Canopy profiles of photosynthetic parameters under elevated CO2 and N fertilization in a poplar plantation.
Identifieur interne : 004096 ( Main/Exploration ); précédent : 004095; suivant : 004097Canopy profiles of photosynthetic parameters under elevated CO2 and N fertilization in a poplar plantation.
Auteurs : Carlo Calfapietra [Italie] ; Ingmar Tulva ; Eve Eensalu ; Marta Perez ; Paolo De Angelis ; Giuseppe Scarascia-Mugnozza ; Olevi KullSource :
- Environmental pollution (Barking, Essex : 1987) [ 0269-7491 ] ; 2005.
Descripteurs français
- KwdFr :
- Acclimatation (MeSH), Azote (pharmacologie), Dioxyde de carbone (pharmacologie), Engrais (MeSH), Feuilles de plante (effets des médicaments et des substances chimiques), Feuilles de plante (physiologie), Italie (MeSH), Photosynthèse (MeSH), Populus (physiologie), Saisons (MeSH), Transpiration des plantes (MeSH), Écologie (méthodes).
- MESH :
- effets des médicaments et des substances chimiques : Feuilles de plante.
- méthodes : Écologie.
- pharmacologie : Azote, Dioxyde de carbone.
- physiologie : Feuilles de plante, Populus.
- Acclimatation, Engrais, Italie, Photosynthèse, Saisons, Transpiration des plantes.
- Wicri :
- geographic : Italie.
English descriptors
- KwdEn :
- MESH :
- chemical , pharmacology : Carbon Dioxide, Nitrogen.
- geographic : Italy.
- drug effects : Plant Leaves.
- methods : Ecology.
- physiology : Plant Leaves, Populus.
- Acclimatization, Fertilizers, Photosynthesis, Plant Transpiration, Seasons.
Abstract
A poplar plantation has been exposed to an elevated CO2 concentration for 5 years using the free air CO2 enrichment (FACE) technique. Even after such a long period of exposure, leaves of Populus x euramericana have not shown clear signs of photosynthetic acclimation. Only at the end of the growing season for shade leaves was a decrease of maximum velocity of carboxylation (Vcmax) observed. Maximum electron transport rate (Jmax) was increased by FACE treatment in July. Assimilation rates at CO2 partial pressure of 400 (A400) and 600 (A600) micromol mol(-1) were not significantly different under FACE treatment. Most notably FACE significantly decreased stomatal conductance (g(s)) both on upper and lower canopy leaves. N fertilization increased N content in the leaves on mass basis (Nm) and specific leaf area (SLA) in both CO2 treatments but did not influence the photosynthetic parameters. These data show that in poplar plantations the long-term effects of elevated CO2 on photosynthesis do not differ considerably from the short-term ones even with N deposition.
DOI: 10.1016/j.envpol.2005.01.038
PubMed: 16005764
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Camillo de Lellis snc, I-01100 Viterbo, Italy. carlocalf@unitus.it</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Forest Environment and Resources, University of Tuscia, Via S. Camillo de Lellis snc, I-01100 Viterbo</wicri:regionArea><wicri:noRegion>I-01100 Viterbo</wicri:noRegion></affiliation></author><author><name sortKey="Tulva, Ingmar" sort="Tulva, Ingmar" uniqKey="Tulva I" first="Ingmar" last="Tulva">Ingmar Tulva</name></author><author><name sortKey="Eensalu, Eve" sort="Eensalu, Eve" uniqKey="Eensalu E" first="Eve" last="Eensalu">Eve Eensalu</name></author><author><name sortKey="Perez, Marta" sort="Perez, Marta" uniqKey="Perez M" first="Marta" last="Perez">Marta Perez</name></author><author><name sortKey="De Angelis, Paolo" sort="De Angelis, Paolo" uniqKey="De Angelis P" first="Paolo" last="De Angelis">Paolo De Angelis</name></author><author><name sortKey="Scarascia Mugnozza, Giuseppe" sort="Scarascia Mugnozza, Giuseppe" uniqKey="Scarascia Mugnozza G" first="Giuseppe" last="Scarascia-Mugnozza">Giuseppe Scarascia-Mugnozza</name></author><author><name sortKey="Kull, Olevi" sort="Kull, Olevi" uniqKey="Kull O" first="Olevi" last="Kull">Olevi Kull</name></author></analytic><series><title level="j">Environmental pollution (Barking, Essex : 1987)</title><idno type="ISSN">0269-7491</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acclimatization (MeSH)</term><term>Carbon Dioxide (pharmacology)</term><term>Ecology (methods)</term><term>Fertilizers (MeSH)</term><term>Italy (MeSH)</term><term>Nitrogen (pharmacology)</term><term>Photosynthesis (MeSH)</term><term>Plant Leaves (drug effects)</term><term>Plant Leaves (physiology)</term><term>Plant Transpiration (MeSH)</term><term>Populus (physiology)</term><term>Seasons (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acclimatation (MeSH)</term><term>Azote (pharmacologie)</term><term>Dioxyde de carbone (pharmacologie)</term><term>Engrais (MeSH)</term><term>Feuilles de plante (effets des médicaments et des substances chimiques)</term><term>Feuilles de plante (physiologie)</term><term>Italie (MeSH)</term><term>Photosynthèse (MeSH)</term><term>Populus (physiologie)</term><term>Saisons (MeSH)</term><term>Transpiration des plantes (MeSH)</term><term>Écologie (méthodes)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Carbon Dioxide</term><term>Nitrogen</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Italy</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Feuilles de plante</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Ecology</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Écologie</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Azote</term><term>Dioxyde de carbone</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Acclimatization</term><term>Fertilizers</term><term>Photosynthesis</term><term>Plant