18 Mar 2025
Caulerpa on Great Barrier Island moving away from sea floor
Scientists fighting the spread of Caulerpa on Great Barrier Island say they're starting to see the invasive weed move away from the sandy sea floor. It's the Caulerpa growing on the rocky reefs that's now proving the biggest challenge on the island, but it's hoped new technology could help fight the weed there too. Luka Forman has more.