Microbial utilisation of biochar-derived carbon
Identifieur interne : 004E13 ( Main/Exploration ); précédent : 004E12; suivant : 004E14Microbial utilisation of biochar-derived carbon
Auteurs : Mark Farrell [Australie] ; Thomas K. Kuhn [Australie, Allemagne] ; Lynne M. Macdonald [Australie] ; Todd M. Maddern [Australie] ; Daniel V. Murphy [Australie] ; Phillip A. Hall [Australie] ; BHUPINDER PAL SINGH [Australie] ; Karen Baumann [Australie, France] ; Evelyn S. Krull [Australie] ; Jeff A. Baldock [Australie]Source :
- Science of the total environment [ 0048-9697 ] ; 2013.
Descripteurs français
- Pascal (Inist)
English descriptors
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Abstract
Whilst largely considered an inert material, biochar has been documented to contain a small yet significant fraction of microbially available labile organic carbon (C). Biochar addition to soil has also been reported to alter soil microbial community structure, and to both stimulate and retard the decomposition of native soil organic matter (SOM). We conducted a short-term incubation experiment using two 13C-labelled biochars produced from wheat or eucalypt shoots, which were incorporated in an aridic arenosol to examine the fate of the labile fraction of biochar-C through the microbial community. This was achieved using compound specific isotopic analysis (CSIA) of phospholipid fatty acids (PLFAs). A proportion of the biologically-available fraction of both biochars was rapidly (within three days) utilised by gram positive bacteria. There was a sharp peak in CO2 evolution shortly after biochar addition, resulting from rapid turnover of labile C components in biochars and through positive priming of native SOM. Our results demonstrate that this CO2 evolution was at least partially microbially mediated, and that biochar application to soil can cause significant and rapid changes in the soil microbial community; likely due to addition of labile C and increases in soil pH.
Affiliations:
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Hall</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Sprigg Geobiology Centre, School of Earth and Environmental Science, The University of Adelaide, North Terrace Campus</s1><s2>Adelaide, 5005</s2><s3>AUS</s3><sZ>6 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide, 5005</wicri:noRegion></affiliation></author><author><name sortKey="Bhupinder Pal Singh" sort="Bhupinder Pal Singh" uniqKey="Bhupinder Pal Singh" last="Bhupinder Pal Singh">BHUPINDER PAL SINGH</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>NSW Department of Primary Industries, Forest Science Centre, PO Box 100</s1><s2>Beecroft, NSW, 2119</s2><s3>AUS</s3><sZ>7 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Beecroft, NSW, 2119</wicri:noRegion></affiliation></author><author><name sortKey="Baumann, Karen" sort="Baumann, Karen" uniqKey="Baumann K" first="Karen" last="Baumann">Karen Baumann</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>School of Agriculture, Food & Wine, University of Adelaide, DX 650 DP 636</s1><s2>Adelaide, SA, 5005</s2><s3>AUS</s3><sZ>8 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide, SA, 5005</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Laboratoire de Biogéochimie et Ecologie des Milieux Continentaux (BioEMCo), CNRS INRA UPMC UPEC-IRD AgroParisTech</s1><s2>78850 Thiverval-Grignon</s2><s3>FRA</s3><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>78850 Thiverval-Grignon</wicri:noRegion><wicri:noRegion>CNRS INRA UPMC UPEC-IRD AgroParisTech</wicri:noRegion><wicri:noRegion>78850 Thiverval-Grignon</wicri:noRegion></affiliation></author><author><name sortKey="Krull, Evelyn S" sort="Krull, Evelyn S" uniqKey="Krull E" first="Evelyn S." last="Krull">Evelyn S. 