pukaki, Area D - Boundary Stream to rest area track, (g)
  31. Lake Pukaki, Area F - Southern shoreline near Pukaki High Dam, (g)
  32. Lake Pukaki, Area G - Rest area Track to Peters Lookout, (g)
  33. Lake Pukaki, Area H - Peters Lookout to Big Rock Stream, (g)
  34. Lake Pukaki, Area I - Big Rock Stream to Jack Steel Stream, (g)
  35. Lake Pukaki, Area J - Jack Steel Stm to Pukaki Downs boundary, (g)
  36. Lake Pukaki, Area A - North of 'The Rest', (g)
  37. Leader River*, Upstream of Waiau confluence*, (g)
  38. Lottery River, Upstream of Sherwood Lodge, (g)
  39. Maerewhenua River*, Entire South Branch*, (a,g)
  40. Maerewhenua River, Entire North Branch, (a,g)
  41. Makerikeri River*, Makerikeri River*, (a,g)
  42. Mason River*, Near Mount Lyford*, (g)
  43. North Opuha River*, Upper North Opuha River*, (g)
  44. Ohau River, Ohau River at Lake Ruataniwha, (g)
  45. Ohau River, Between Lake Ruataniwha and Lake Ohau, (g)
  46. Okuku River*, Lower Okuku*, (a,g)
  47. Orari River, Upper Orari - Upstream of Rocky Stream, (g)
  48. Orari River, Rocky Stream to Pickaxe Stream, (g)
  49. Otaio River, Otaio River Upstream Otiao Gorge, (a)
  50. Pahau River*, SH7 to Hurunui River Confluence*, (g)
  51. Pahau River*, Upstream of Culverden Road*, (g)
  52. Porter River*, Upstream of Thomas River confluence*, (g)
  53. Poulter River, Upstream of the Mount White Bridge, (a)
  54. Puhi Puhi River, Above Clinton Bridge to Hapuku River Confluence, (g)
  55. Pukaki River, From Dam to Tekapo River Confluence, (g)
  56. Pukaki River, From Dam to Tekapo River Confluence, (g)
  57. Rakaia River, Upper Rakaia, (a,g)
  58. Rakaia River, Adjacent to Double Hill, (a)
  59. Rangitata River, Upper Rangitata River, (a,g)
  60. Selwyn River, Upper Selwyn between Fort Jackson and Flagpole, (g)
  61. Swift River, Upstream of Ashburton River North Branch, (a)
  62. Tasman River, Upper Tasman River near Black Point, (g)
  63. Tekapo River, All Tekapo River, (g)
  64. Tekapo River, All Tekapo River, (g)
  65. Tengawai River, Upper Tengawai - Upstream of Trap Stream, (g)
  66. Tengawai River*, Lower Tengawai - Between Trap Stream and Manahune*, (a,g)
  67. Thirteen Mile Bush Stream*, Upstream of Benmore Station*, (g)
  68. Twizel River, Lower Twizel River, (g)
  69. Waiau River*, Mid Waiau (Hanmer River confluence to Waiau town)*, (a)
  70. Waiau River, Near Waiau township, (g)
  71. Waiau River, SH1 to the sea, (a,g)
  72. Waihi River*, Upper Waihi River - upstream of Rae Road*, (g)
  73. Waimakariri River, Upstream of the Cora Lynn Rail Bridge, (a)
  74. Wilberforce River, Upper Wilberforce - Upstream of Wilberforce Canal, (a)

Sites marked by (*) indicate they are subject to further investigation before control works are confirmed.

Copies of the full Land Information New Zealand annual control works programme are available on the LINZ website and further information is available from Boffa Miskell Ltd during office hours by phoning 0800 638 943, writing to PO Box 110, Christchurch 8140, or emailing marcus.girvan@boffamiskell.co.nz.

Media enquiries: Brad Young, Land Information New Zealand, phone +64 4 460 0147, mobile +64 27 277 1267, email
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