New Zealand builds an arsenal of tools to battle a ‘wily’ invasive seaweed

Mongabay
Oct 13, 2026, 1:16 pm86 ptsTrending
BAY OF ISLANDS, Aotearoa New Zealand — Since an invasive seaweed called caulerpa was discovered in Aotearoa New Zealand in 2021, forming meadows that blanketed parts of the seabed, it’s taken on an almost mythical status among people who spend time in coastal waters. “It’s so wily and so resilient,”…

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