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Gat, J.R.* ; Yakir, D.* ; Goodfriend, G.* ; Fritz, P. ; Trimborn, P. ; Lipp, J. ; Gev, I.* ; Adar, E.* ; Waisel, Y.*

Stable isotope composition of water in desert plants.

Plant Soil 298, 31-45 (2007)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
A survey of the stable isotope content of tissue waters of plants from the Negev desert was conducted. Large differences were observed in the extent of enrichment of the heavy isotopes in leaf water relative to local precipitation among different plants. This is apparently caused by the species-dependent stratagems adopted by the plants to cope with water stress, primarily by differences in the depth of water uptake in the soil and through the timing of stomatal openings during the daily cycle. Salt stressed plants showed extreme variability in the isotopic composition of leaf-water. The results show that plants with adaptation to arid conditions can avoid the transpiration regime, which would lead to the strong isotopic enrichment in their leaf water expected under arid conditions. This has implications for the use of stable isotopes in plants as indicators of either plant ecophysiology or paleoclimate.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter stable isotopes; O-18; H-2; desert plants; water stress; leaf water
Sprache englisch
Veröffentlichungsjahr 2007
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0032-079X
e-ISSN 1573-5036
Zeitschrift Plant and Soil
Quellenangaben Band: 298, Heft: 1-2, Seiten: 31-45 Artikelnummer: , Supplement: ,
Verlag Springer
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Groundwater Ecology (IGOE)
POF Topic(s) 20403 - Sustainable Water Management
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504300-003
DOI 10.1007/s11104-007-9321-6
WOS ID 000249460000004
Scopus ID 34548660048
Erfassungsdatum 2007-09-30
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