Saturday, 9 June 2012

Redwood Tree, California

Photo: Scientists collecting samples from a giant redwood tree

Partway up a 350-foot tree, botanist Marie Antoine (at right) passes a slender core sample of its wood—750 years of redwood biography—to canopy ecologist Giacomo Renzullo. Research now shows that the older such trees get, the more wood they put on.
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