Correlations between oxygen isotope ratios of wood constituents of Quercus and Pinus samples from around the world
By Margaret M. Barbour, T. Andrews, G. Farquhar. 2001
193 citations recorded by the source corpus.
The oxygen isotope compositions of three wood constituents (the solvent-extractable portion, lignin and α-cellulose) were measured for samples collected from Quercus and Pinus trees around the world. Among Pinus samples all wood constituents were positively related to modelled δ18O of source water at the site, while among Quercus samples whole wood, lignin and α-cellulose showed positive relationships. The data support the hypothesis that many oxygen atoms in lignin exchanged with unenriched stem water during synthesis, rather than retaining the full isotopic signal from the molecular oxygen added during hydroxylation of the aromatic ring. The data also suggest that extraction of α-cellulose from wood samples is unnecessary for isotope studies looking at correlations with site parameters.
Subfields: Archeology, Atmospheric Science, Building and Construction
View Paper: https://www.semanticscholar.org/paper/ad7e43cd507efd172f53980a2e0ff66ea62b061e
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In Atmospheric Science
Citations in the corpus
- Short‐term variation in the isotopic composition of organic matter allocated from the leaves to the stem of Pinus sylvestris: effects of photosynthetic and postphotosynthetic carbon isotope fractionation (2006, background): “The d18O signature shares dependence on stomatal conductance with d13C signature but is not dependent on RubisCo activity (Barbour et al., 2000a, 2001).”
- Stable oxygen isotope composition of plant tissue: a review. (2007, background): “It is expected, and observed (Barbour et al. 2001), that plant tissue from high latitudes and elevations is more depleted in 18O than plant tissue from the tropics.”