Disentangling the role of photosynthesis and stomatal conductance on rising forest water-use efficiency

R Guerrieri, S Belmecheri, SV Ollinger… - Proceedings of the …, 2019 - pnas.org
Multiple lines of evidence suggest that plant water-use efficiency (WUE)—the ratio of carbon
assimilation to water loss—has increased in recent decades. Although rising atmospheric …

Global tree intrinsic water use efficiency is enhanced by increased atmospheric CO2 and modulated by climate and plant functional types

JM Mathias, RB Thomas - Proceedings of the National Academy of …, 2021 - pnas.org
We conducted a meta-analysis of carbon and oxygen isotopes from tree ring chronologies
representing 34 species across 10 biomes to better understand the environmental drivers …

Do 2H and 18O in leaf water reflect environmental drivers differently?

LA Cernusak, A Barbeta, RT Bush… - New …, 2022 - Wiley Online Library
We compiled hydrogen and oxygen stable isotope compositions (δ2H and δ18O) of leaf
water from multiple biomes to examine variations with environmental drivers. Leaf water δ2H …

Rapid increases in shrubland and forest intrinsic water-use efficiency during an ongoing megadrought

SA Kannenberg, AW Driscoll, P Szejner… - Proceedings of the …, 2021 - pnas.org
Globally, intrinsic water-use efficiency (iWUE) has risen dramatically over the past century in
concert with increases in atmospheric CO2 concentration. This increase could be further …

Unenriched xylem water contribution during cellulose synthesis influenced by atmospheric demand governs the intra‐annual tree‐ring δ18O signature

E Martínez‐Sancho, LA Cernusak, P Fonti… - New …, 2023 - Wiley Online Library
The oxygen isotope composition (δ18O) of tree‐ring cellulose is used to evaluate tree
physiological responses to climate, but their interpretation is still limited due to the …

Covariation between oxygen and hydrogen stable isotopes declines along the path from xylem water to wood cellulose across an aridity gradient

M Holloway‐Phillips, LA Cernusak, DB Nelson… - New …, 2023 - Wiley Online Library
Oxygen and hydrogen isotopes of cellulose in plant biology are commonly used to infer
environmental conditions, often from time series measurements of tree rings. However, the …

A 300-year tree-ring δ18O-based precipitation reconstruction for the South American Altiplano highlights decadal hydroclimate teleconnections

M Rodriguez-Caton, MS Morales, MP Rao… - … Earth & Environment, 2024 - nature.com
Abstract Tropical South American climate is influenced by the South American Summer
Monsoon and the El Niño Southern Oscillation. However, assessing natural hydroclimate …

Contrasting physiological strategies explain heterogeneous responses to severe drought conditions within local populations of a widespread conifer

C Depardieu, P Lenz, J Marion, S Nadeau… - Science of the Total …, 2024 - Elsevier
Understanding how trees prioritize carbon gain at the cost of drought vulnerability under
severe drought conditions is crucial for predicting which genetic groups and individuals will …

Species variation in the hydrogen isotope composition of leaf cellulose is mostly driven by isotopic variation in leaf sucrose

M Holloway‐Phillips, J Baan, DB Nelson… - Plant, Cell & …, 2022 - Wiley Online Library
Experimental approaches to isolate drivers of variation in the carbon‐bound hydrogen
isotope composition (δ2H) of plant cellulose are rare and current models are limited in their …

[HTML][HTML] The unknown third–Hydrogen isotopes in tree-ring cellulose across Europe

V Vitali, E Martínez-Sancho, K Treydte… - Science of the Total …, 2022 - Elsevier
This is the first Europe-wide comprehensive assessment of the climatological and
physiological information recorded by hydrogen isotope ratios in tree-ring cellulose (δ 2 H c) …