Factsheet: Environmental considerations for seaweed aquaculture

Seaweed aquaculture is an emerging industry in Aotearoa New Zealand. Growers are increasingly interested in expanding into seaweed aquaculture, particularly green-lipped mussel (Perna canaliculus) farmers looking to add seaweeds to existing consents. This document compares the environmental impacts of seaweed and mussel aquaculture and proposes some key management considerations to provide clarity when assessing environmental effects.