Reduction of soil carbon formation by tropospheric ozone under increased carbon dioxide levels.
Identifieur interne : 004391 ( Main/Exploration ); précédent : 004390; suivant : 004392Reduction of soil carbon formation by tropospheric ozone under increased carbon dioxide levels.
Auteurs : Wendy M. Loya [États-Unis] ; Kurt S. Pregitzer ; Noah J. Karberg ; John S. King ; Christian P. GiardinaSource :
- Nature [ 1476-4687 ] ; 2003.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Sol.
- composition chimique : Atmosphère, Carbone.
- métabolisme : Arbres, Betula, Carbone, Dioxyde de carbone, Ozone, Populus.
- Acides, Solubilité, Écosystème.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Soil.
- chemical , chemistry : Carbon.
- chemical , metabolism : Carbon, Carbon Dioxide, Ozone.
- chemical : Acids.
- chemistry : Atmosphere.
- metabolism : Betula, Populus, Trees.
- Ecosystem, Solubility.
Abstract
In the Northern Hemisphere, ozone levels in the troposphere have increased by 35 per cent over the past century, with detrimental impacts on forest and agricultural productivity, even when forest productivity has been stimulated by increased carbon dioxide levels. In addition to reducing productivity, increased tropospheric ozone levels could alter terrestrial carbon cycling by lowering the quantity and quality of carbon inputs to soils. However, the influence of elevated ozone levels on soil carbon formation and decomposition are unknown. Here we examine the effects of elevated ozone levels on the formation rates of total and decay-resistant acid-insoluble soil carbon under conditions of elevated carbon dioxide levels in experimental aspen (Populus tremuloides) stands and mixed aspen-birch (Betula papyrifera) stands. With ambient concentrations of ozone and carbon dioxide both raised by 50 per cent, we find that the formation rates of total and acid-insoluble soil carbon are reduced by 50 per cent relative to the amounts entering the soil when the forests were exposed to increased carbon dioxide alone. Our results suggest that, in a world with elevated atmospheric carbon dioxide concentrations, global-scale reductions in plant productivity due to elevated ozone levels will also lower soil carbon formation rates significantly.
DOI: 10.1038/nature02047
PubMed: 14562100
Affiliations:
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Le document en format XML
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Pregitzer</name></author><author><name sortKey="Karberg, Noah J" sort="Karberg, Noah J" uniqKey="Karberg N" first="Noah J" last="Karberg">Noah J. Karberg</name></author><author><name sortKey="King, John S" sort="King, John S" uniqKey="King J" first="John S" last="King">John S. King</name></author><author><name sortKey="Giardina, Christian P" sort="Giardina, Christian P" uniqKey="Giardina C" first="Christian P" last="Giardina">Christian P. Giardina</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2003">2003</date><idno type="RBID">pubmed:14562100</idno><idno type="pmid">14562100</idno><idno type="doi">10.1038/nature02047</idno><idno type="wicri:Area/Main/Corpus">004395</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004395</idno><idno type="wicri:Area/Main/Curation">004395</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004395</idno><idno type="wicri:Area/Main/Exploration">004395</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Reduction of soil carbon formation by tropospheric ozone under increased carbon dioxide levels.</title><author><name sortKey="Loya, Wendy M" sort="Loya, Wendy M" uniqKey="Loya W" first="Wendy M" last="Loya">Wendy M. 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In addition to reducing productivity, increased tropospheric ozone levels could alter terrestrial carbon cycling by lowering the quantity and quality of carbon inputs to soils. However, the influence of elevated ozone levels on soil carbon formation and decomposition are unknown. Here we examine the effects of elevated ozone levels on the formation rates of total and decay-resistant acid-insoluble soil carbon under conditions of elevated carbon dioxide levels in experimental aspen (Populus tremuloides) stands and mixed aspen-birch (Betula papyrifera) stands. With ambient concentrations of ozone and carbon dioxide both raised by 50 per cent, we find that the formation rates of total and acid-insoluble soil carbon are reduced by 50 per cent relative to the amounts entering the soil when the forests were exposed to increased carbon dioxide alone. Our results suggest that, in a world with elevated atmospheric carbon dioxide concentrations, global-scale reductions in plant productivity due to elevated ozone levels will also lower soil carbon formation rates significantly.