Isotopic composition of cellulose from C3, C4, and CAM plants growing near one another

Leonel Sternberg, Michael J. DeNiro

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


Cellulose from plants having crassulacean acid metabolism was enriched in deuterium but not in oxygen-18 in relation to cellulose from C3 and C4 plants growing in the same area, indicating that the deuterium enrichment is due to isotopic fractionation during biochemical reactions rather than during evapotranspiration. Hydrogen and oxygen stable isotope ratios of cellulose from the plants in this restricted area showed more variability than that observed in samples collected across an entire continent. Biological factors appear to be as important as environmental factors in determining the isotope ratios of plant cellulose.

Original languageEnglish (US)
Pages (from-to)947-949
Number of pages3
Issue number4600
StatePublished - 1983
Externally publishedYes

ASJC Scopus subject areas

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