Scientists ashore assist in discovery of tubeworm colony off Cyprus

Dec 14, 2010

When a field of tubeworms was unexpectedly discovered on the side of a large underwater mountain 50 miles off the coast of Cyprus this summer, the finding was notable both for the discovery itself and for the process of the discovery.

Found by a team of researchers led by marine explorer Robert Ballard, the tubeworms, in the genus Siboglinidae, have a with chemosynthetic bacteria; they both work together to metabolize warm, mineral-rich water that is seeping out of the seafloor. Numerous colonies of the tubeworms were found between 900 and 1200 meters deep amid crabs, urchins, corals and beggiatoa bacteria in a coldwater seep on the slope of Eratosthenes Seamount, an underwater mountain in the Eastern Mediterranean south of Cyprus. The next nearest known colony of the unusual animals is found 190 miles away on the Anaximander Mountains, an chain.

The tubeworms were identified during a research expedition aboard Ballard's ship E/V Nautilus, which was broadcast live, 24 hours a day, over the Internet, so thousands of people may have been watching the discovery as it happened.

Equally noteworthy, a team of scientists ashore with expertise in a wide range of disciplines – called Doctors on Call – were called upon to assist in identifying the animals at the moment they were found. It was the first time the Doctors on Call program, created by Ballard for this expedition, and the live broadcasts were combined to make a scientific discovery.

"The process worked exactly as I envisioned it would," said Ballard, a professor of oceanography at the University of Rhode Island, president of the Institute for Exploration, and a National Geographic Explorer-in-Residence. "It's impossible to have every expert you may need aboard ship when you're exploring the oceans, so having them on call and able to view exactly what the shipboard scientists are seeing is the next best thing."

"We were doing a visual transect up the slope of the seamount when we came upon an enormous cliff face with some orange staining and white fuzzy-looking patches on it," explained Katherine Croff Bell, a University of Rhode Island graduate student and National Geographic Emerging Explorer who was the expedition leader onboard. "The white fuzzy things turned out to be clusters of tube worms, and the orange stains were areas where fluid is coming out of the rocks, which is likely what the tube worms were living on."

Scientists from Israel, Cyprus, and three universities in the United States – URI, the University of New Hampshire, and Woods Hole Oceanographic Institution – assisted in identifying the biological communities where the tubeworms were found.

The technology that made this discovery and collaboration possible includes high-definition video cameras on remotely operated underwater vehicles, high-bandwidth satellite telecommunications linking the Nautilus to the Inner Space Center at the University of Rhode Island, and remote science consoles and Internet2 linking the Inner Space Center with the Doctors on Call and the general public.

While the scientists were identifying and confirming the discovery of the tubeworm community, the public was watching and listening live in real time at and interacting about the findings via Facebook and Twitter.

Thousands of people also watched the expedition throughout the summer at the Nautilus Live Theater, located at Ballard's "Challenge of the Deep" exhibit center at Mystic Aquarium in Mystic, Conn.

"WOW! I never knew how exciting tubeworms could be," wrote one observer on Facebook.

"I'm so glad that I got to see this. It was so very, very cool!" wrote another on the Nautilus Live website.

Educators aboard ship and in the Inner Space Center also communicated live with students and Boys and Girls Clubs about the experience.

"This is the wave of the future for the scientific exploration of the oceans," said Ballard. "More and more ships of exploration will be wired with this technology enabling scientists ashore and the public to participate in all kinds of scientific discoveries in every corner of the world's oceans."

A summary of the expedition findings and the Doctors on Call program was presented today at a meeting of the American Geophysical Union in San Francisco.

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