Lake Weed Control Report for the 2004/2005 Season Lake Proposed Activity Control Type Locations Works Update Inspection Details (18 February 2005) Bendigo Boat Ramp & Approaches Site sprayed on 8 December Inspection of Northburn, Lowburn, 2004 McNulty’s and Bendigo revealed Lowburn Inlet Site sprayed on 8 December Lagarosiphon had fallen over and areas Dunstan Aerial spraying to Chemical (Diquat 2004 clear for water activities. Good result. control Lagarosiphon Aquagel) McNulty’s Inlet Site sprayed on 8 December major (oxygen weed) 2004 Next inspection planned for March/April Cromwell Swimming Beach Site sprayed on 8 December 2005 2004 Champagne Gully Site sprayed on 2 February 2005 Jacksons Site sprayed on 2 February 2005 Old Cromwell Township & Boat Site sprayed on 2 February 2005 Ramps Panner’s Cove Site sprayed on 2 February 2005 Northburn Ski Lane Site sprayed on 8 December 2004 Bannockburn Inlet Site sprayed on 2 February 2005 Aerial spraying to 88 hectares treated on 28 Inspection planned for March/April 2005 control Lagarosiphon Ahuriri Delta & Arm January 2005. A further 22 major (oxygen weed) hectares treated on 2 February Chemical (Diquat 2005. Benmore Boat-based spraying to Aquagel) The Neck Worked started on Wednesday 8 control Lagarosiphon Mechanical (suction December 2004 and completed major (oxygen weed) dredging) on 16 December 2004. Some follow-up treatment completed on 17 February 2005. Mechanical (suction Sailors Cutting Treatment completed on 17 dredging) February 2005. Aerial spraying to Paddock Bay Aerially sprayed on 7 December Inspection of the sites aerially sprayed control Lagarosiphon Chemical (Diquat 2004. revealed Lagarosiphon to have either major (oxygen weed) Aquagel) fallen over and no longer restricting Wanaka Mechanical (suction access to waterways, or to have Boat-based spraying to dredging, Parkins Bay Aerially sprayed on 7 December defoliated and bottom sediments visible. control Lagarosiphon handweeding) 2004. major (oxygen weed) Glendu Bay to the Point No control works The Point to Pembroke Park Limited suction dredging on 21 November 2004. Roys Bay – Pembroke Park to Eely Suction dredging took place Point between 3 and 7 December 2004. Further inspections planned for Eely Point to Mount Burke Work commenced week March/April 2005 beginning 6 December 2004. Mt Burke to Quartz Creek Aerially sprayed on 7 December 2004. Quartz Ck to neck of Stevensons Work undertaken and Arm (excluding Isthmus) completed on 14 December 2004. Isthmus Aerially sprayed on 7 December 2004. Wanaka Mechanical (suction Colquhouns To West Wanaka Bay Work undertaken and dredging/hand completed on 14 December weeding/monitoring) 2004. West Wanaka Bay Aerially sprayed on 7 December 2004. Roys Peninsula to Bishops Bay Work undertaken and Bluff completed on 14 December 2004. Roys Peninsula Bluff Point to Work undertaken and Paddock Bay narrows completed on 14 December 2004. Ruby Island Limited suction dredging took place on 25 November 2004. Mou Waho Island Suction dredging took place between 22 and 26 November 2004. Mou Tapu Island Suction dredging took place between 22 November and 5 December 2004. Stevenson Island Aerially sprayed on 7 December 2004.
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