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European Geosciences Union, Biogeosciences, 8(9), p. 3083-3111, 2012

DOI: 10.5194/bg-9-3083-2012

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Progress and challenges in using stable isotopes to trace plant carbon and water relations across scales

Journal article published in 2012 by C. Werner, B. Cohn, H. Schnyder, M. Cuntz, C. Keitel, M. J. Zeeman, Zeeman Mj, F.-W. Badeck, Dawson Te, T. E. Dawson, Badeck Fw, E. Brugnoli, J. Ghashghaie, Grams Tee, T. E. E. Grams and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract. Stable isotope analysis is a powerful tool for assessing plant carbon and water relations and their impact on biogeochemical processes at different scales. Our process-based understanding of stable isotope signals, as well as technological developments, has progressed significantly, opening new frontiers in ecological and interdisciplinary research. This has promoted the broad utilisation of carbon, oxygen and hydrogen isotope applications to gain insight into plant carbon and water cycling and their interaction with the atmosphere and pedosphere. Here, we highlight specific areas of recent progress and new research challenges in plant carbon and water relations, using selected examples covering scales from the leaf to the regional scale. Further, we discuss strengths and limitations of recent technological developments and approaches and highlight new opportunities arising from unprecedented temporal and spatial resolution of stable isotope measurements.