Näytä suppeat kuvailutiedot

dc.contributor.authorHiltunen, Minna
dc.contributor.authorNykänen, Hannu
dc.contributor.authorSyväranta, Jari
dc.date.accessioned2021-04-16T10:52:23Z
dc.date.available2021-04-16T10:52:23Z
dc.date.issued2021
dc.identifier.citationHiltunen, M., Nykänen, H., & Syväranta, J. (2021). The influence of lipid content and taxonomic affiliation on methane and carbon dioxide production from phytoplankton biomass in lake sediment. <i>Limnology and Oceanography</i>, <i>66</i>(5), 1915-1925. <a href="https://doi.org/10.1002/lno.11732" target="_blank">https://doi.org/10.1002/lno.11732</a>
dc.identifier.otherCONVID_66427551
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/75088
dc.description.abstractThe greenhouse gases methane (CH4) and carbon dioxide (CO2) are end products of microbial anaerobic degradation of organic matter (OM) in lake sediments. Although previous research has shown that phytoplankton lipid content influences sediment methanogenesis, current understanding on how OM quality affects methanogenesis is still limited. Such information is needed to more accurately assess how lake greenhouse gas emissions may change in response to anthropogenic activities. We cultured 11 phytoplankton species from five classes and studied how taxonomic identity, C : N ratio, lipid content, and fatty acid composition of phytoplankton biomass affects the CH4 and net CO2 production in anaerobic lake sediments with an incubation experiment that lasted > 100 d. The carbon‐normalized potential CH4 (0.09–0.23 μmol mg C−1 d−1) and net CO2 (0.09–0.28 μmol mg C−1 d−1) production rates were not related to phytoplankton taxonomic affiliation (e.g., class, species), C : N ratio, or fatty acid composition of algal biomass. Methane or net CO2 production potentials did not increase with higher lipid content (10–30%); however, total fatty acid content had a weak correlation with CH4 production potential. In contrast to previous research, our results suggest that lipid content is of minor importance in determining methanogenesis rates from the biomass of multispecies phytoplankton communities settling on sediments. The decrease in CO2 concentration and the correlation between stable carbon isotope signatures of CH4 and molar ratio of CH4 and CO2 at the end of the experiment may indicate that importance of hydrogenotrophic methanogenesis, which uses CO2 when other substrates become limiting, increased during the long incubation.en
dc.format.mimetypeapplication/pdf
dc.languageeng
dc.language.isoeng
dc.publisherJohn Wiley & Sons
dc.relation.ispartofseriesLimnology and Oceanography
dc.rightsCC BY 4.0
dc.subject.otherlimnology
dc.subject.othermethane
dc.subject.othercarbon dioxide
dc.subject.otherphytoplankton biomass
dc.subject.otherlake sediment
dc.titleThe influence of lipid content and taxonomic affiliation on methane and carbon dioxide production from phytoplankton biomass in lake sediment
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202104162393
dc.contributor.laitosBio- ja ympäristötieteiden laitosfi
dc.contributor.laitosDepartment of Biological and Environmental Scienceen
dc.contributor.oppiaineYmpäristötiedefi
dc.contributor.oppiaineEnvironmental Scienceen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.format.pagerange1915-1925
dc.relation.issn0024-3590
dc.relation.numberinseries5
dc.relation.volume66
dc.type.versionpublishedVersion
dc.rights.copyright© 2021 The Authors. Limnology and Oceanography published by Wiley Periodicals LLC on behalf of Association for the Sciences of Limnology and Oceanography
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber315163
dc.subject.ysosedimentit
dc.subject.ysolimnologia
dc.subject.ysometaani
dc.subject.ysolipidit
dc.subject.ysokasvihuonekaasut
dc.subject.ysojärvet
dc.subject.ysoplankton
dc.subject.ysohiilen kierto
dc.subject.ysohiilidioksidi
dc.subject.ysoravinteet
dc.subject.ysomikrolevät
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p14605
jyx.subject.urihttp://www.yso.fi/onto/yso/p11880
jyx.subject.urihttp://www.yso.fi/onto/yso/p13222
jyx.subject.urihttp://www.yso.fi/onto/yso/p4799
jyx.subject.urihttp://www.yso.fi/onto/yso/p4729
jyx.subject.urihttp://www.yso.fi/onto/yso/p9374
jyx.subject.urihttp://www.yso.fi/onto/yso/p3053
jyx.subject.urihttp://www.yso.fi/onto/yso/p28986
jyx.subject.urihttp://www.yso.fi/onto/yso/p4728
jyx.subject.urihttp://www.yso.fi/onto/yso/p3938
jyx.subject.urihttp://www.yso.fi/onto/yso/p26977
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1002/lno.11732
dc.relation.funderResearch Council of Finlanden
dc.relation.funderSuomen Akatemiafi
jyx.fundingprogramPostdoctoral Researcher, AoFen
jyx.fundingprogramTutkijatohtori, SAfi
jyx.fundinginformationAcademy of Finland. Grant Numbers: 296918, 307238, 315163
dc.type.okmA1


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