In November 2022, Horizons sprayed the lake with herbicide to try to tackle the ongoing problem of “pest plant” hornwort.
Image: Anubias, Bucephalandra, Java fern and Bolbitis. Other plants that do well without the need for nutrient substrates include Elodea and Hydrocotyle species, and Ceratophyllum demersum (Hornwort).
Northland Regional Council, in conjunction with mana whenua, DOC and landowners, is currently running eradication programmes for hornwort and oxygen weeds in several high value dune lakes.