Current works

Willow clearance at Otukaikino River

Date of Works: 9/12/2019 – 20/12/2019 with work resuming in the New Year

Map of current works at Otukaikino RiverWillow and other overgrown weedy plants are being removed from a stretch of the Otukaikino River upstream of Dickeys Road to the top end of the Groynes Dog Park.

This work is required to remove willows which are blocking the river and impeding water flows. The work will also greatly improve access along the river for recreation.

There is heavy machinery and chainsaws in use at this site, so the public will be excluded from entering the works area for safety.

The Otukaikino Track traverses alongside the work site, and to ensure the safety of users of the track, there may be a detour established around the work site - however this will be well sign posted.

We also request that dog walkers have their dogs on a lead through this area to ensure dogs are also not entering the hazardous works area.

There will be large piles of greenwaste around the works area as trees are removed, these will be chipped and removed as works progress. When tree removal has been finished, the site will be replanted with natives.

Contact: Graeme McPhail 027 435 4221

Willows growing within the channel

Willows are growing within the channel, blocking flows and impeding access to the river for recreation. These will be removed.

Areas of blackberry, dead willow and other noxious plants

Areas of blackberry, dead willow and other noxious plants such as Old Mans Beard will also be removed to make way for native planting.

 

Helicopter spraying for pest plant control - Lower Waitaki River

Date of works: The work will start mid-February 2020 and continue as weather and river flows permit until mid-March 2020, and will be clearly signposted.

Environment Canterbury is carrying out its annual spraying programme in the Lower Waitaki riverbed, starting mid-February, to help control willow, broom and gorse.

This spraying benefits the flood-carrying capacity of the Waitaki River by ensuring that floodwaters are not impeded by excessive growth in the riverbed.

Property owners, recreational, and other users of the river are advised that herbicide spraying (glyphosate and triclopyr, along with added surfactant compounds) is scheduled to be undertaken between Duntroon and Kurow.

The spraying is covered under resource consent with strict environmental controls.

Spray site:

  • Waitaki River – Otekaikeke to above Kurow

Map of spray site - Waitaki River - Otekaikeke to above Kurow

Sprays used:

  • Glyphosate (Nufarm Lion 490 or equivalent)
  • Triclopyr (Agpro Triclopyr 600)
  • Surfactant (Kwicken Oil – canola based oil that helps herbicide ‘stick’ to plants therefore less herbicide required)

Spray application method:

  • Helicopter

Contact:

  • Sam Kidner - 027 304 4255

Helicopter spraying for pest plant control - Upper Waitaki River

Date of works: The work will start early February and continue as weather permits until mid-March and will be clearly signposted.

Environment Canterbury is carrying out its annual spraying programme in the Tekapo, Pukaki and Upper Ohau riverbeds, starting in February, to help control woody weeds, including gorse, broom, lupin, willow and alder.

This spraying benefits the flood carrying capacity of the rivers, as well as providing clear gravels for bird nesting and maintaining the unique character of the Mackenzie basin.

Property owners, recreational, and other users of the river are advised that herbicide spraying (glyphosate and triclopyr, along with added surfactant compounds) is scheduled to be undertaken at the sites shown below.

The spraying is covered under resource consent with strict environmental controls.

Spray sites:

  • Tekapo River – Delta above Lake Benmore, upstream to Grays River confluence
  • Tekapo River – Grays River confluence upstream to Edwards Stream confluence
  • Tekapo River – downstream of Tekapo township
  • Pukaki River – Tekapo River confluence upstream to pylons
  • Upper Ohau River – 400m upstream of Lake Ruataniwha to below Lake Ohau outlet weir
Map of spray site - Tekapo River - Delta above Lake Benmore, upstream to Grays
Tekapo River – Grays River confluence upstream to Edwards Stream confluence
Tekapo River – downstream of Tekapo township
Pukaki River – Tekapo River confluence upstream to pylons
Upper Ohau River - 400m upstream of Lake Ruataniwha to below Lake Ohau outlet weir

Sprays used:

  • Glyphosate (Nufarm Lion 490 or equivalent)
  • Triclopyr (Agpro Triclopyr 600)
  • Surfactant (Kwicken Oil – canola based oil that helps herbicide ‘stick’ to plants therefore less herbicide required)

Spray application method:

  • Helicopter

Contact:

  • Sam Kidner - 027 304 4255