Topic ID #6767 - posted 1/23/2010 1:02 PM
Jennifer Palmer
Webmaster
Viking Shipwrecks Face Ruin as Odd Worms Invade
Jennifer Palmer
Webmaster
Global warming putting sunken treasures at risk?
James Owen
for National Geographic News
Published January 19, 2010
The dreaded wood-eating shipworm is invading northern Europe's Baltic Sea. The animal threatens to munch through thousands of Viking vessels and other historic shipwrecks, scientists warn.
The sea's cool, brackish waters have for centuries protected the wrecks from the wormlike mollusks. But now global warming is making the Baltic Sea (map) more comfortable for the critters, a new study speculates.
Shipworms, which can obliterate a wreck in ten years, have already attacked about a hundred sunken vessels dating back to the 13th century in Baltic waters off Germany, Denmark, and Sweden, reported study co-author Christin Appelqvist.
Read the rest of the story here.
James Owen
for National Geographic News
Published January 19, 2010
The dreaded wood-eating shipworm is invading northern Europe's Baltic Sea. The animal threatens to munch through thousands of Viking vessels and other historic shipwrecks, scientists warn.
The sea's cool, brackish waters have for centuries protected the wrecks from the wormlike mollusks. But now global warming is making the Baltic Sea (map) more comfortable for the critters, a new study speculates.
Shipworms, which can obliterate a wreck in ten years, have already attacked about a hundred sunken vessels dating back to the 13th century in Baltic waters off Germany, Denmark, and Sweden, reported study co-author Christin Appelqvist.
Read the rest of the story here.
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