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Forest air conditioning

During the growing season, with photosynthesis at its peak, leaf temperatures remain constant over a wide latitudinal range. This is a finding that overturns a common assumption and has various ramifications.

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Figure 1: Factors determining the 18O:16O ratio in wood cellulose.


  1. Burk, R. L. & Stuiver, M. Science 211, 1417–1419 (1981).

    ADS  CAS  Article  Google Scholar 

  2. Helliker, B. R. & Richter, S. L. Nature 454, 511–514 (2008).

    ADS  CAS  Article  Google Scholar 

  3. Barbour, M. M. & Farquhar, G. D. Plant Cell Environ. 23, 473–485 (2000).

    CAS  Article  Google Scholar 

  4. AmeriFlux

  5. Wright, I. J. et al. Nature 428, 821–827 (2004).

    ADS  CAS  Article  Google Scholar 

  6. Schaeffer, S. M., Williams, D. G. & Goodrich, D. C. Agric. For. Meteorol. 105, 257–270 (2000).

    ADS  Article  Google Scholar 

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Woodward, F. Forest air conditioning. Nature 454, 422–423 (2008).

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