About: Ecosystem water use efficiency of norway spruce monoculture from eddy-covariance and ecophysiological measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Water release and biomass production of young Norway spruce stand were investigated by different approaches during 2004 – 2009. Closed-path eddycovariance system (LI-7000) was found to be suitable for accurate net ecosystem production evaluation (NEP). NEP was in a good correspondence with the biomass inventory data. In contrary, water vapour eddy-covariance fluxes were found underestimating a real water release of the stand. Global radiation and air water vapour pressure deficit at 75% of the stand height were main micrometeorological control drivers for stand transpiration (T) and evapotranspiration (ET). Thus, missing or bad quality data of eddy-covariance ET can be simulated according to these parameters. Water use efficiency (WUE) values calculated from net and gross primary production data highly differed in absolute values as well as in seasonal course mainly due to respiration. Annual WUE values from eddy-covariance and from ecophysiological measurements of T and stand biomass increment were unfortunately incomparable. Therefore, precise research of eddy-covariance H2O fluxes and WUE evaluation need to continue. Water release and biomass production of young Norway spruce stand were investigated by different approaches during 2004 – 2009. Closed-path eddycovariance system (LI-7000) was found to be suitable for accurate net ecosystem production evaluation (NEP). NEP was in a good correspondence with the biomass inventory data. In contrary, water vapour eddy-covariance fluxes were found underestimating a real water release of the stand. Global radiation and air water vapour pressure deficit at 75% of the stand height were main micrometeorological control drivers for stand transpiration (T) and evapotranspiration (ET). Thus, missing or bad quality data of eddy-covariance ET can be simulated according to these parameters. Water use efficiency (WUE) values calculated from net and gross primary production data highly differed in absolute values as well as in seasonal course mainly due to respiration. Annual WUE values from eddy-covariance and from ecophysiological measurements of T and stand biomass increment were unfortunately incomparable. Therefore, precise research of eddy-covariance H2O fluxes and WUE evaluation need to continue. (en)
Title	Ecosystem water use efficiency of norway spruce monoculture from eddy-covariance and ecophysiological measurements Ecosystem water use efficiency of norway spruce monoculture from eddy-covariance and ecophysiological measurements (en)
skos:prefLabel	Ecosystem water use efficiency of norway spruce monoculture from eddy-covariance and ecophysiological measurements Ecosystem water use efficiency of norway spruce monoculture from eddy-covariance and ecophysiological measurements (en)
skos:notation	RIV/67179843:_____/12:00382197!RIV13-AV0-67179843
http://linked.open...avai/predkladatel	Centrum výzkumu globální změny AV ČR v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0073), P(LM2010007), P(SP/2D1/70/08), P(SP/2D1/93/07), Z(AV0Z60870520)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pavelka, Marian Slípková, Romana Pokorný, Radek Havránková, Kateřina
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	132760
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/12:00382197
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	eddy-covariance; evaporation; Picea abies; sap flow; transpiration (en)
http://linked.open.../riv/klicoveSlovo	transpiration Picea abies eddy-covariance evaporation sap flow
http://linked.open...odStatuVydavatele	BE - Belgické království
http://linked.open...ontrolniKodProRIV	[A83DFCA84AB7]
http://linked.open...i/riv/nazevZdroje	Acta Horticulturae
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	CzeCOS/ICOS - National Infrastructure of Carbon Observation System CzechGlobe - Center for Global Climate Change Impacts Studies ForChange - forest ecosystems status and changes indication related to the global change based on anylysis ecophysiological processes and remote sensing Czech Terra - adaptation of lanscape carbon sinks in the context of global change
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	951
http://linked.open...iv/tvurceVysledku	Havránková, Kateřina Pavelka, Marian Pokorný, Radek Slípková, Romana
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change
issn	0567-7572
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Ecosystem water use efficiency of norway spruce monoculture from eddy-covariance and ecophysiological measurements

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