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Kuhn</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>CSIRO Land & Water/Sustainable Agriculture Flagship, PMB 2</s1><s2>Glen Osmond, SA, 5064</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Glen Osmond, SA, 5064</wicri:noRegion></affiliation><affiliation wicri:level="3"><inist:fA14 i1="06"><s1>Thermo Fisher Scientific, Hanna-Kunath-Strasse 11</s1><s2>28199, Bremen</s2><s3>DEU</s3><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="3">Brême (Land)</region><settlement type="city">Brême</settlement></placeName></affiliation></author><author><name sortKey="Macdonald, Lynne M" sort="Macdonald, Lynne M" uniqKey="Macdonald L" first="Lynne M." last="Macdonald">Lynne M. Macdonald</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>CSIRO Land & Water/Sustainable Agriculture Flagship, PMB 2</s1><s2>Glen Osmond, SA, 5064</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Glen Osmond, SA, 5064</wicri:noRegion></affiliation></author><author><name sortKey="Maddern, Todd M" sort="Maddern, Todd M" uniqKey="Maddern T" first="Todd M." last="Maddern">Todd M. Maddern</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>CSIRO Land & Water/Sustainable Agriculture Flagship, PMB 2</s1><s2>Glen Osmond, SA, 5064</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Glen Osmond, SA, 5064</wicri:noRegion></affiliation></author><author><name sortKey="Murphy, Daniel V" sort="Murphy, Daniel V" uniqKey="Murphy D" first="Daniel V." last="Murphy">Daniel V. Murphy</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Soil Biology and Molecular Ecology Group, School of Earth and Environment, Institute of Agriculture, University of Western Australia</s1><s2>Crawley, WA, 6009</s2><s3>AUS</s3><sZ>5 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Crawley, WA, 6009</wicri:noRegion></affiliation></author><author><name sortKey="Hall, Phillip A" sort="Hall, Phillip A" uniqKey="Hall P" first="Phillip A." last="Hall">Phillip A. Hall</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Sprigg Geobiology Centre, School of Earth and Environmental Science, The University of Adelaide, North Terrace Campus</s1><s2>Adelaide, 5005</s2><s3>AUS</s3><sZ>6 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide, 5005</wicri:noRegion></affiliation></author><author><name sortKey="Bhupinder Pal Singh" sort="Bhupinder Pal Singh" uniqKey="Bhupinder Pal Singh" last="Bhupinder Pal Singh">BHUPINDER PAL SINGH</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>NSW Department of Primary Industries, Forest Science Centre, PO Box 100</s1><s2>Beecroft, NSW, 2119</s2><s3>AUS</s3><sZ>7 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Beecroft, NSW, 2119</wicri:noRegion></affiliation></author><author><name sortKey="Baumann, Karen" sort="Baumann, Karen" uniqKey="Baumann K" first="Karen" last="Baumann">Karen Baumann</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>School of Agriculture, Food & Wine, University of Adelaide, DX 650 DP 636</s1><s2>Adelaide, SA, 5005</s2><s3>AUS</s3><sZ>8 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide, SA, 5005</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Laboratoire de Biogéochimie et Ecologie des Milieux Continentaux (BioEMCo), CNRS INRA UPMC UPEC-IRD AgroParisTech</s1><s2>78850 Thiverval-Grignon</s2><s3>FRA</s3><sZ>8 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>78850 Thiverval-Grignon</wicri:noRegion><wicri:noRegion>CNRS INRA UPMC UPEC-IRD AgroParisTech</wicri:noRegion><wicri:noRegion>78850 Thiverval-Grignon</wicri:noRegion></affiliation></author><author><name sortKey="Krull, Evelyn S" sort="Krull, Evelyn S" uniqKey="Krull E" first="Evelyn S." last="Krull">Evelyn S. Krull</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>CSIRO Land & Water/Sustainable Agriculture Flagship, PMB 2</s1><s2>Glen Osmond, SA, 5064</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Glen Osmond, SA, 5064</wicri:noRegion></affiliation></author><author><name sortKey="Baldock, Jeff A" sort="Baldock, Jeff A" uniqKey="Baldock J" first="Jeff A." last="Baldock">Jeff A. Baldock</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>CSIRO Land & Water/Sustainable Agriculture Flagship, PMB 2</s1><s2>Glen Osmond, SA, 5064</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Glen Osmond, SA, 5064</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Science of the total environment</title><title level="j" type="abbreviated">Sci. total environ.</title><idno type="ISSN">0048-9697</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Science of the total environment</title><title level="j" type="abbreviated">Sci. total environ.