Clamshells Face the Acid Test – Hakai Magazine

Clam Shells (by Lindsey B. CC BY-SA 2.0 via Flickr).

As acidification threatens shellfish along North America’s Pacific Coast, Indigenous sea gardens offer solutions.   

It’s low tide in Bodega Bay, north of San Francisco, California, and Hannah Hensel is squishing through thick mud, on the hunt for clams. The hinged mollusks are everywhere, burrowed into the sediment, filtering seawater to feed on plankton. But Hensel isn’t looking for living bivalves—she’s searching the mudflat for the shells of dead clams…