Strong overestimation of water-use efficiency responses to rising CO2 in tree-ring studies.
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DOI: 10.1111/gcb.15166
Abstract: The carbon isotope ratio (δ13 C) in tree rings is commonly used to derive estimates of the assimilation-to-stomatal conductance rate of trees, i.e. intrinsic water use efficiency (iWUE). Recent studies have observed increased iWUE in… read more here.
Keywords: tree ring; iwue; use efficiency; responses rising ... See more keywords