Proof of concept - Lake Okareka weed eradication case study 

Environmental Publication 2025/08
Prepared by: Te Wakaunua Te KurapaScience 

This Proof of Concept (PoC) uses Lake Ōkāreka as a case study to demonstrate that with consistent investment, and using current management tools and surveillance systems, invasive submerged weeds can be suppressed to near-eradication in a moderate sized lake, with potential to scale up to larger Rotorua Te Arawa Lakes.