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Adam Hartland, Adjunct Associate Professor, Lincoln University, New Zealand

Gold clam invasion in NZ threatens drinking water for millions of people

Gold Calcium New Zealand the Waikato River
Michele Melchior, CC BY-ND

As a geochemist studying New Zealand’s freshwater systems, I’ve spent years tracking the subtle chemical shifts in our rivers and lakes.

But nothing prepared me for the rapid transformation unfolding in the Waikato River since the invasion of the Asian clam (Corbicula fluminea, also known as the freshwater gold clam).

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