About: Comparison of extractable soil carbon and dissolved organic carbon by their molecular characteristics

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of this study was to compare the molecular characteristics of extractable soil carbon from biotopes of the Rašeliník watershed and dissolved organic carbon (DOC) from Rašeliník creek, by using the 0.1 M pyrophospate, 0.01 M CaCl2 and Britton-Robinson buffer as extraction agents. The molecular weight Mr and weight-average molecular wight Mw determined by the low pressure size exclusion chromatography. Elution curves of all humic substances were characteristic by two peaks with predominant low-molecular fraction. Mr and Mw values of aquatic humic substances were 5.9 and 7.9 kDa, respectively, and proportion of this low-molecular fraction reached 97%. This corresponds to the fact, that the main fraction of HS in surface waters constitute fulvic acids. Using soil extraction in CaCl2 we obtained the fraction of organic carbon similar to the humic substances contain in DOC. The aim of this study was to compare the molecular characteristics of extractable soil carbon from biotopes of the Rašeliník watershed and dissolved organic carbon (DOC) from Rašeliník creek, by using the 0.1 M pyrophospate, 0.01 M CaCl2 and Britton-Robinson buffer as extraction agents. The molecular weight Mr and weight-average molecular wight Mw determined by the low pressure size exclusion chromatography. Elution curves of all humic substances were characteristic by two peaks with predominant low-molecular fraction. Mr and Mw values of aquatic humic substances were 5.9 and 7.9 kDa, respectively, and proportion of this low-molecular fraction reached 97%. This corresponds to the fact, that the main fraction of HS in surface waters constitute fulvic acids. Using soil extraction in CaCl2 we obtained the fraction of organic carbon similar to the humic substances contain in DOC. (en)
Title	Comparison of extractable soil carbon and dissolved organic carbon by their molecular characteristics Comparison of extractable soil carbon and dissolved organic carbon by their molecular characteristics (en)
skos:prefLabel	Comparison of extractable soil carbon and dissolved organic carbon by their molecular characteristics Comparison of extractable soil carbon and dissolved organic carbon by their molecular characteristics (en)
skos:notation	RIV/60077344:_____/11:00369017!RIV12-AV0-60077344
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z60660521)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šestauberová, Martina Novák, František
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	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	191127
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/11:00369017
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	DOC; humic substances; molecular weight (en)
http://linked.open.../riv/klicoveSlovo	DOC humic substances molecular weight
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[ABDF421DCACB]
http://linked.open...i/riv/nazevZdroje	Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	59
http://linked.open...iv/tvurceVysledku	Novák, František Šestauberová, Martina
http://linked.open...n/vavai/riv/zamer	Relationships between the structure and function of decomposer food web in soil
issn	1211-8516
number of pages	6 (xsd:int)

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