Transpiration</term><term>Seasons</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Acclimatation</term><term>Engrais</term><term>Italie</term><term>Photosynthèse</term><term>Saisons</term><term>Transpiration des plantes</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Italie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A poplar plantation has been exposed to an elevated CO2 concentration for 5 years using the free air CO2 enrichment (FACE) technique. Even after such a long period of exposure, leaves of Populus x euramericana have not shown clear signs of photosynthetic acclimation. Only at the end of the growing season for shade leaves was a decrease of maximum velocity of carboxylation (Vcmax) observed. Maximum electron transport rate (Jmax) was increased by FACE treatment in July. Assimilation rates at CO2 partial pressure of 400 (A400) and 600 (A600) micromol mol(-1) were not significantly different under FACE treatment. Most notably FACE significantly decreased stomatal conductance (g(s)) both on upper and lower canopy leaves. N fertilization increased N content in the leaves on mass basis (Nm) and specific leaf area (SLA) in both CO2 treatments but did not influence the photosynthetic parameters. These data show that in poplar plantations the long-term effects of elevated CO2 on photosynthesis do not differ considerably from the short-term ones even with N deposition.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16005764</PMID><DateCompleted><Year>2005</Year><Month>12</Month><Day>22</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0269-7491</ISSN><JournalIssue CitedMedium="Print"><Volume>137</Volume><Issue>3</Issue><PubDate><Year>2005</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Canopy profiles of photosynthetic parameters under elevated CO2 and N fertilization in a poplar plantation.</ArticleTitle><Pagination><MedlinePgn>525-35</MedlinePgn></Pagination><Abstract><AbstractText>A poplar plantation has been exposed to an elevated CO2 concentration for 5 years using the free air CO2 enrichment (FACE) technique. Even after such a long period of exposure, leaves of Populus x euramericana have not shown clear signs of photosynthetic acclimation. Only at the end of the growing season for shade leaves was a decrease of maximum velocity of carboxylation (Vcmax) observed. Maximum electron transport rate (Jmax) was increased by FACE treatment in July. Assimilation rates at CO2 partial pressure of 400 (A400) and 600 (A600) micromol mol(-1) were not significantly different under FACE treatment. Most notably FACE significantly decreased stomatal conductance (g(s)) both on upper and lower canopy leaves. N fertilization increased N content in the leaves on mass basis (Nm) and specific leaf area (SLA) in both CO2 treatments but did not influence the photosynthetic parameters. These data show that in poplar plantations the long-term effects of elevated CO2 on photosynthesis do not differ considerably from the short-term ones even with N deposition.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Calfapietra</LastName><ForeName>Carlo</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Forest Environment and Resources, University of Tuscia, Via S. 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Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Environ Pollut</MedlineTA><NlmUniqueID>8804476</NlmUniqueID><ISSNLinking>0269-7491</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005308">Fertilizers</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000064" MajorTopicYN="Y">Acclimatization</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004463" MajorTopicYN="N">Ecology</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005308" MajorTopicYN="N">Fertilizers</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007558" MajorTopicYN="N" Type="Geographic">Italy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="Y">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018526" MajorTopicYN="N">Plant Transpiration</DescriptorName></MeshHeading><MeshHeading><DescriptorName 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IdType="pubmed">16005764</ArticleId><ArticleId IdType="pii">S0269-7491(05)00126-0</ArticleId><ArticleId IdType="doi">10.1016/j.envpol.2005.01.038</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Italie</li></country></list><tree><noCountry><name sortKey="De Angelis, Paolo" sort="De Angelis, Paolo" uniqKey="De Angelis P" first="Paolo" last="De Angelis">Paolo De Angelis</name><name sortKey="Eensalu, Eve" sort="Eensalu, Eve" uniqKey="Eensalu E" first="Eve" last="Eensalu">Eve Eensalu</name><name sortKey="Kull, Olevi" sort="Kull, Olevi" uniqKey="Kull O" first="Olevi" last="Kull">Olevi Kull</name><name sortKey="Perez, Marta" sort="Perez, Marta" uniqKey="Perez M" first="Marta" last="Perez">Marta Perez</name><name sortKey="Scarascia Mugnozza, Giuseppe" sort="Scarascia Mugnozza, Giuseppe" uniqKey="Scarascia Mugnozza G" first="Giuseppe" last="Scarascia-Mugnozza">Giuseppe Scarascia-Mugnozza</name><name sortKey="Tulva, Ingmar" sort="Tulva, Ingmar" uniqKey="Tulva I" first="Ingmar" last="Tulva">Ingmar Tulva</name></noCountry><country name="Italie"><noRegion><name sortKey="Calfapietra, Carlo" sort="Calfapietra, Carlo" uniqKey="Calfapietra C" first="Carlo" last="Calfapietra">Carlo Calfapietra</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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