</title><idno type="ISSN">0048-9697</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bioavailability</term><term>Biochar</term><term>Carbon 13</term><term>Carbon Isotopes</term><term>Carbon black</term><term>Carbon sequestration</term><term>Carbonaceous materials</term><term>Charcoal</term><term>Combustion residue</term><term>Greenhouse gas</term><term>Isotope labelling</term><term>Microbial community</term><term>Mitigation</term><term>Organic carbon</term><term>Pyrolysis</term><term>Soils</term><term>Soot</term><term>Stable isotopes</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Charbon bois</term><term>Carbone 13</term><term>Noir carbone</term><term>Résidu combustion</term><term>Matériau carboné</term><term>Suie</term><term>Séquestration carbone</term><term>Pyrolyse</term><term>Carbone organique</term><term>Communauté microbienne</term><term>Sol</term><term>Marquage isotopique</term><term>Biodisponibilité</term><term>Isotope stable</term><term>Carbone Isotope</term><term>Gaz effet serre</term><term>Mitigation</term><term>Biochar</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Whilst largely considered an inert material, biochar has been documented to contain a small yet significant fraction of microbially available labile organic carbon (C). Biochar addition to soil has also been reported to alter soil microbial community structure, and to both stimulate and retard the decomposition of native soil organic matter (SOM). We conducted a short-term incubation experiment using two <sup>13</sup>C-labelled biochars produced from wheat or eucalypt shoots, which were incorporated in an aridic arenosol to examine the fate of the labile fraction of biochar-C through the microbial community. This was achieved using compound specific isotopic analysis (CSIA) of phospholipid fatty acids (PLFAs). A proportion of the biologically-available fraction of both biochars was rapidly (within three days) utilised by gram positive bacteria. There was a sharp peak in CO<sub>2</sub> evolution shortly after biochar addition, resulting from rapid turnover of labile C components in biochars and through positive priming of native SOM. Our results demonstrate that this CO<sub>2</sub> evolution was at least partially microbially mediated, and that biochar application to soil can cause significant and rapid changes in the soil microbial community; likely due to addition of labile C and increases in soil pH.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Australie</li><li>France</li></country><region><li>Brême (Land)</li></region><settlement><li>Brême</li></settlement></list><tree><country name="Australie"><noRegion><name sortKey="Farrell, Mark" sort="Farrell, Mark" uniqKey="Farrell M" first="Mark" last="Farrell">Mark Farrell</name></noRegion><name sortKey="Baldock, Jeff A" sort="Baldock, Jeff A" uniqKey="Baldock J" first="Jeff A." last="Baldock">Jeff A. Baldock</name><name sortKey="Baumann, Karen" sort="Baumann, Karen" uniqKey="Baumann K" first="Karen" last="Baumann">Karen Baumann</name><name sortKey="Bhupinder Pal Singh" sort="Bhupinder Pal Singh" uniqKey="Bhupinder Pal Singh" last="Bhupinder Pal Singh">BHUPINDER PAL SINGH</name><name sortKey="Hall, Phillip A" sort="Hall, Phillip A" uniqKey="Hall P" first="Phillip A." last="Hall">Phillip A. Hall</name><name sortKey="Krull, Evelyn S" sort="Krull, Evelyn S" uniqKey="Krull E" first="Evelyn S." last="Krull">Evelyn S. Krull</name><name sortKey="Kuhn, Thomas K" sort="Kuhn, Thomas K" uniqKey="Kuhn T" first="Thomas K." last="Kuhn">Thomas K. Kuhn</name><name sortKey="Macdonald, Lynne M" sort="Macdonald, Lynne M" uniqKey="Macdonald L" first="Lynne M." last="Macdonald">Lynne M. Macdonald</name><name sortKey="Maddern, Todd M" sort="Maddern, Todd M" uniqKey="Maddern T" first="Todd M." last="Maddern">Todd M. Maddern</name><name sortKey="Murphy, Daniel V" sort="Murphy, Daniel V" uniqKey="Murphy D" first="Daniel V." last="Murphy">Daniel V. Murphy</name></country><country name="Allemagne"><region name="Brême (Land)"><name sortKey="Kuhn, Thomas K" sort="Kuhn, Thomas K" uniqKey="Kuhn T" first="Thomas K." last="Kuhn">Thomas K. Kuhn</name></region></country><country name="France"><noRegion><name sortKey="Baumann, Karen" sort="Baumann, Karen" uniqKey="Baumann K" first="Karen" last="Baumann">Karen Baumann</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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