http://www.nsf.gov/news/news_summ.jsp?cntn_id=121998&org=NSF&from=newsPress Release 11-221
From Tropics to Poles: Study Reveals Diversity of Life in Soils
New species discovered across the globe
October 17, 2011
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Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya, or the tundra and boreal forests of Alaska and Sweden.
That conclusion is found in research results published today in the journal Proceedings of the National Academy of Sciences.
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"Scientist E.O. Wilson noted that the key to understanding Earth's biodiversity lies in exploration of its smallest life forms," said Matt Kane, program director in NSF's Division of Environmental Biology, which funded the research.
"Important affirmation of this idea is provided in this global study of animals, in which the significance of belowground biodiversity is revealed."
…http://dx.doi.org/10.1073/pnas.1103824108