About: Long-term water use efficiency of young spruce forest

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Long-term water use efficiency (WUE) describes water utilization by plants on different levels of biosphere organization. We have performed a WUE evaluation in two young spruce forests of different stand densities, sparse (FS) a dense (FD) from 1998 to 2003. WUE in this study was calculated as a ratio of total aboveground biomass(TB) and transpiration (T) on annual time scale. Two approaches were used for total biomass evaluation: i) TBi- from stem diameter at the breast height (DBH) increment dynamic and its allometry with TB, and ii) TBii- as a sum of leaf, branch and stem biomass. Growth dynamic of branch was related to tree height increment and leaf biomass to leaf area index. TBi was found significantly higher than TBii in FD. However, WUE was not significantly different among the stands and approaches. WUE with TBi (WUEi) used were 4.30 g/l and 4.68 g/l in FS and FD, WUEii with use TBii 4.17 g/l and 4.14 g/l in FS and FD, respectively. WUE of FS and FD was similar due to identical climate conditions, stand age and genetic origin of the trees. We can recomend TBi approach due to lower instrumentation demands and accurate results in the same time. Long-term water use efficiency (WUE) describes water utilization by plants on different levels of biosphere organization. We have performed a WUE evaluation in two young spruce forests of different stand densities, sparse (FS) a dense (FD) from 1998 to 2003. WUE in this study was calculated as a ratio of total aboveground biomass(TB) and transpiration (T) on annual time scale. Two approaches were used for total biomass evaluation: i) TBi- from stem diameter at the breast height (DBH) increment dynamic and its allometry with TB, and ii) TBii- as a sum of leaf, branch and stem biomass. Growth dynamic of branch was related to tree height increment and leaf biomass to leaf area index. TBi was found significantly higher than TBii in FD. However, WUE was not significantly different among the stands and approaches. WUE with TBi (WUEi) used were 4.30 g/l and 4.68 g/l in FS and FD, WUEii with use TBii 4.17 g/l and 4.14 g/l in FS and FD, respectively. WUE of FS and FD was similar due to identical climate conditions, stand age and genetic origin of the trees. We can recomend TBi approach due to lower instrumentation demands and accurate results in the same time. (en)
Title	Long-term water use efficiency of young spruce forest Long-term water use efficiency of young spruce forest (en)
skos:prefLabel	Long-term water use efficiency of young spruce forest Long-term water use efficiency of young spruce forest (en)
skos:notation	RIV/62156489:43410/12:00215398!RIV14-MSM-43410___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pokorný, Radek
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	147451
http://linked.open...ai/riv/idVysledku	RIV/62156489:43410/12:00215398
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biomass increment; transpiration; Norway spruce (Picea abies); water regime (en)
http://linked.open.../riv/klicoveSlovo	transpiration Norway spruce (Picea abies) biomass increment water regime
http://linked.open...ontrolniKodProRIV	[FAE5CBDBCD92]
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	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Pokorný, Radek Slípková, Romana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-05-08 (xsd:date)
number of pages	7 (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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