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2016-08-02Zeitschriftenartikel DOI: 10.18452/18808
Bioturbation enhances the aerobic respiration of lake sediments in warming lakes
dc.contributor.authorBaranov, Viktor
dc.contributor.authorLewandowski, Jörg
dc.contributor.authorKrause, Stefan
dc.date.accessioned2018-02-16T13:00:32Z
dc.date.available2018-02-16T13:00:32Z
dc.date.issued2016-08-02
dc.identifier.issn1744-9561
dc.identifier.other10.1098/rsbl.2016.0448
dc.identifier.urihttp://edoc.hu-berlin.de/18452/19534
dc.description.abstractWhile lakes occupy less than 2% of the total surface of the Earth, they play a substantial role in global biogeochemical cycles. For instance, shallow lakes are important sites of carbon metabolism. Aerobic respiration is one of the important drivers of the carbon metabolism in lakes. In this context, bioturbation impacts of benthic animals (biological reworking of sediment matrix and ventilation of the sediment) on sediment aerobic respiration have previously been underestimated. Biological activity is likely to change over the course of a year due to seasonal changes of water temperatures. This study uses microcosm experiments to investigate how the impact of bioturbation (by Diptera, Chironomidae larvae) on lake sediment respiration changes when temperatures increase. While at 5°C, respiration in sediments with and without chironomids did not differ, at 30°C sediment respiration in microcosms with 2000 chironomids per m2 was 4.9 times higher than in uninhabited sediments. Our results indicate that lake water temperature increases could significantly enhance lake sediment respiration, which allows us to better understand seasonal changes in lake respiration and carbon metabolism as well as the potential impacts of global warming.eng
dc.language.isoeng
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.subjecttemperatureeng
dc.subjectbioturbationeng
dc.subjectlakeseng
dc.subjectChironomidaeeng
dc.subjectrespirationeng
dc.subjectcarbon metabolismeng
dc.subject.ddc550 Geowissenschaften
dc.titleBioturbation enhances the aerobic respiration of lake sediments in warming lakes
dc.typearticle
dc.identifier.urnurn:nbn:de:kobv:11-110-18452/19534-8
dc.identifier.doihttp://dx.doi.org/10.18452/18808
dc.type.versionpublishedVersion
local.edoc.container-titleBiology Letters
local.edoc.pages4
local.edoc.type-nameZeitschriftenartikel
local.edoc.institutionMathematisch-Naturwissenschaftliche Fakultät
local.edoc.container-typeperiodical
local.edoc.container-type-nameZeitschrift
local.edoc.container-publisher-nameThe Royal Society Publishing
local.edoc.container-volume12
local.edoc.container-issue8

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