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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10282232%21RIV15-MSM-11310___
rdf:type
n6:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1016/j.soilbio.2014.07.011
dcterms:description
In a long-term (2.4 years) laboratory experiment, we studied carbon (C) loss from microcosms in which intact litter was placed on the soil surface with or without earthworms (. Lumbricus rubellus) or was fragmented and mechanically mixed into the soil to simulate the tillage. Two soil and leaf litter combinations common in post-mining sites near Sokolov (Czech Republic) were used: clay with alder (. Alnus glutinosa) and sand with willow (. Salix caprea).During the first 20 weeks, respiration was highest with surface litter with earthworms, lowest with mechanical mixing, and intermediate with surface litter minus earthworms. From week 20-80, respiration did not differ among the treatments. From week 80-126, respiration was highest when fragmented litter was mechanically mixed into soil. These results applied to both combinations of soil and litter types. At week 126, C stock was highest with surface-applied litter minus earthworms but most of the litter remained on the soil surface. In the mineral soil, the active C pool was significantly lower with surface-applied litter minus earthworms than in the other treatments. Based on microbial biomass and ergosterol content, microcosms with surface-applied litter minus earthworms were dominated by fungi while those with earthworms or litter that was mechanically mixed into soil were dominated by bacteria. Overall, the results indicate that C sequestration in soil is greater when litter is mixed into the soil by earthworms than by mechanical mixing. (C) 2014 Elsevier Ltd. In a long-term (2.4 years) laboratory experiment, we studied carbon (C) loss from microcosms in which intact litter was placed on the soil surface with or without earthworms (. Lumbricus rubellus) or was fragmented and mechanically mixed into the soil to simulate the tillage. Two soil and leaf litter combinations common in post-mining sites near Sokolov (Czech Republic) were used: clay with alder (. Alnus glutinosa) and sand with willow (. Salix caprea).During the first 20 weeks, respiration was highest with surface litter with earthworms, lowest with mechanical mixing, and intermediate with surface litter minus earthworms. From week 20-80, respiration did not differ among the treatments. From week 80-126, respiration was highest when fragmented litter was mechanically mixed into soil. These results applied to both combinations of soil and litter types. At week 126, C stock was highest with surface-applied litter minus earthworms but most of the litter remained on the soil surface. In the mineral soil, the active C pool was significantly lower with surface-applied litter minus earthworms than in the other treatments. Based on microbial biomass and ergosterol content, microcosms with surface-applied litter minus earthworms were dominated by fungi while those with earthworms or litter that was mechanically mixed into soil were dominated by bacteria. Overall, the results indicate that C sequestration in soil is greater when litter is mixed into the soil by earthworms than by mechanical mixing. (C) 2014 Elsevier Ltd.
dcterms:title
The effect of earthworms (Lumbricus rubellus) and simulated tillage on soil organic carbon in a long-term microcosm experiment The effect of earthworms (Lumbricus rubellus) and simulated tillage on soil organic carbon in a long-term microcosm experiment
skos:prefLabel
The effect of earthworms (Lumbricus rubellus) and simulated tillage on soil organic carbon in a long-term microcosm experiment The effect of earthworms (Lumbricus rubellus) and simulated tillage on soil organic carbon in a long-term microcosm experiment
skos:notation
RIV/00216208:11310/14:10282232!RIV15-MSM-11310___
n3:aktivita
n17:S n17:P n17:I
n3:aktivity
I, P(GAP504/12/1288), S
n3:cisloPeriodika
November 2014
n3:dodaniDat
n8:2015
n3:domaciTvurceVysledku
n16:7136676 n16:1271954 n16:2077418
n3:druhVysledku
n15:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
13248
n3:idVysledku
RIV/00216208:11310/14:10282232
n3:jazykVysledku
n10:eng
n3:klicovaSlova
Soil processes; Microbial respiration; Litter decomposition; Ergosterol; Earthworms; Carbon sequestration
n3:klicoveSlovo
n5:Soil%20processes n5:Carbon%20sequestration n5:Litter%20decomposition n5:Microbial%20respiration n5:Ergosterol n5:Earthworms
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[16156CC8E1BA]
n3:nazevZdroje
Soil Biology and Biochemistry
n3:obor
n12:DF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n11:GAP504%2F12%2F1288
n3:rokUplatneniVysledku
n8:2014
n3:svazekPeriodika
78
n3:tvurceVysledku
Bartuška, Martin Špaldoňová, Alexandra Frouz, Jan Fričová, K.
n3:wos
000343950600008
s:issn
0038-0717
s:numberOfPages
7
n20:doi
10.1016/j.soilbio.2014.07.011
n4:organizacniJednotka
11310