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000061198 0247_ $$2DOI$$a10.1016/j.dendro.2007.03.005
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000061198 084__ $$2WoS$$aPlant Sciences
000061198 084__ $$2WoS$$aForestry
000061198 1001_ $$0P:(DE-HGF)0$$aHitz, O.M.$$b0
000061198 245__ $$aWood anatomical changes in roots of European ash (Fraxinus excelsior L.) after explosure
000061198 260__ $$aJena$$bUrban & Fischer$$c2008
000061198 300__ $$a145 - 152
000061198 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000061198 440_0 $$018543$$aDendrochronologia$$v25$$x1125-7865
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000061198 520__ $$aGlobal changes have distinct influence on fluvial processes in torrents causing erosion on slopes and riverbanks even in forested areas. Continuous as well as discontinuous erosion of riverbanks covered by trees frequently results in destabilisation and finally cause the trees affected to tip over. These uprooted trees may lead to a blockage of the river and, in the case of a collapse of the resulting dam, resulting in severe flooding or even debris-flow surges. Dating the time of root exposure along riverbanks allows the reconstruction of erosion dynamics. In the previous studies, roots of coniferous trees have shown anatomical changes (cell size reduction in earlywood) after exposure. This anatomical feature in the xylem of exposed roots has helped to determine the time of exposure at an annual resolution. In the current study, this methodology is now applied for the first time to European ash (Fraxinus excelsior L.) to determine its specific reactions to root exposure.First results show different reactions in vessel and fibre dimensions. Fibres show a distinct decrease in lumen area due to exposure, whereas vessel lumen area displays more variability ranging from 50% size reduction to no changes. It is discussed that vessel size characteristics are also related to ecophysiological and climatic patterns. (C) 2007 Elsevier GmbH. All rights reserved.
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000061198 650_7 $$2WoSType$$aJ
000061198 65320 $$2Author$$adendrogeomorphology
000061198 65320 $$2Author$$aroot exposure
000061198 65320 $$2Author$$ariver erosion
000061198 65320 $$2Author$$aash tree
000061198 65320 $$2Author$$aFraxinus excelsior L.
000061198 65320 $$2Author$$awood anatomy
000061198 7001_ $$0P:(DE-HGF)0$$aGärtner, H.$$b1
000061198 7001_ $$0P:(DE-Juel1)VDB66288$$aHeinrich, I.$$b2$$uFZJ
000061198 7001_ $$0P:(DE-HGF)0$$aMonbaron, M.$$b3
000061198 773__ $$0PERI:(DE-600)2088117-4$$a10.1016/j.dendro.2007.03.005$$gVol. 25, p. 145 - 152$$p145 - 152$$q25<145 - 152$$tDendrochronologia$$v25$$x1125-7865$$y2008
000061198 8567_ $$uhttp://dx.doi.org/10.1016/j.dendro.2007.03.005
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000061198 9131_ $$0G:(DE-Juel1)FUEK407$$bErde und Umwelt$$kP24$$lTerrestrische Umwelt$$vTerrestrische Umwelt$$x0
000061198 9141_ $$y2008
000061198 915__ $$0StatID:(DE-HGF)0020$$aNo peer review
000061198 9201_ $$0I:(DE-Juel1)ICG-3-20090406$$d31.10.2010$$gICG$$kICG-3$$lPhytosphäre$$x1
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