As work starts to remove exotic caulerpa from the seabed around Waiheke, the first suction dredging trial on the pest seaweed wraps up at Aotea/Great Barrier.

A team from NIWA, the Cawthron Institute and suction dredge firm Bay Underwater Services have been working since Monday 18 September to remove the pest seaweed from three defined areas – Schooner Bay, Shoal Bay and Puriri Bay in Tryphena Harbour.

• Liza Hamilton

Full story in this week’s Gulf News… Out Now!!!

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