Quantifying the effect of nitrogen-induced physiological and structural changes on poplar growth using a carbon-balance model.
Identifieur interne : 002D41 ( Main/Exploration ); précédent : 002D40; suivant : 002D42Quantifying the effect of nitrogen-induced physiological and structural changes on poplar growth using a carbon-balance model.
Auteurs : Lluís Coll [Espagne] ; Robert Schneider ; Frank Berninger ; Susy Domenicano ; Christian MessierSource :
- Tree physiology [ 1758-4469 ] ; 2011.
Descripteurs français
- KwdFr :
- Azote (métabolisme), Canada (MeSH), Carbone (métabolisme), Chimère (croissance et développement), Chimère (physiologie), Consommation d'oxygène (MeSH), Facteurs temps (MeSH), Feuilles de plante (croissance et développement), Feuilles de plante (physiologie), Lumière (MeSH), Modèles biologiques (MeSH), Photosynthèse (MeSH), Populus (croissance et développement), Populus (physiologie), Pousses de plante (croissance et développement), Pousses de plante (physiologie), Racines de plante (croissance et développement), Racines de plante (physiologie), Simulation numérique (MeSH).
- MESH :
- croissance et développement : Chimère, Feuilles de plante, Populus, Pousses de plante, Racines de plante.
- métabolisme : Azote, Carbone.
- physiologie : Chimère, Feuilles de plante, Populus, Pousses de plante, Racines de plante.
- Canada, Consommation d'oxygène, Facteurs temps, Lumière, Modèles biologiques, Photosynthèse, Simulation numérique.
- Wicri :
- geographic : Canada.
English descriptors
- KwdEn :
- Canada (MeSH), Carbon (metabolism), Chimera (growth & development), Chimera (physiology), Computer Simulation (MeSH), Light (MeSH), Models, Biological (MeSH), Nitrogen (metabolism), Oxygen Consumption (MeSH), Photosynthesis (MeSH), Plant Leaves (growth & development), Plant Leaves (physiology), Plant Roots (growth & development), Plant Roots (physiology), Plant Shoots (growth & development), Plant Shoots (physiology), Populus (growth & development), Populus (physiology), Time Factors (MeSH).
- MESH :
- chemical , metabolism : Carbon, Nitrogen.
- geographic : Canada.
- growth & development : Chimera, Plant Leaves, Plant Roots, Plant Shoots, Populus.
- physiology : Chimera, Plant Leaves, Plant Roots, Plant Shoots, Populus.
- Computer Simulation, Light, Models, Biological, Oxygen Consumption, Photosynthesis, Time Factors.
Abstract
We evaluate the importance of changes in photosynthetic capacity, respiration rates, root shoot ratio, pipe model parameters and specific leaf area in the early-growth response of hybrid poplar to nitrogen availability. Juvenile growth simulations for trees with three different levels of leaf nitrogen concentration (N(leaf)) (low (1.2%), medium (2.4%) and high (3.6%)) were conducted with the carbon-balance model CROBAS. Five-year growth simulations showed the diameter and height of poplar trees to be, respectively, four and three times larger in plants with 2.4% N(leaf) compared with those with 1.2% N(leaf). Increasing N(leaf) from 2.4 to 3.6% resulted in 34 and 16% higher diameter and height growth of trees. According to the model, changes in the photosynthetic capacity accounted for most of the differences in growth between trees with different levels of N(leaf); the other parameters were much less influential. This suggests that in fast-growing early-successional broadleaved species such as poplars, physiological rather than allocational and morphological traits predominate in determining growth, at least under non-limiting light conditions.
DOI: 10.1093/treephys/tpr013
PubMed: 21498406
Affiliations:
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uniqKey="Berninger F" first="Frank" last="Berninger">Frank Berninger</name></author><author><name sortKey="Domenicano, Susy" sort="Domenicano, Susy" uniqKey="Domenicano S" first="Susy" last="Domenicano">Susy Domenicano</name></author><author><name sortKey="Messier, Christian" sort="Messier, Christian" uniqKey="Messier C" first="Christian" last="Messier">Christian Messier</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21498406</idno><idno type="pmid">21498406</idno><idno type="doi">10.1093/treephys/tpr013</idno><idno type="wicri:Area/Main/Corpus">002E43</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002E43</idno><idno type="wicri:Area/Main/Curation">002E43</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002E43</idno><idno 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xml:lang="fr"><term>Canada</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We evaluate the importance of changes in photosynthetic capacity, respiration rates, root shoot ratio, pipe model parameters and specific leaf area in the early-growth response of hybrid poplar to nitrogen availability. Juvenile growth simulations for trees with three different levels of leaf nitrogen concentration (N(leaf)) (low (1.2%), medium (2.4%) and high (3.6%)) were conducted with the carbon-balance model CROBAS. Five-year growth simulations showed the diameter and height of poplar trees to be, respectively, four and three times larger in plants with 2.4% N(leaf) compared with those with 1.2% N(leaf). Increasing N(leaf) from 2.4 to 3.6% resulted in 34 and 16% higher diameter and height growth of trees. According to the model, changes in the photosynthetic capacity accounted for most of the differences in growth between trees with different levels of N(leaf); the other parameters were much less influential. This suggests that in fast-growing early-successional broadleaved species such as poplars, physiological rather than allocational and morphological traits predominate in determining growth, at least under non-limiting light conditions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21498406</PMID><DateCompleted><Year>2012</Year><Month>06</Month><Day>28</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>4</Issue><PubDate><Year>2011</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Quantifying the effect of nitrogen-induced physiological and structural changes on poplar growth using a carbon-balance model.</ArticleTitle><Pagination><MedlinePgn>381-90</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpr013</ELocationID><Abstract><AbstractText>We evaluate the importance of changes in photosynthetic capacity, respiration rates, root shoot ratio, pipe model parameters and specific leaf area in the early-growth response of hybrid poplar to nitrogen availability. Juvenile growth simulations for trees with three different levels of leaf nitrogen concentration (N(leaf)) (low (1.2%), medium (2.4%) and high (3.6%)) were conducted with the carbon-balance model CROBAS. Five-year growth simulations showed the diameter and height of poplar trees to be, respectively, four and three times larger in plants with 2.4% N(leaf) compared with those with 1.2% N(leaf). Increasing N(leaf) from 2.4 to 3.6% resulted in 34 and 16% higher diameter and height growth of trees. According to the model, changes in the photosynthetic capacity accounted for most of the differences in growth between trees with different levels of N(leaf); the other parameters were much less influential. This suggests that in fast-growing early-successional broadleaved species such as poplars, physiological rather than allocational and morphological traits predominate in determining growth, at least under non-limiting light conditions.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Coll</LastName><ForeName>Lluís</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Centre Tecnològic Forestal de Catalunya (CTFC), Ctra Sant Llorenç de Morunys km. 2, 25280 Solsona, Spain. lluis.coll@ctfc.cat</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schneider</LastName><ForeName>Robert</ForeName><Initials>R</Initials></Author><Author ValidYN="Y"><LastName>Berninger</LastName><ForeName>Frank</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Domenicano</LastName><ForeName>Susy</ForeName><Initials>S</Initials></Author><Author 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MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>4</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>4</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>6</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21498406</ArticleId><ArticleId IdType="pii">tpr013</ArticleId><ArticleId 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