4 July 2019

More than $7.5 million over four years has been set aside as part of Budget 2019 to support Land Information New Zealand’s work to protect lakes, rivers and lands from invasive weeds and pests.

A significant amount of this funding will be directed to improving surveillance, monitoring and control efforts of lake weed at several of our iconic lakes including Lakes Wakatipu, Dunstan, Wanaka, Benmore and Aviemore in the South Island, and several Te Arawa Rotorua lakes and Lake Karapiro in the North Island.

“This is really good news for these major lakes,” says LINZ Biosecurity and Biodiversity Director Dave Mole.

“The funding means we can double our annual spend to around $2 million, on tackling the spread of aquatic pests like lagarosiphon.”

The money will allow LINZ, working with Boffa Miskell and NIWA, to increase surveillance of lake weed, as well as improve the monitoring and evaluation of control activities such as hessian matting and herbicide spraying.

The biosecurity team will also look at what additional control methods could be used to meet community expectations.

“This is the first increase to baseline funding in ten years to support biosecurity and biodiversity programmes, and demonstrates the great work being done by the lakeweed management groups for each of these lakes.”

Maintaining the health of our waterways is vital, not only to the environment but also the economy. The threat posed by invasive species such as lagarosiphon is very real, as waterways can become clogged with weed getting in the way of lake users and out-competing native species.

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