Updating the dual C and O isotope—Gas‐exchange model: A concept to understand plant responses to the environment and its implications for tree rings

RTW Siegwolf, MM Lehmann… - Plant, Cell & …, 2023 - Wiley Online Library
The combined study of carbon (C) and oxygen (O) isotopes in plant organic matter has
emerged as a powerful tool for understanding plant functional responses to environmental …

Toward a common methodological framework for the sampling, extraction, and isotopic analysis of water in the Critical Zone to study vegetation water use

N Ceperley, TE Gimeno, SR Jacobs… - Wiley …, 2024 - Wiley Online Library
The analysis of the stable isotopic composition of hydrogen and oxygen in water samples
from soils and plants can help to identify sources of vegetation water uptake. This approach …

Stem water cryogenic extraction biases estimation in deuterium isotope composition of plant source water

Y Chen, BR Helliker, X Tang, F Li, Y Zhou… - Proceedings of the …, 2020 - pnas.org
The hydrogen isotope ratio of water cryogenically extracted from plant stem samples
(δ2Hstem_CVD) is routinely used to aid isotope applications that span hydrological …

Evidence for distinct isotopic compositions of sap and tissue water in tree stems: consequences for plant water source identification

A Barbeta, R Burlett, P Martín‐Gómez… - New …, 2022 - Wiley Online Library
The long‐standing hypothesis that the isotopic composition of plant stem water reflects that
of source water is being challenged by studies reporting bulk water from woody stems with …

Vertical decoupling of soil nutrients and water under climate warming reduces plant cumulative nutrient uptake, water‐use efficiency and productivity

JI Querejeta, W Ren, I Prieto - New Phytologist, 2021 - Wiley Online Library
Warming‐induced desiccation of the fertile topsoil layer could lead to decreased nutrient
diffusion, mobility, mineralization and uptake by roots. Increased vertical decoupling …

Plant and root‐zone water isotopes are difficult to measure, explain, and predict: Some practical recommendations for determining plant water sources

J von Freyberg, ST Allen, C Grossiord… - Methods in Ecology …, 2020 - Wiley Online Library
Stable isotope ratios of water (δ18O, δ2H) have long been used to study a core question in
plant ecology and ecohydrology:'From where do plants take up water?'Indeed, decades of …

[HTML][HTML] On uncertainties in plant water isotopic composition following extraction by cryogenic vacuum distillation

H Diao, P Schuler, GR Goldsmith… - Hydrology and Earth …, 2022 - hess.copernicus.org
Recent studies have challenged the interpretation of plant water isotopes obtained through
cryogenic vacuum distillation (CVD) based on observations of a large 2 H fractionation …

Stable isotopes of water reveal differences in plant–soil water relationships across northern environments

D Tetzlaff, J Buttle, SK Carey, MJ Kohn… - Hydrological …, 2021 - Wiley Online Library
We compared stable isotopes of water in plant stem (xylem) water and soil collected over a
complete growing season from five well‐known long‐term study sites in northern/cold …

[HTML][HTML] In situ measurements of soil and plant water isotopes: a review of approaches, practical considerations and a vision for the future

M Beyer, K Kühnhammer… - Hydrology and Earth …, 2020 - hess.copernicus.org
The number of ecohydrological studies involving water stable isotope measurements has
been increasing steadily due to technological (eg, field-deployable laser spectroscopy and …

Drought effects in Mediterranean forests are not alleviated by diversity‐driven water source partitioning

E Mas, A Vilagrosa, L Morcillo, M Saurer… - Journal of …, 2024 - Wiley Online Library
Tree species diversity in forest ecosystems could reduce their vulnerability to extreme
droughts through improved microclimate and below‐ground water source partitioning driven …