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Posted Tue Feb 16 2010: from
BBC:
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Fog decline threatens US redwoods http://apocadocs.com/s.pl?1266328280
Scientists in California say a drop in coastal fog could threaten the state's famed giant redwood trees.
Their study, published in the Proceedings of the National Academy of Sciences, says such fog has decreased markedly over the past 100 years.... "Fog prevents water loss from redwoods in summer and is really important for the tree and the forest," said research co-author Professor Todd Dawson.... Dr Johnstone thinks drought stress could affect the growth of new trees and the plants and animals that depend on the redwoods. But he notes that the negative impact on the tree population is, as yet, unproven.
"We're concerned for certain, we expect some impact on the ecology but we don't have clear evidence that the redwoods are about to go extinct in the near term."
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[Read more stories about:
rain forest depletion, forests, weather extremes]
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'Doc Jim says:
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"Near term" may mean something different to us than to two-thousand-year-olds redwoods.
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