Category Archives: lagarosiphon

Dam lower to fight aquatic weed

Posted September 2013
Meridian Energy, which uses the lake to generate electricity at the Benmore Power Station, began lowering the lake on Monday to allow Land Information New Zealand (Linz) to carry out a spraying programme to control lagarosiphon. READ MORE
Posted in chemical control, drawdown, lagarosiphon | Comments Off on Dam lower to fight aquatic weed

Southern lakes appear to be free of weed

Posted July 2013
Southland lakes have been found to be free of a fast-growing weed that chokes lakes and waterways, creating problems for recreational users and the aquatic environment. A systematic search of boat ramps along Southland lakes in May had found them free from lagarosiphon again this year, a pleasing result for the Department of Conservation. READ MORE
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Weed control helps lakes

Posted June 2013
A nationwide lake weed control programme carried out by Land Information New Zealand is having a positive impact on the health of some of Otago’s lakes, particularly Lake Wanaka.
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Posted in Ceratophyllyum, divers, hand-pulling, herbicide control, hornwort, lagarosiphon, suction | Comments Off on Weed control helps lakes

Gore District Council seeks more information on herbicide

Posted January 2013
The Gore District Council is seeking more information about an application by the Ministry of Primary Industries to use the aquatic herbicide Endothall in Southland. The ministry earlier this year sought resource consent for a 30-year approval to use Endothall to eradicate aquatic pests Hydrilla, Lagarosiphon and Hornwort, should they become a problem in Southland’s waters.
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Posted in aquatic herbicides, endothal, hornwort, hydrilla, international, lagarosiphon | Comments Off on Gore District Council seeks more information on herbicide