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">14562100</PMID><DateCompleted><Year>2003</Year><Month>11</Month><Day>06</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1476-4687</ISSN><JournalIssue CitedMedium="Internet"><Volume>425</Volume><Issue>6959</Issue><PubDate><Year>2003</Year><Month>Oct</Month><Day>16</Day></PubDate></JournalIssue><Title>Nature</Title><ISOAbbreviation>Nature</ISOAbbreviation></Journal><ArticleTitle>Reduction of soil carbon formation by tropospheric ozone under increased carbon dioxide levels.</ArticleTitle><Pagination><MedlinePgn>705-7</MedlinePgn></Pagination><Abstract><AbstractText>In the Northern Hemisphere, ozone levels in the troposphere have increased by 35 per cent over the past century, with detrimental impacts on forest and agricultural productivity, even when forest productivity has been stimulated by increased carbon dioxide levels. In addition to reducing productivity, increased tropospheric ozone levels could alter terrestrial carbon cycling by lowering the quantity and quality of carbon inputs to soils. However, the influence of elevated ozone levels on soil carbon formation and decomposition are unknown. Here we examine the effects of elevated ozone levels on the formation rates of total and decay-resistant acid-insoluble soil carbon under conditions of elevated carbon dioxide levels in experimental aspen (Populus tremuloides) stands and mixed aspen-birch (Betula papyrifera) stands. With ambient concentrations of ozone and carbon dioxide both raised by 50 per cent, we find that the formation rates of total and acid-insoluble soil carbon are reduced by 50 per cent relative to the amounts entering the soil when the forests were exposed to increased carbon dioxide alone. Our results suggest that, in a world with elevated atmospheric carbon dioxide concentrations, global-scale reductions in plant productivity due to elevated ozone levels will also lower soil carbon formation rates significantly.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Loya</LastName><ForeName>Wendy M</ForeName><Initials>WM</Initials><AffiliationInfo><Affiliation>School of Forest Resources and Environmental Science, Michigan Technological University, Houghton, Michigan 49931, USA. wmloya@mtu.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pregitzer</LastName><ForeName>Kurt S</ForeName><Initials>KS</Initials></Author><Author ValidYN="Y"><LastName>Karberg</LastName><ForeName>Noah J</ForeName><Initials>NJ</Initials></Author><Author ValidYN="Y"><LastName>King</LastName><ForeName>John S</ForeName><Initials>JS</Initials></Author><Author ValidYN="Y"><LastName>Giardina</LastName><ForeName>Christian P</ForeName><Initials>CP</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Nature</MedlineTA><NlmUniqueID>0410462</NlmUniqueID><ISSNLinking>0028-0836</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000143">Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>66H7ZZK23N</RegistryNumber><NameOfSubstance UI="D010126">Ozone</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000143" MajorTopicYN="N">Acids</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001272" MajorTopicYN="N">Atmosphere</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D029662" MajorTopicYN="N">Betula</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010126" MajorTopicYN="N">Ozone</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012995" MajorTopicYN="N">Solubility</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2003</Year><Month>02</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2003</Year><Month>09</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>10</Month><Day>17</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>11</Month><Day>7</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>10</Month><Day>17</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">14562100</ArticleId><ArticleId IdType="doi">10.1038/nature02047</ArticleId><ArticleId IdType="pii">nature02047</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Giardina, Christian P" sort="Giardina, Christian P" uniqKey="Giardina C" first="Christian P" last="Giardina">Christian P. Giardina</name><name sortKey="Karberg, Noah J" sort="Karberg, Noah J" uniqKey="Karberg N" first="Noah J" last="Karberg">Noah J. Karberg</name><name sortKey="King, John S" sort="King, John S" uniqKey="King J" first="John S" last="King">John S. King</name><name sortKey="Pregitzer, Kurt S" sort="Pregitzer, Kurt S" uniqKey="Pregitzer K" first="Kurt S" last="Pregitzer">Kurt S. Pregitzer</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Loya, Wendy M" sort="Loya, Wendy M" uniqKey="Loya W" first="Wendy M" last="Loya">Wendy M. Loya</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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