Links to Exploration step
Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Tree girdling responses simulated by a water and carbon transport model</title><author><name sortKey="De Schepper, Veerle" sort="De Schepper, Veerle" uniqKey="De Schepper V" first="Veerle" last="De Schepper">Veerle De Schepper</name></author><author><name sortKey="Steppe, Kathy" sort="Steppe, Kathy" uniqKey="Steppe K" first="Kathy" last="Steppe">Kathy Steppe</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21478174</idno><idno type="pmc">3189833</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3189833</idno><idno type="RBID">PMC:3189833</idno><idno type="doi">10.1093/aob/mcr068</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">000140</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000140</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Tree girdling responses simulated by a water and carbon transport model</title><author><name sortKey="De Schepper, Veerle" sort="De Schepper, Veerle" uniqKey="De Schepper V" first="Veerle" last="De Schepper">Veerle De Schepper</name></author><author><name sortKey="Steppe, Kathy" sort="Steppe, Kathy" uniqKey="Steppe K" first="Kathy" last="Steppe">Kathy Steppe</name></author></analytic><series><title level="j">Annals of Botany</title><idno type="ISSN">0305-7364</idno><idno type="eISSN">1095-8290</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background and Aims</title><p>Girdling, or the removal of a strip of bark around a tree's outer circumference, is often used to study carbon relationships, as it triggers several carbon responses which seem to be interrelated.</p></sec><sec><title>Methods</title><p>An existing plant model describing water and carbon transport in a tree was used to evaluate the mechanisms behind the girdling responses. Therefore, the (un)loading functions of the original model were adapted and became a function of the phloem turgor pressure.</p></sec><sec><title>Key Results</title><p>The adapted model successfully simulated the measured changes in stem growth induced by girdling. The model indicated that the key driving variables for the girdling responses were changes in turgor pressure due to local changes in sugar concentrations. Information about the local damage to the phloem system was transferred to the other plant parts (crown and roots) by a change in phloem pressure. After girdling, the loading rate was affected and corresponded to the experimentally observed feedback inhibition. In addition, the unloading rate decreased after girdling and even reversed in some instances. The model enabled continuous simulation of changes in starch content, although a slight underestimation was observed compared with measured values.</p></sec><sec><title>Conclusions</title><p>For the first time a mechanistic plant model enabled simulation of tree girdling responses, which have thus far only been experimentally observed and fragmentally reported in literature. The close agreement between measured and simulated data confirms the underlying mechanisms introduced in the model.</p></sec></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Ann Bot</journal-id><journal-id journal-id-type="publisher-id">annbot</journal-id><journal-id journal-id-type="hwp">annbot</journal-id><journal-title-group><journal-title>Annals of Botany</journal-title></journal-title-group><issn pub-type="ppub">0305-7364</issn><issn pub-type="epub">1095-8290</issn><publisher><publisher-name>Oxford University Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">21478174</article-id><article-id pub-id-type="pmc">3189833</article-id><article-id pub-id-type="doi">10.1093/aob/mcr068</article-id><article-id pub-id-type="publisher-id">mcr068</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Articles</subject></subj-group></article-categories><title-group><article-title>Tree girdling responses simulated by a water and carbon transport model</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>De Schepper</surname><given-names>Veerle</given-names></name><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>Steppe</surname><given-names>Kathy</given-names></name></contrib></contrib-group><aff><addr-line>Laboratory of Plant Ecology, Department of Applied Ecology and Environmental Biology, Faculty of Bioscience Engineering, Ghent University, Coupure links 653, B-9000 Ghent, Belgium</addr-line></aff><author-notes><corresp id="cor1"><label>*</label>For correspondence. E-mail <email>Veerle.DeSchepper@UGent.be</email></corresp></author-notes><pub-date pub-type="ppub"><month>10</month><year>2011</year></pub-date><pub-date pub-type="epub"><day>7</day><month>4</month><year>2011</year></pub-date><volume>108</volume><issue>6</issue><issue-title>Special Issue: Functional–Structural Plant Modelling</issue-title><fpage>1147</fpage><lpage>1154</lpage><history><date date-type="received"><day>26</day><month>12</month><year>2010</year></date><date date-type="rev-request"><day>26</day><month>1</month><year>2011</year></date><date date-type="accepted"><day>10</day><month>2</month><year>2011</year></date></history><permissions><copyright-statement>© The Author 2011. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oup.com</copyright-statement><copyright-year>2011</copyright-year></permissions><self-uri content-type="pdf" xlink:type="simple" xlink:href="mcr068.pdf"></self-uri><abstract><sec><title>Background and Aims</title><p>Girdling, or the removal of a strip of bark around a tree's outer circumference, is often used to study carbon relationships, as it triggers several carbon responses which seem to be interrelated.</p></sec><sec><title>Methods</title><p>An existing plant model describing water and carbon transport in a tree was used to evaluate the mechanisms behind the girdling responses. Therefore, the (un)loading functions of the original model were adapted and became a function of the phloem turgor pressure.</p></sec><sec><title>Key Results</title><p>The adapted model successfully simulated the measured changes in stem growth induced by girdling. The model indicated that the key driving variables for the girdling responses were changes in turgor pressure due to local changes in sugar concentrations. Information about the local damage to the phloem system was transferred to the other plant parts (crown and roots) by a change in phloem pressure. After girdling, the loading rate was affected and corresponded to the experimentally observed feedback inhibition. In addition, the unloading rate decreased after girdling and even reversed in some instances. The model enabled continuous simulation of changes in starch content, although a slight underestimation was observed compared with measured values.</p></sec><sec><title>Conclusions</title><p>For the first time a mechanistic plant model enabled simulation of tree girdling responses, which have thus far only been experimentally observed and fragmentally reported in literature. The close agreement between measured and simulated data confirms the underlying mechanisms introduced in the model.</p></sec></abstract><kwd-group><kwd>Feedback inhibition</kwd><kwd>girdling</kwd><kwd>loading</kwd><kwd>mechanistic plant modelling</kwd><kwd>phloem turgor</kwd><kwd>photosynthesis</kwd><kwd><italic>Quercus robur</italic> L.</kwd><kwd>stem diameter variations</kwd><kwd>transport model</kwd><kwd>unloading</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Bois/explor/CheneBelgiqueV1/Data/Pmc/Corpus
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 0001401 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Pmc/Corpus/biblio.hfd -nk 0001401 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Wicri/Bois
|area= CheneBelgiqueV1
|flux= Pmc
|étape= Corpus
|type= RBID
|clé=
|texte=
}}
| This area was generated with Dilib version V0.6.27. |  |