CO2 in vegetation

truffler1635 at my-deja.com truffler1635 at my-deja.com
Thu Apr 6 00:54:36 EST 2000


The following article is from The Oregonian, April 5, 2000, p D11

GROWING CARBON DIOXIDE AMOUNTS NOT OFFSET BY STORAGE IN VEGETATION

	A research team has found that the enormous amounts of atmospheric
carbon dioxide produced by fossil-fuel use in the United States are not
completely offset by the storage of carbon in growing forests and other
vegetation.
	Ronald Neilson, a professor of botany at Oregon State University and
a bioclimatologist with the U.S. Forest Service, said the team's study
counters the argument that the United States does not need to reduce
greenhouse-gas emissions.
	The study suggests that at least 70 percent to 90 percent of the
carbon injected by U.S. fossil-fuel use is either staying there or being
sequestered somewhere besides North America. Scientists have been
searching for a carbon-storage mechanism, or sink, to explain why
atmospheric carbon dioxide levels are lower than expected as emissions
rise.
	Neilson co-authored the report in the March 17 issue of the journal
Science with scientists from the Max Planck Institute for Biochemistry
in Germany, the National Center for Atmospheric Research in Colorado,
the Ecosystems Center in Massachusetts and other universities and
agencies. The study also found that a nation's contribution or storage
of carbon may be quite variable, even from one year to the next.

Posted as a courtesy by
Daniel B. Wheeler
www.oregonwhitetruffles.com


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