Invasive weed eradicated from Lake Ngatu in Far North
Wednesday 8 October 2025 · 2 outlets · 2 reports · updated In this story Department of Conservation, Northland Regional Council
The invasive South African oxygen weed has been officially eradicated from Lake Ngatu, located northwest of Kaitāia. Five years after the 56-hectare lake was treated with herbicide, the pest weed is no longer a threat. The project involved the Northland Regional Council, Ngāi Takoto, and the Department of Conservation.