An interregional validation of ECOPHYS, a growth process model of juvenile poplar clones.
Identifieur interne : 004B10 ( Main/Exploration ); précédent : 004B09; suivant : 004B11An interregional validation of ECOPHYS, a growth process model of juvenile poplar clones.
Auteurs : George E. Host [États-Unis] ; J. G. IsebrandsSource :
- Tree physiology [ 1758-4469 ]
Abstract
Field data from poplar plantations in Michigan, Washington, and Wisconsin were used to validate ECOPHYS, a whole-tree growth process model for juvenile poplar. Five clones representing a range of morphological, phenological, and physiological characteristics were planted on the same date at the three sites. Height and diameter measurements were made monthly on 20 trees per clone, and intensive morphological measurements were made every two weeks on two trees per clone. Hourly solar radiation and temperature data were recorded at each site over the growing season. The model was run for each clone x site combination with the weather data and clonal parameters as inputs. A repeated measures ANOVA indicated that there were significant differences in height growth patterns among both clones and sites, as well as significant clone x site interactions. The model generally predicted height growth within a standard deviation of the field plantation means; three of the 15 clone x site simulations were significantly different from the plantation means. The median error between predicted and observed values was 5%. Evaluation of the clonal parameters showed that differences in photosynthetic rates, morphological attributes such as specific leaf area, and timing of budset are primary factors leading to differences in growth.
DOI: 10.1093/treephys/14.7-8-9.933
PubMed: 14967660
Affiliations:
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Isebrands</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1994">1994 Jul-Sep</date><idno type="RBID">pubmed:14967660</idno><idno type="pmid">14967660</idno><idno type="doi">10.1093/treephys/14.7-8-9.933</idno><idno type="wicri:Area/Main/Corpus">004B31</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004B31</idno><idno type="wicri:Area/Main/Curation">004B31</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004B31</idno><idno type="wicri:Area/Main/Exploration">004B31</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">An interregional validation of ECOPHYS, a growth process model of juvenile poplar clones.</title><author><name sortKey="Host, George E" sort="Host, George E" uniqKey="Host G" first="George E." last="Host">George E. Host</name><affiliation wicri:level="2"><nlm:affiliation>Natural Resources Research Institute, University of Minnesota, 5013 Miller Trunk Hwy, Duluth, MN 55811, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Natural Resources Research Institute, University of Minnesota, 5013 Miller Trunk Hwy, Duluth, MN 55811</wicri:regionArea><placeName><region type="state">Minnesota</region></placeName></affiliation></author><author><name sortKey="Isebrands, J G" sort="Isebrands, J G" uniqKey="Isebrands J" first="J. G." last="Isebrands">J. G. Isebrands</name></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Field data from poplar plantations in Michigan, Washington, and Wisconsin were used to validate ECOPHYS, a whole-tree growth process model for juvenile poplar. Five clones representing a range of morphological, phenological, and physiological characteristics were planted on the same date at the three sites. Height and diameter measurements were made monthly on 20 trees per clone, and intensive morphological measurements were made every two weeks on two trees per clone. Hourly solar radiation and temperature data were recorded at each site over the growing season. The model was run for each clone x site combination with the weather data and clonal parameters as inputs. A repeated measures ANOVA indicated that there were significant differences in height growth patterns among both clones and sites, as well as significant clone x site interactions. The model generally predicted height growth within a standard deviation of the field plantation means; three of the 15 clone x site simulations were significantly different from the plantation means. The median error between predicted and observed values was 5%. Evaluation of the clonal parameters showed that differences in photosynthetic rates, morphological attributes such as specific leaf area, and timing of budset are primary factors leading to differences in growth.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">14967660</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>14</Volume><Issue>7_9</Issue><PubDate><MedlineDate>1994 Jul-Sep</MedlineDate></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>An interregional validation of ECOPHYS, a growth process model of juvenile poplar clones.</ArticleTitle><Pagination><MedlinePgn>933-945</MedlinePgn></Pagination><Abstract><AbstractText>Field data from poplar plantations in Michigan, Washington, and Wisconsin were used to validate ECOPHYS, a whole-tree growth process model for juvenile poplar. Five clones representing a range of morphological, phenological, and physiological characteristics were planted on the same date at the three sites. Height and diameter measurements were made monthly on 20 trees per clone, and intensive morphological measurements were made every two weeks on two trees per clone. Hourly solar radiation and temperature data were recorded at each site over the growing season. The model was run for each clone x site combination with the weather data and clonal parameters as inputs. A repeated measures ANOVA indicated that there were significant differences in height growth patterns among both clones and sites, as well as significant clone x site interactions. The model generally predicted height growth within a standard deviation of the field plantation means; three of the 15 clone x site simulations were significantly different from the plantation means. The median error between predicted and observed values was 5%. Evaluation of the clonal parameters showed that differences in photosynthetic rates, morphological attributes such as specific leaf area, and timing of budset are primary factors leading to differences in growth.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Host</LastName><ForeName>George E.</ForeName><Initials>GE</Initials><AffiliationInfo><Affiliation>Natural Resources Research Institute, University of Minnesota, 5013 Miller Trunk Hwy, Duluth, MN 55811, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Isebrands</LastName><ForeName>J. G.</ForeName><Initials>JG</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1994</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1994</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1994</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">14967660</ArticleId><ArticleId IdType="doi">10.1093/treephys/14.7-8-9.933</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Minnesota</li></region></list><tree><noCountry><name sortKey="Isebrands, J G" sort="Isebrands, J G" uniqKey="Isebrands J" first="J. G." last="Isebrands">J. G. Isebrands</name></noCountry><country name="États-Unis"><region name="Minnesota"><name sortKey="Host, George E" sort="Host, George E" uniqKey="Host G" first="George E." last="Host">George E. Host</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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