Vertical profiles reveal impact of ozone and temperature on carbon assimilation of Betula pendula and Populus tremula.
Identifieur interne : 002C53 ( Main/Exploration ); précédent : 002C52; suivant : 002C54Vertical profiles reveal impact of ozone and temperature on carbon assimilation of Betula pendula and Populus tremula.
Auteurs : Maarit M Enp [Finlande] ; Johanna Riikonen ; Sari Kontunen-Soppela ; Matti Rousi ; Elina OksanenSource :
- Tree physiology [ 1758-4469 ] ; 2011.
Descripteurs français
- KwdFr :
- Azote (métabolisme), Betula (croissance et développement), Betula (effets des médicaments et des substances chimiques), Betula (métabolisme), Carbone (métabolisme), Changement climatique (MeSH), Feuilles de plante (effets des médicaments et des substances chimiques), Feuilles de plante (métabolisme), Ozone (pharmacologie), Photosynthèse (effets des médicaments et des substances chimiques), Populus (croissance et développement), Populus (effets des médicaments et des substances chimiques), Populus (métabolisme), Stomates de plante (effets des médicaments et des substances chimiques), Séquestration du carbone (MeSH), Température élevée (MeSH).
- MESH :
- croissance et développement : Betula, Populus.
- effets des médicaments et des substances chimiques : Betula, Feuilles de plante, Photosynthèse, Populus, Stomates de plante.
- métabolisme : Azote, Betula, Carbone, Feuilles de plante, Populus.
- pharmacologie : Ozone.
- Changement climatique, Séquestration du carbone, Température élevée.
English descriptors
- KwdEn :
- Betula (drug effects), Betula (growth & development), Betula (metabolism), Carbon (metabolism), Carbon Sequestration (MeSH), Climate Change (MeSH), Hot Temperature (MeSH), Nitrogen (metabolism), Ozone (pharmacology), Photosynthesis (drug effects), Plant Leaves (drug effects), Plant Leaves (metabolism), Plant Stomata (drug effects), Populus (drug effects), Populus (growth & development), Populus (metabolism).
- MESH :
- chemical , metabolism : Carbon, Nitrogen.
- drug effects : Betula, Photosynthesis, Plant Leaves, Plant Stomata, Populus.
- growth & development : Betula, Populus.
- metabolism : Betula, Plant Leaves, Populus.
- chemical , pharmacology : Ozone.
- Carbon Sequestration, Climate Change, Hot Temperature.
Abstract
Rising temperature and tropospheric ozone (O(3)) concentrations are likely to affect carbon assimilation processes and thus the carbon sink strength of trees. In this study, we investigated the joint action of elevated ozone and temperature on silver birch (Betula pendula) and European aspen (Populus tremula) saplings in field conditions by combining free-air ozone exposure (1.2 × ambient) and infrared heaters (ambient +1.2 °C). At leaf level measurements, elevated ozone decreased leaf net photosynthesis (P(n)), while the response to elevated temperature was dependent on leaf position within the foliage. This indicates that leaf position has to be taken into account when leaf level data are collected and applied. The ozone effect on P(n) was partly compensated for at elevated temperature, showing an interactive effect of the treatments. In addition, the ratio of photosynthesis to stomatal conductance (P(n)/g(s) ratio) was decreased by ozone, which suggests decreasing water use efficiency. At the plant level, the increasing leaf area at elevated temperature resulted in a considerable increase in photosynthesis and growth in both species.
