Antarctic waters may shelter wrecks from shipworms

Ocean currents and polar front form 'moat' that keeps destructive mollusks at bay

By Susan Milius, 11:04 AM August 15, 2013

Quirks of ocean currents may have turned the waters around Antarctica into a rare sanctuary for undiscovered wooden shipwrecks, free of the destructive mollusks known as shipworms.

The front formed by the junction of frigid polar and warmer waters as well as a strong current circling the continent may block tiny shipworm youngsters from moving in, says Thomas Dahlgren of Uni Research, the University of Bergen’s partner research company in Norway.

Fourteen months after leaving wooden planks and ...

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