A large-scale drop of 1080 poison over 4000 hectares in three Northland forests is due to start today.
The Kauri Coast Department of Conservation operation will see 1080-laced pellets scattered over parts of the Waima, Waipoua and Mataraua Forests. Today sees the 'pre-feed' spread of non-toxic grain pellets bait to give the targeted species a taste for it before the deadly stuff is dropped a couple of days later.
About 1kg of non toxic pre-feed bait will be spread per hectare, then 2kg of 1080 cereal pellets per hectare - with two helicopters working six hours a day.
Local iwi Te Roroa and owners of adjacent properties have known about the drop well in advance and are generally supportive, Kauri Coast conservation services manager Luke Archbold said. The three neighbouring forests contain the largest number of kauri left in New Zealand and are at the heart of a proposed Kauri National Park.
"This is business as usual, we've been doing it for many a year," Mr Archbold said.