About: Redistribution of water within the aboveground part of trees

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Recent progress in sap flow technique demonstrates that, together with transpiration, hydraulic redistribution processes, HR, are determinant in tree water relations. Without HR trees would not transpire at the rates observed in many environments and locations. Results from direct sap flow measurements conducted across the world demonstrate the widespread nature of HR by roots in the soil profile. However, information about redistribution of water in tree compartments is scarce. Reverse flow is known to be a marker of HR occurrence in roots under low evaporative demand and in dry soil conditions. However, HR may also take place under high evaporative demand in tree tissues, when the driving forces significantly differ within the tree crown. HR then can be characterized by asynchronous patterns of flow variation in the conducting xylem of tree organs. Several examples under natural and artificial conditions demonstrate such situation by records of sap flow in different xylem layers measured by the HFD multi-point sensors. Recent progress in sap flow technique demonstrates that, together with transpiration, hydraulic redistribution processes, HR, are determinant in tree water relations. Without HR trees would not transpire at the rates observed in many environments and locations. Results from direct sap flow measurements conducted across the world demonstrate the widespread nature of HR by roots in the soil profile. However, information about redistribution of water in tree compartments is scarce. Reverse flow is known to be a marker of HR occurrence in roots under low evaporative demand and in dry soil conditions. However, HR may also take place under high evaporative demand in tree tissues, when the driving forces significantly differ within the tree crown. HR then can be characterized by asynchronous patterns of flow variation in the conducting xylem of tree organs. Several examples under natural and artificial conditions demonstrate such situation by records of sap flow in different xylem layers measured by the HFD multi-point sensors. (en)
Title	Redistribution of water within the aboveground part of trees Redistribution of water within the aboveground part of trees (en)
skos:prefLabel	Redistribution of water within the aboveground part of trees Redistribution of water within the aboveground part of trees (en)
skos:notation	RIV/62156489:43410/12:00215390!RIV14-GA0-43410___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA526/08/1050)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Gebauer, Roman Nadyezhdina, Naděžda Čermák, Jan Nadyezhdin, Valeriy
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mendelova univerzita v Brně / Lesnická a dřevařská fakulta
http://linked.open...dnocenehoVysledku	164470
http://linked.open...ai/riv/idVysledku	RIV/62156489:43410/12:00215390
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	multi-point sensor; heat field deformation method; hydraulic redistribution (en)
http://linked.open.../riv/klicoveSlovo	heat field deformation method multi-point sensor hydraulic redistribution
http://linked.open...ontrolniKodProRIV	[C5D16822B222]
http://linked.open...v/mistoKonaniAkce	Volterra
http://linked.open...i/riv/mistoVydani	Leuven
http://linked.open...i/riv/nazevZdroje	Acta Horticulturae 951
http://linked.open...in/vavai/riv/obor	GK
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Structure and function of the Quercus-Loranthus complex regarding to potential suppression of the important oak crown killer
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Gebauer, Roman Čermák, Jan Morales, Domingo David, Jorge Soares David, Teresa Soares Jiménez, María Soledad Nadezhdin, Valeriy Nadezhdina, Naděžda
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-05-08 (xsd:date)
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	International Society for Horticultural Science
https://schema.org/isbn	978-90-6605-358-8
http://localhost/t...ganizacniJednotka	43410

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