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Vibrant mix of marine life found at extreme ocean depths, Scripps analysis reveals
Date:2/22/2013

e about life in the deep sea becomes increasingly important as humans ramp up their exploitation of the fish, energy, mineral, and genetic resources of the deep sea," said Levin. "Natalya's observation of a dive weight from a past expedition in the Challenger Deep reminds us that our presence in the ocean is pervasive."

Gallo noted that her findings were largely consistent with discoveries made in the 1950s, '60s, and '70s, the first "golden age" of deep-sea exploration. New high-definition video capabilities used during Deepsea Challenge expand exploration potential by allowing scientists to view organisms in their natural habitat and observe how these unique biological communities function, she said.

"The DEEPSEA CHALLENGE expedition made possible the discovery of the deepest examples of gigantism known thus far," said Doug Bartlett, a Scripps marine microbiologist and chief scientist of the expedition. "Among the many values of collecting deep-sea samples is the possible isolation of microbes adapted to the extreme conditions of life in the trenches. These microbes inform us of the evolution, diversity, and adaptations of life and perhaps even life's origins and its possible presence elsewhere in the solar system."


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Contact: Mario Aguilera or Robert Monroe
scrippsnews@ucsd.edu
858-534-3624
University of California - San Diego
Source:Eurekalert

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