Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/3320
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: A new stable isotope approach identifies the fate of ozone in plant-soil systems
Authors: Toet, Sylvia
Subke, Jens-Arne
D’Haese, David
Ashmore, Michael R
Emberson, Lisa D
Crossman, Zoe
Evershed, Richard P
Barnes, Jeremy D
Ineson, Phil
Contact Email: jens-arne.subke@stir.ac.uk
Keywords: 18O
apoplast
deposition
flux
ozone
stable isotope
Issue Date: Apr-2009
Publisher: Wiley-Blackwell
Citation: Toet S, Subke J, D’Haese D, Ashmore MR, Emberson LD, Crossman Z, Evershed RP, Barnes JD & Ineson P (2009) A new stable isotope approach identifies the fate of ozone in plant-soil systems, New Phytologist, 182 (1), pp. 85-90.
Abstract: We show that the stable isotope 18O can be used to trace ozone into different components of the plant–soil system at environmentally relevant concentrations. • We exposed plants and soils to 18O-labelled ozone and used isotopic enrichment in plant dry matter, leaf water and leaf apoplast, as well as in soil dry matter and soil water, to identify sites of ozone-derived 18O accumulation. • It was shown that isotopic accumulation rates in plants can be used to infer the location of primary ozone-reaction sites, and that those in bare soils are dependent on water content. However, the isotopic accumulation rates measured in leaf tissue were much lower than the modelled stomatal flux of ozone. • Our new approach has considerable potential to elucidate the fate and reactions of ozone within both plants and soils, at scales ranging from plant communities to cellular defence mechanisms.
Type: Journal Article
URI: http://hdl.handle.net/1893/3320
DOI Link: http://dx.doi.org/10.1111/j.1469-8137.2009.02780.x
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author; you can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of York
Biological and Environmental Sciences
Newcastle University
University of York
New York University
University of Bristol
University of Bristol
Newcastle University
University of York

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