I also am interested in an answer to this question. Many people want general overview information, and our collection tends to the technical and specific. I also get ask about how much water a tree uses on a regular basis, and the answer to that is also "it depends." Does anyone have a legitimate, easy?? answer to that question as well? Carol Green ****************************** Carol C. Green, Head Forest Resources Library, AQ-15 University of Washington Seattle, WA 98195 E-mail ccgreen@u.washington.edu (206)543-2758 ****************************** On Wed, 6 Jul 1994, Dr. Christopher Dunn wrote: > I was asked recently how much oxygen is contributed to the atmosphere on a > yearly basis by the average tree. I have found considerable information on > CO2 uptake by single species and by areas of forest; however, an answer to > the oxygen question eludes me. I know I have seen some sort of an answer > in the popular press. This is not an easy question to answer because trees > differ by species, age, site conditions, geographic location, etc., etc. > However, if anyone can provide any sort of answer, I would be most > appreciative. > Christopher P. Dunn > Research Director > The Morton Arboretum > Lisle, IL 60532 > > phone: 708-719-2423 > fax: 708-719-2433 > e-mail: cdunn@cedar.cic.net >
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