Tag: Alvin

Alvin, the Deep Sea Research Sub, Has Spread Invasive Species in the Ocean

By Sarah Zhang | May 25, 2012 11:31 am

Alvin
Alvin during a deep sea mission.

As humans venture out to new corners of the world, so do invasive species. This story is old: mice hid out on Viking boats, plant seeds followed scientists to Antarctica, and, now, limpets have hitched a ride on the deep sea submersible Alvin. This last finding, published in Conservation Biology, surprised scientists, who didn’t think that limpets could survive drastic pressure changes as Alvin surfaced between dives.

Since 1964, Alvin, the little sub that could, has made thousands of scientific dives—from surveying the Titanic to exploring hydrothermal vents. The sub and its sampling gear are cleaned between each dive, but this new limpet discovery suggests a mistake happened somewhere down the line.

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CATEGORIZED UNDER: Living World
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