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Soil fauna reduce soil respiration by supporting N leaching from litter

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    SYSNO ASEP0531077
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleSoil fauna reduce soil respiration by supporting N leaching from litter
    Author(s) Frouz, Jan (BC-A) RID, ORCID
    Novotná, Kateřina (UH-J) SAI, ORCID, RID
    Čermáková, Lenka (UH-J) RID, ORCID, SAI
    Pivokonský, Martin (UH-J) SAI, ORCID, RID
    Article number103585
    Source TitleApplied Soil Ecology. - : Elsevier - ISSN 0929-1393
    Roč. 153, September (2020)
    Number of pages8 s.
    Languageeng - English
    CountryNL - Netherlands
    KeywordsCollembola ; Enchytraeidae ; mineralization ; negative priming ; priming effect ; sequestration
    Subject RIVDF - Soil Science
    OECD categorySoil science
    Subject RIV - cooperationInstitute of Hydrodynamics - Water Pollution ; Quality
    R&D ProjectsGA17-14409S GA ČR - Czech Science Foundation (CSF)
    EF16_013/0001782 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    Method of publishingLimited access
    Institutional supportBC-A - RVO:60077344 ; UH-J - RVO:67985874
    UT WOS000560742300002
    EID SCOPUS85081667051
    DOI10.1016/j.apsoil.2020.103585
    AnnotationIt has been suggested that, in addition to consuming litter and releasing C via respiration, soil fauna may also indirectly increase overall C loss from soil by causing the priming effect. This is based on the assumption that fauna increases the amount of liable C rather than N in litter leachate. An increase in the labile C would increase soil respiration via the priming effect, while an increase in N in leachates would presumably have the opposite effect (negative priming, decrease of respiration). Here we used a microcosm experiment to study the effects of the presence or absence of two species of soil fauna (the collembolan Folsomia candida and the enchytraeid Enchytraeus crypticus) used alone or in combination, on: 1) the litter respiration of five plants (Alnus glutinosa, Calamagrostis epigejos, Quercus robur, Salix caprea, and Picea omorika), 2) the loss of C and N by leaching from the same litter during a one-year laboratory experiment, and 3) the effect of these leachates on microbial respiration of the soil underlying the litter layer. Litter-based respiration in microcosms was unaffected by soil fauna. The fauna did not affect the leaching of C, but significantly increased the leaching of N. These effects were strongest in the early stages of decomposition. Leachates collected from fauna and no fauna treatment were then applied to the soil underlying the litter. The soil supplied by leachate from fauna treatments showed significantly lower respiration than the soil supplied by no fauna treatments leachates. This suggests that the fauna effect on litter leachate may reduce soil respiration.
    WorkplaceBiology Centre (since 2006)
    ContactDana Hypšová, eje@eje.cz, Tel.: 387 775 214
    Year of Publishing2021
    Electronic addresshttps://www.sciencedirect.com/science/article/pii/S0929139319311357?via%3Dihub
Number of the records: 1  

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