Response of a grassland species to dry environmental conditions from water stable isotopic monitoring: no evident shift in root water uptake to wetter soil layers. Deseano Diaz, P. A., Van Dusschoten, D., Kübert, A., Brüggemann, N., Javaux, M., Merz, S., Vanderborght, J., Vereecken, H., Dubbert, M., & Rothfuss, Y. Plant and Soil, 482(1-2):491–512, January, 2023. ![Response of a grassland species to dry environmental conditions from water stable isotopic monitoring: no evident shift in root water uptake to wetter soil layers [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Abstract Aims We aimed at assessing the influence of above- and below-ground environmental conditions over the performance of Centaurea jacea L., a drought-resistant grassland forb species. Methods Transpiration rate, CO 2 assimilation rate, leaf water potential, instantaneous and intrinsic water use efficiency, temperature, relative humidity, vapor pressure deficit and soil water content in one plant and root length density in four plants, all grown in custom-made columns, were monitored daily for 87 days in the lab. The soil water isotopic composition in eleven depths was recorded daily in a non-destructive manner. The isotopic composition of plant transpiration was inferred from gas chamber measurements. Vertical isotopic gradients in the soil column were created by adding labeled water. Daily root water uptake (RWU) profiles were computed using the multi-source mixing model Stable Isotope Analysis in R (Parnell et al. PLoS ONE 5(3):1–5, 2010). Results RWU occurred mainly in soil layer 0–15 cm, ranging from 79 to 44%, even when water was more easily available in deeper layers. In wet soil, the transpiration rate was driven mainly by vapor pressure deficit and light intensity. Once soil water content was less than 0.12 cm 3 cm − 3 , the computed canopy conductance declined, which restricted leaf gas exchange. Leaf water potential dropped steeply to around − 3 MPa after soil water content was below 0.10 cm 3 cm − 3 . Conclusion Our comprehensive data set contributes to a better understanding of the effects of drought on a grassland species and the limits of its acclimation in dry conditions.
@article{deseano_diaz_response_2023,
title = {Response of a grassland species to dry environmental conditions from water stable isotopic monitoring: no evident shift in root water uptake to wetter soil layers},
volume = {482},
issn = {0032-079X, 1573-5036},
shorttitle = {Response of a grassland species to dry environmental conditions from water stable isotopic monitoring},
url = {https://link.springer.com/10.1007/s11104-022-05703-y},
doi = {10.1007/s11104-022-05703-y},
abstract = {Abstract
Aims
We aimed at assessing the influence of above- and below-ground environmental conditions over the performance of
Centaurea jacea
L., a drought-resistant grassland forb species.
Methods
Transpiration rate, CO
2
assimilation rate, leaf water potential, instantaneous and intrinsic water use efficiency, temperature, relative humidity, vapor pressure deficit and soil water content in one plant and root length density in four plants, all grown in custom-made columns, were monitored daily for 87 days in the lab. The soil water isotopic composition in eleven depths was recorded daily in a non-destructive manner. The isotopic composition of plant transpiration was inferred from gas chamber measurements. Vertical isotopic gradients in the soil column were created by adding labeled water. Daily root water uptake (RWU) profiles were computed using the multi-source mixing model Stable Isotope Analysis in R (Parnell et al. PLoS ONE 5(3):1–5, 2010).
Results
RWU occurred mainly in soil layer 0–15 cm, ranging from 79 to 44\%, even when water was more easily available in deeper layers. In wet soil, the transpiration rate was driven mainly by vapor pressure deficit and light intensity. Once soil water content was less than 0.12 cm
3
cm
− 3
, the computed canopy conductance declined, which restricted leaf gas exchange. Leaf water potential dropped steeply to around − 3 MPa after soil water content was below 0.10 cm
3
cm
− 3
.