DOI: 10.1093/treephys/tpr075
PubMed: 21856655
Affiliations:
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last="Kontunen-Soppela">Sari Kontunen-Soppela</name></author><author><name sortKey="Rousi, Matti" sort="Rousi, Matti" uniqKey="Rousi M" first="Matti" last="Rousi">Matti Rousi</name></author><author><name sortKey="Oksanen, Elina" sort="Oksanen, Elina" uniqKey="Oksanen E" first="Elina" last="Oksanen">Elina Oksanen</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21856655</idno><idno type="pmid">21856655</idno><idno type="doi">10.1093/treephys/tpr075</idno><idno type="wicri:Area/Main/Corpus">002D14</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002D14</idno><idno type="wicri:Area/Main/Curation">002D14</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002D14</idno><idno type="wicri:Area/Main/Exploration">002D14</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Vertical profiles reveal impact of ozone and temperature on carbon assimilation of Betula pendula and Populus tremula.</title><author><name sortKey="M Enp, Maarit" sort="M Enp, Maarit" uniqKey="M Enp M" first="Maarit" last="M Enp">Maarit M Enp</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biology, University of Eastern Finland, PO Box 111, FI-80101 Joensuu, Finland. maarit.maenpaa@uef.fi</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Biology, University of Eastern Finland, PO Box 111, FI-80101 Joensuu</wicri:regionArea><wicri:noRegion>FI-80101 Joensuu</wicri:noRegion></affiliation></author><author><name sortKey="Riikonen, Johanna" sort="Riikonen, Johanna" uniqKey="Riikonen J" first="Johanna" last="Riikonen">Johanna Riikonen</name></author><author><name sortKey="Kontunen Soppela, Sari" sort="Kontunen Soppela, Sari" uniqKey="Kontunen Soppela S" first="Sari" last="Kontunen-Soppela">Sari Kontunen-Soppela</name></author><author><name sortKey="Rousi, Matti" sort="Rousi, Matti" uniqKey="Rousi M" first="Matti" last="Rousi">Matti Rousi</name></author><author><name sortKey="Oksanen, Elina" sort="Oksanen, Elina" uniqKey="Oksanen E" first="Elina" last="Oksanen">Elina Oksanen</name></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Betula (drug effects)</term><term>Betula (growth & development)</term><term>Betula (metabolism)</term><term>Carbon (metabolism)</term><term>Carbon Sequestration (MeSH)</term><term>Climate Change (MeSH)</term><term>Hot Temperature (MeSH)</term><term>Nitrogen (metabolism)</term><term>Ozone (pharmacology)</term><term>Photosynthesis (drug effects)</term><term>Plant Leaves (drug effects)</term><term>Plant Leaves (metabolism)</term><term>Plant Stomata (drug effects)</term><term>Populus (drug effects)</term><term>Populus (growth & development)</term><term>Populus (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Azote (métabolisme)</term><term>Betula (croissance et développement)</term><term>Betula (effets des médicaments et des substances chimiques)</term><term>Betula (métabolisme)</term><term>Carbone (métabolisme)</term><term>Changement climatique (MeSH)</term><term>Feuilles de plante (effets des médicaments et des substances chimiques)</term><term>Feuilles de plante (métabolisme)</term><term>Ozone (pharmacologie)</term><term>Photosynthèse (effets des médicaments et des substances chimiques)</term><term>Populus (croissance et développement)</term><term>Populus (effets des médicaments et des substances chimiques)</term><term>Populus (métabolisme)</term><term>Stomates de plante (effets des médicaments et des substances chimiques)</term><term>Séquestration du carbone (MeSH)</term><term>Température élevée (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon</term><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Betula</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Betula</term><term>Photosynthesis</term><term>Plant Leaves</term><term>Plant Stomata</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Betula</term><term>Feuilles de plante</term><term>Photosynthèse</term><term>Populus</term><term>Stomates de plante</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Betula</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Betula</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term><term>Betula</term><term>Carbone</term><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Ozone</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Ozone</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Carbon Sequestration</term><term>Climate Change</term><term>Hot Temperature</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Changement climatique</term><term>Séquestration du carbone</term><term>Température élevée</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Rising temperature and tropospheric ozone (O(3)) concentrations are likely to affect carbon assimilation processes and thus the carbon sink strength of trees. In this study, we investigated the joint action of elevated ozone and temperature on silver birch (Betula pendula) and European aspen (Populus tremula) saplings in field conditions by combining free-air ozone exposure (1.2 × ambient) and infrared heaters (ambient +1.2 °C). At leaf level measurements, elevated ozone decreased leaf net photosynthesis (P(n)), while the response to elevated temperature was dependent on leaf position within the foliage. This indicates that leaf position has to be taken into account when leaf level data are collected and applied. The ozone effect on P(n) was partly compensated for at elevated temperature, showing an interactive effect of the treatments. In addition, the ratio of photosynthesis to stomatal conductance (P(n)/g(s) ratio) was decreased by ozone, which suggests decreasing water use efficiency. At the plant level, the increasing leaf area at elevated temperature resulted in a considerable increase in photosynthesis and growth in both species.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21856655</PMID><DateCompleted><Year>2011</Year><Month>12</Month><Day>27</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>31</Volume><Issue>8</Issue><PubDate><Year>2011</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Vertical profiles reveal impact of ozone and temperature on carbon assimilation of Betula pendula and Populus tremula.</ArticleTitle><Pagination><MedlinePgn>808-18</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpr075</ELocationID><Abstract><AbstractText>Rising temperature and tropospheric ozone (O(3)) concentrations are likely to affect carbon assimilation processes and thus the carbon sink strength of trees. In this study, we investigated the joint action of elevated ozone and temperature on silver birch (Betula pendula) and European aspen (Populus tremula) saplings in field conditions by combining free-air ozone exposure (1.2 × ambient) and infrared heaters (ambient +1.2 °C). At leaf level measurements, elevated ozone decreased leaf net photosynthesis (P(n)), while the response to elevated temperature was dependent on leaf position within the foliage. This indicates that leaf position has to be taken into account when leaf level data are collected and applied. The ozone effect on P(n) was partly compensated for at elevated temperature, showing an interactive effect of the treatments. In addition, the ratio of photosynthesis to stomatal conductance (P(n)/g(s) ratio) was decreased by ozone, which suggests decreasing water use efficiency. At the plant level, the increasing leaf area at elevated temperature resulted in a considerable increase in photosynthesis and growth in both species.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mäenpää</LastName><ForeName>Maarit</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Biology, University of Eastern Finland, PO Box 111, FI-80101 Joensuu, Finland. maarit.maenpaa@uef.fi</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Riikonen</LastName><ForeName>Johanna</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Kontunen-Soppela</LastName><ForeName>Sari</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Rousi</LastName><ForeName>Matti</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Oksanen</LastName><ForeName>Elina</ForeName><Initials>E</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2011</Year><Month>08</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>66H7ZZK23N</RegistryNumber><NameOfSubstance UI="D010126">Ozone</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D029662" MajorTopicYN="N">Betula</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug 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MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054046" MajorTopicYN="N">Plant Stomata</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>8</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>8</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>12</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21856655</ArticleId><ArticleId IdType="pii">tpr075</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpr075</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Finlande</li></country></list><tree><noCountry><name sortKey="Kontunen Soppela, Sari" sort="Kontunen Soppela, Sari" uniqKey="Kontunen Soppela S" first="Sari" last="Kontunen-Soppela">Sari Kontunen-Soppela</name><name sortKey="Oksanen, Elina" sort="Oksanen, Elina" uniqKey="Oksanen E" first="Elina" last="Oksanen">Elina Oksanen</name><name sortKey="Riikonen, Johanna" sort="Riikonen, Johanna" uniqKey="Riikonen J" first="Johanna" last="Riikonen">Johanna Riikonen</name><name sortKey="Rousi, Matti" sort="Rousi, Matti" uniqKey="Rousi M" first="Matti" last="Rousi">Matti Rousi</name></noCountry><country name="Finlande"><noRegion><name sortKey="M Enp, Maarit" sort="M Enp, Maarit" uniqKey="M Enp M" first="Maarit" last="M Enp">Maarit M Enp</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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