Show simple item record

2022-04-18Zeitschriftenartikel DOI: 10.18452/24536
Flux of Root-Derived Carbon into the Nematode Micro-Food Web: A Comparison of Grassland and Agroforest
dc.contributor.authorHemmerling, Christin
dc.contributor.authorLi, Zhipeng
dc.contributor.authorShi, Lingling
dc.contributor.authorPausch, Johanna
dc.contributor.authorRuess, Liliane
dc.date.accessioned2022-04-26T07:12:42Z
dc.date.available2022-04-26T07:12:42Z
dc.date.issued2022-04-18none
dc.identifier.other10.3390/agronomy12040976
dc.identifier.urihttp://edoc.hu-berlin.de/18452/25206
dc.description.abstractCarbon (C) cycling is crucial to agroecosystem functioning. Important determinants for the belowground C flow are soil food webs, with microorganisms and microfaunal grazers, i.e., nematodes, as key biota. The present study investigates the incorporation of plant-derived C into the nematode micro-food web under two different cropping systems, grassland (ryegrass (Lolium perenne L.) and white clover (Trifolium repens L.)) and agroforest (willow (Salix schwerinii Wolf and Salix viminalis L)). To quantify the C flux from the plant into the soil micro-food web, grass and willow were pulse-labeled with 13CO2 and the incorporation of 13C into the nematode trophic groups was monitored 3, 7, 14 and 28 days after labeling. The natural stable isotope signals (13C/12C, 15N/14N) were analyzed to determine the structure of the nematode micro-food web. The natural isotopic δ15N signal revealed different trophic levels for omnivores and predators in grassland and agroforest soils. The incorporation of plant C into nematode tissue was detectable three days after 13CO2 labeling with the highest and fastest C allocation in plant feeders in grassland, and in fungal feeders in agroforest soil. C flux dynamics between the aboveground vegetation and belowground micro-food web varied with cropping system. This demonstrates that crop-specific translocation of C affects the multitrophic interactions in the root environment, which in turn can alter soil nutrient cycling.eng
dc.language.isoengnone
dc.publisherHumboldt-Universität zu Berlin
dc.rights(CC BY 4.0) Attribution 4.0 Internationalger
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectC fluxeng
dc.subjectroot-derived Ceng
dc.subjectplant typeeng
dc.subjectagroforesteng
dc.subjectnematodeseng
dc.subjectmicro-food webeng
dc.subject.ddc630 Landwirtschaft und verwandte Bereichenone
dc.titleFlux of Root-Derived Carbon into the Nematode Micro-Food Web: A Comparison of Grassland and Agroforestnone
dc.typearticle
dc.identifier.urnurn:nbn:de:kobv:11-110-18452/25206-4
dc.identifier.doihttp://dx.doi.org/10.18452/24536
dc.type.versionpublishedVersionnone
local.edoc.container-titleAgronomynone
local.edoc.pages17none
local.edoc.anmerkungThis article was supported by the German Research Foundation (DFG) and the Open Access Publication Fund of Humboldt-Universität zu Berlin.none
local.edoc.type-nameZeitschriftenartikel
local.edoc.institutionLebenswissenschaftliche Fakultätnone
local.edoc.container-typeperiodical
local.edoc.container-type-nameZeitschrift
local.edoc.container-publisher-nameMDPInone
local.edoc.container-publisher-placeBaselnone
local.edoc.container-volume12none
local.edoc.container-issue4none
dc.description.versionPeer Reviewednone
local.edoc.container-articlenumber976none
dc.identifier.eissn2073-4395

Show simple item record