Conclusion
Our comprehensive data set contributes to a better understanding of the effects of drought on a grassland species and the limits of its acclimation in dry conditions.},
language = {en},
number = {1-2},
urldate = {2024-11-14},
journal = {Plant and Soil},
author = {Deseano Diaz, Paulina Alejandra and Van Dusschoten, Dagmar and Kübert, Angelika and Brüggemann, Nicolas and Javaux, Mathieu and Merz, Steffen and Vanderborght, Jan and Vereecken, Harry and Dubbert, Maren and Rothfuss, Youri},
month = jan,
year = {2023},
pages = {491--512},
}
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A.","Van Dusschoten, D.","Kübert, A.","Brüggemann, N.","Javaux, M.","Merz, S.","Vanderborght, J.","Vereecken, H.","Dubbert, M.","Rothfuss, Y."],"bibdata":{"bibtype":"article","type":"article","title":"Response of a grassland species to dry environmental conditions from water stable isotopic monitoring: no evident shift in root water uptake to wetter soil layers","volume":"482","issn":"0032-079X, 1573-5036","shorttitle":"Response of a grassland species to dry environmental conditions from water stable isotopic monitoring","url":"https://link.springer.com/10.1007/s11104-022-05703-y","doi":"10.1007/s11104-022-05703-y","abstract":"Abstract Aims We aimed at assessing the influence of above- and below-ground environmental conditions over the performance of Centaurea jacea L., a drought-resistant grassland forb species. Methods Transpiration rate, CO 2 assimilation rate, leaf water potential, instantaneous and intrinsic water use efficiency, temperature, relative humidity, vapor pressure deficit and soil water content in one plant and root length density in four plants, all grown in custom-made columns, were monitored daily for 87 days in the lab. The soil water isotopic composition in eleven depths was recorded daily in a non-destructive manner. The isotopic composition of plant transpiration was inferred from gas chamber measurements. Vertical isotopic gradients in the soil column were created by adding labeled water. Daily root water uptake (RWU) profiles were computed using the multi-source mixing model Stable Isotope Analysis in R (Parnell et al. PLoS ONE 5(3):1–5, 2010). Results RWU occurred mainly in soil layer 0–15 cm, ranging from 79 to 44%, even when water was more easily available in deeper layers. In wet soil, the transpiration rate was driven mainly by vapor pressure deficit and light intensity. Once soil water content was less than 0.12 cm 3 cm − 3 , the computed canopy conductance declined, which restricted leaf gas exchange. Leaf water potential dropped steeply to around − 3 MPa after soil water content was below 0.10 cm 3 cm − 3 . Conclusion Our comprehensive data set contributes to a better understanding of the effects of drought on a grassland species and the limits of its acclimation in dry conditions.","language":"en","number":"1-2","urldate":"2024-11-14","journal":"Plant and Soil","author":[{"propositions":[],"lastnames":["Deseano","Diaz"],"firstnames":["Paulina","Alejandra"],"suffixes":[]},{"propositions":[],"lastnames":["Van","Dusschoten"],"firstnames":["Dagmar"],"suffixes":[]},{"propositions":[],"lastnames":["Kübert"],"firstnames":["Angelika"],"suffixes":[]},{"propositions":[],"lastnames":["Brüggemann"],"firstnames":["Nicolas"],"suffixes":[]},{"propositions":[],"lastnames":["Javaux"],"firstnames":["Mathieu"],"suffixes":[]},{"propositions":[],"lastnames":["Merz"],"firstnames":["Steffen"],"suffixes":[]},{"propositions":[],"lastnames":["Vanderborght"],"firstnames":["Jan"],"suffixes":[]},{"propositions":[],"lastnames":["Vereecken"],"firstnames":["Harry"],"suffixes":[]},{"propositions":[],"lastnames":["Dubbert"],"firstnames":["Maren"],"suffixes":[]},{"propositions":[],"lastnames":["Rothfuss"],"firstnames":["Youri"],"suffixes":[]}],"month":"January","year":"2023","pages":"491–512","bibtex":"@article{deseano_diaz_response_2023,\n\ttitle = {Response of a grassland species to dry environmental conditions from water stable isotopic monitoring: no evident shift in root water uptake to wetter soil layers},\n\tvolume = {482},\n\tissn = {0032-079X, 1573-5036},\n\tshorttitle = {Response of a grassland species to dry environmental conditions from water stable isotopic monitoring},\n\turl = {https://link.springer.com/10.1007/s11104-022-05703-y},\n\tdoi = {10.1007/s11104-022-05703-y},\n\tabstract = {Abstract\n \n Aims\n \n We aimed at assessing the influence of above- and below-ground environmental conditions over the performance of\n Centaurea jacea\n L., a drought-resistant grassland forb species.\n \n \n \n Methods\n \n Transpiration rate, CO\n 2\n assimilation rate, leaf water potential, instantaneous and intrinsic water use efficiency, temperature, relative humidity, vapor pressure deficit and soil water content in one plant and root length density in four plants, all grown in custom-made columns, were monitored daily for 87 days in the lab. The soil water isotopic composition in eleven depths was recorded daily in a non-destructive manner. The isotopic composition of plant transpiration was inferred from gas chamber measurements. Vertical isotopic gradients in the soil column were created by adding labeled water. Daily root water uptake (RWU) profiles were computed using the multi-source mixing model Stable Isotope Analysis in R (Parnell et al. PLoS ONE 5(3):1–5, 2010).\n \n \n \n Results\n \n RWU occurred mainly in soil layer 0–15 cm, ranging from 79 to 44\\%, even when water was more easily available in deeper layers. In wet soil, the transpiration rate was driven mainly by vapor pressure deficit and light intensity. Once soil water content was less than 0.12 cm\n 3\n cm\n − 3\n , the computed canopy conductance declined, which restricted leaf gas exchange. Leaf water potential dropped steeply to around − 3 MPa after soil water content was below 0.10 cm\n 3\n cm\n − 3\n .\n \n \n \n Conclusion\n Our comprehensive data set contributes to a better understanding of the effects of drought on a grassland species and the limits of its acclimation in dry conditions.},\n\tlanguage = {en},\n\tnumber = {1-2},\n\turldate = {2024-11-14},\n\tjournal = {Plant and Soil},\n\tauthor = {Deseano Diaz, Paulina Alejandra and Van Dusschoten, Dagmar and Kübert, Angelika and Brüggemann, Nicolas and Javaux, Mathieu and Merz, Steffen and Vanderborght, Jan and Vereecken, Harry and Dubbert, Maren and Rothfuss, Youri},\n\tmonth = jan,\n\tyear = {2023},\n\tpages = {491--512},\n}\n\n\n\n\n\n\n\n","author_short":["Deseano Diaz, P. 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