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The Planet Chronicles by Diatoms

... because we found microplankton, ancient sea diatoms, in the samples. These findings allowed precise dating of the strait, adding more than a million years to its age: it turned out that Eurasia and North America were divorced 5.5—5.4 million years ago. Diatoms in the Arctic: the reliable witnesses Arctic ecosystems are considered to be especially susceptible to the effects of recent climatic change. Although a variety of factors make polar regions especially sensitive, changes in albedo or reflectivity of the Earth’s ...

Modified: 30.08.2006
diatoms , silica , nature , Arctic , climate , tsunami
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