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| Hauptseite > Publikationsdatenbank > Sap flux density and stomatal conductance of European beech and common oak trees in pure and mixed stands during the summer drought of 2003 > print |
| Hauptseite > Publikationsdatenbank > Sap flux density and stomatal conductance of European beech and common oak trees in pure and mixed stands during the summer drought of 2003 > print |
| 001 | 16792 | ||
| 005 | 20200702121602.0 | ||
| 024 | 7 | _ | |2 DOI |a 10.1016/j.jhydrol.2011.08.032 |
| 024 | 7 | _ | |2 WOS |a WOS:000296601600032 |
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| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 690 |
| 084 | _ | _ | |2 WoS |a Engineering, Civil |
| 084 | _ | _ | |2 WoS |a Geosciences, Multidisciplinary |
| 084 | _ | _ | |2 WoS |a Water Resources |
| 100 | 1 | _ | |0 P:(DE-Juel1)VDB95614 |a Jonard, F. |b 0 |u FZJ |
| 245 | _ | _ | |a Sap flux density and stomatal conductance of European beech and common oak trees in pure and mixed stands during the summer drought of 2003 |
| 260 | _ | _ | |a Amsterdam [u.a.] |b Elsevier |c 2011 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |0 3413 |a Journal of Hydrology |v 409 |x 0022-1694 |y 1 |
| 500 | _ | _ | |3 POF3_Assignment on 2016-02-29 |
| 500 | _ | _ | |a This research was funded by the European Commission and the Walloon Region (DGARNE/DNF) in the framework of the EU regulation 1091/94 on the protection of forests against atmospheric pollution. We thank J. Morren for his technical and material assistance, and F. Hardy and F. Plume for their intensive help with field measurements. Finally, we wish to thank the two anonymous reviewers for their constructive comments and suggestions that significantly improved the manuscript. |
| 520 | _ | _ | |a Sap flux density of European beech and common oak trees was determined from sap flow measurements in pure and mixed stands during the summer drought of 2003. Eight trees per species and per stand were equipped with sap flow sensors. Soil water content was monitored in each stand at different depths by using time-domain reflectometry (TDR). Leaf area index and vertical root distribution were also investigated during the growing season. From sap flux density (SFD) data, mean stomatal conductance of individual trees (G(s)) was calculated by inverting the Penman-Monteith equation. Linear mixed models were developed to analyse the effects of species and stand type (pure vs. mixed) on SFD and G(s) and on their sensitivity to environmental variables (vapour pressure deficit (D), incoming solar radiation (R-G), and relative extractable water (REW)). For reference environmental conditions, we did not find any tree species or stand type effects on SFD. The sensitivity of SFD to D was higher for oak than for beech in the pure stands (P < 0.0001) but the mixing of species reduced it for oak and increased it for beech, so that the sensitivity of SFD to D became higher for beech than for oak in the mixed stand (P < 0.0001). At reference conditions, G(s) was significantly higher for beech compared to oak (2.1 and 1.8 times in the pure and mixed stand, respectively). This was explained by a larger beech sapwood-to-leaf area ratio compared to oak. The sensitivity of G(s) to REW was higher for beech than for oak and was ascribed to a higher vulnerability of beech to air embolism and to a more sensitive stomatal regulation. The sensitivity of beech G(s) to REW was lower in the mixed than in the pure stand, which could be explained by a better sharing of the resources in the mixture, by facilitation processes (hydraulic lift), and by a rainfall partitioning in favour of beech. (C) 2011 Elsevier B.V. All rights reserved. |
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| 588 | _ | _ | |a Dataset connected to Web of Science |
| 650 | _ | 7 | |2 WoSType |a J |
| 653 | 2 | 0 | |2 Author |a Sap flux |
| 653 | 2 | 0 | |2 Author |a Stomatal conductance |
| 653 | 2 | 0 | |2 Author |a Tree species mixture |
| 653 | 2 | 0 | |2 Author |a Drought |
| 653 | 2 | 0 | |2 Author |a Fagus sylvatica |
| 653 | 2 | 0 | |2 Author |a Quercus petraea |
| 700 | 1 | _ | |0 P:(DE-Juel1)VDB85547 |a André, F. |b 1 |u FZJ |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Ponette, Q. |b 2 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Vincke, C. |b 3 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Jonard, M. |b 4 |
| 773 | _ | _ | |0 PERI:(DE-600)1473173-3 |a 10.1016/j.jhydrol.2011.08.032 |g Vol. 409 |q 409 |t Journal of hydrology |v 409 |x 0022-1694 |y 2011 |
| 856 | 7 | _ | |u http://dx.doi.org/10.1016/j.jhydrol.2011.08.032 |
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