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Statements

Subject Item
n2:RIV%2F67179843%3A_____%2F08%3A00320205%21RIV09-AV0-67179843
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Plant biomass production, soil chemical and microbial parameters, microbial processes of C and N cycle and gases emissions were studied in soils at two types of grasslands (1) a nutrient poor sedge meadow on organic soil (Z) and (2) a mesotrophic sedge-sweet grass meadow on mineral soil (H). Eutrophication was simulated by the application of NPK fertilizer to selected permanent plots in 2006 and 2007. We observed an increase in net aboveground plant production connected with an increase in shoot:root ratio in fertilized plots of both sites, with more pronounced changes in oligotrophic sedge meadow. Total CO2 efflux from the ecosystem measured in situ was significantly higher at fertilized plots but we found no significant effect of fertilization on CO2 efflux from the system at mesotrophic site. Surprisingly, other parameters were not affected by fertilization. Plant biomass production, soil chemical and microbial parameters, microbial processes of C and N cycle and gases emissions were studied in soils at two types of grasslands (1) a nutrient poor sedge meadow on organic soil (Z) and (2) a mesotrophic sedge-sweet grass meadow on mineral soil (H). Eutrophication was simulated by the application of NPK fertilizer to selected permanent plots in 2006 and 2007. We observed an increase in net aboveground plant production connected with an increase in shoot:root ratio in fertilized plots of both sites, with more pronounced changes in oligotrophic sedge meadow. Total CO2 efflux from the ecosystem measured in situ was significantly higher at fertilized plots but we found no significant effect of fertilization on CO2 efflux from the system at mesotrophic site. Surprisingly, other parameters were not affected by fertilization. Na mokrých ostřicových loukách byla studována produkce rostlinné biomasy, chemické a mikrobiologické parametry půdy, mikrobiální procesy související s cyklem uhlíku a dusíku. Byly měřeny také emeise plynů z půdy (CH4, N2O a CO2). Eutrofizace byla simulována přidáním hnojiva (NPK) na vybrané plochy v roce 2006 a 2007. Pozorovali jsme zvýšení nadzemní produkce rostlin a tím související zvýšení poměru RS na hnojených plochách. Celkový výdej CO2 byl větší na hnojených plochách. Ostatní parametry nebyly hnojením ovlivněny.
dcterms:title
Krátkodobý vliv eutrofizace na cyklus uhlíku a dusíku ve dvou typech mokrých luk Short term effects of two experimantal eutrophication on carbon and nitrogen cycling in two types of wet grassland Short term effects of two experimantal eutrophication on carbon and nitrogen cycling in two types of wet grassland
skos:prefLabel
Krátkodobý vliv eutrofizace na cyklus uhlíku a dusíku ve dvou typech mokrých luk Short term effects of two experimantal eutrophication on carbon and nitrogen cycling in two types of wet grassland Short term effects of two experimantal eutrophication on carbon and nitrogen cycling in two types of wet grassland
skos:notation
RIV/67179843:_____/08:00320205!RIV09-AV0-67179843
n4:aktivita
n8:Z n8:P
n4:aktivity
P(GA526/06/0276), Z(AV0Z60870520)
n4:cisloPeriodika
-
n4:dodaniDat
n11:2009
n4:domaciTvurceVysledku
n14:5280990
n4:druhVysledku
n10:J
n4:duvernostUdaju
n7:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
394642
n4:idVysledku
RIV/67179843:_____/08:00320205
n4:jazykVysledku
n17:eng
n4:klicovaSlova
Carbon; Eutrophication; Gas emissions; Microbial processes; Nitrogen; Wet meadows
n4:klicoveSlovo
n5:Nitrogen n5:Gas%20emissions n5:Carbon n5:Eutrophication n5:Microbial%20processes n5:Wet%20meadows
n4:kodStatuVydavatele
HU - Maďarsko
n4:kontrolniKodProRIV
[8FDB33DE05F2]
n4:nazevZdroje
Community Ecology: an interdisciplinary journal reporting progress in community and population studies
n4:obor
n18:EH
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
5
n4:projekt
n6:GA526%2F06%2F0276
n4:rokUplatneniVysledku
n11:2008
n4:svazekPeriodika
9 /suppl./
n4:tvurceVysledku
Edwards, K. Zemanová, K. Dušek, Jiří Kaštovská, E. Picek, T.
n4:zamer
n15:AV0Z60870520
s:issn
1585-8553
s:numberOfPages
8