About: Effects of heavy metal concentrations on biological activity of soil micro-organisms

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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 distribution of cadmium, lead and zinc in exchangeable, organic, and 2M HNO3-extractable fractions as well as the effect of heavy metal concentration on soil microflora was investigated. Six sampling transects were chosen in the Litavka River alluvium in the years 1999-2001. Concentration of all metals increased with decreasing distance from the source of contamination. The concentrations of Cd and Zn in exchangeable fraction were higher in organically bound fraction, reverse trend was found in Pb speciation. All measured parameters of soil microbial activity were affected by heavy metals concentration. The decrease of CFU was most significant in case of oligotrophic bacteria and spore-forming bacteria. Significant inhibition of C-biomass occurred in soils highly contaminated by heavy metals. Cbiomass:Cox ratio decreased with increasing soil pollution. Generally, the values of enzymatic activities were highest in soil above the source of contamination and they were decreasing approaching the sourc The distribution of cadmium, lead and zinc in exchangeable, organic, and 2M HNO3-extractable fractions as well as the effect of heavy metal concentration on soil microflora was investigated. Six sampling transects were chosen in the Litavka River alluvium in the years 1999-2001. Concentration of all metals increased with decreasing distance from the source of contamination. The concentrations of Cd and Zn in exchangeable fraction were higher in organically bound fraction, reverse trend was found in Pb speciation. All measured parameters of soil microbial activity were affected by heavy metals concentration. The decrease of CFU was most significant in case of oligotrophic bacteria and spore-forming bacteria. Significant inhibition of C-biomass occurred in soils highly contaminated by heavy metals. Cbiomass:Cox ratio decreased with increasing soil pollution. Generally, the values of enzymatic activities were highest in soil above the source of contamination and they were decreasing approaching the sourc (en)
Title	Effects of heavy metal concentrations on biological activity of soil micro-organisms Effects of heavy metal concentrations on biological activity of soil micro-organisms (en)
skos:prefLabel	Effects of heavy metal concentrations on biological activity of soil micro-organisms Effects of heavy metal concentrations on biological activity of soil micro-organisms (en)
skos:notation	RIV/60460709:41210/03:00005659!RIV/2004/MSM/412104/N
http://linked.open.../vavai/riv/strany	321-326
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 412100004)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Borůvka, Luboš
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	Česká zemědělská univerzita v Praze / Fakulta agrobiologie, potravinových a přírodních zdrojů
http://linked.open...dnocenehoVysledku	605300
http://linked.open...ai/riv/idVysledku	RIV/60460709:41210/03:00005659
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	heavy metal; soil microflora; microbial and nezymatic activities; CFU (en)
http://linked.open.../riv/klicoveSlovo	heavy metal soil microflora CFU microbial and nezymatic activities
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[0386920A3F43]
http://linked.open...i/riv/nazevZdroje	Plant, Soil and Environment
http://linked.open...in/vavai/riv/obor	DF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	49
http://linked.open...iv/tvurceVysledku	Borůvka, Luboš Mikanová, O. Šmejkalova, M.
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20412100004
issn	1214-1178
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	41210

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