Within-individual variation of trunk and branch xylem density in tropical trees
Premise of the study : Wood density correlates with mechanical and physiological strategies of trees and is important for estimating global carbon stocks. Nonetheless, the relationship between branch and trunk xylem density has been poorly explored in neotropical trees. Here, we examine this relationship in trees from French Guiana and its variation among different families and sites, to improve the understanding of wood density in neotropical forests. o Methods : Trunk and branch xylem densities were measured for 1909 trees in seven sites across French Guiana. A major-axis fi t was performed to explore their general allometric relationship and its variation among different families and sites. o Key results : Trunk xylem and branch xylem densities were signifi cantly positively correlated, and their relationship explained 47% of the total variance. Trunk xylem was on average 9% denser than branch xylem. Family-level differences and interactions between family and site accounted for more than 40% of the total variance, whereas differences among sites explained little variation. o Conclusions : Variation in xylem density within individual trees can be substantial, and the relationship between branch xylem and trunk xylem densities varies considerably among families and sites. As such, whole-tree biomass estimates based on nondestructive branch sampling should correct for both taxonomic and environmental factors. Furthermore, detailed estimates of the vertical distribution of wood density within individual trees are needed to determine the extent to which relying solely upon measures of trunk wood density may cause carbon stocks in tropical forests to be overestimated.
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dig-cirad-fr-5629712024-01-28T20:01:27Z http://agritrop.cirad.fr/562971/ http://agritrop.cirad.fr/562971/ Within-individual variation of trunk and branch xylem density in tropical trees. Sarmiento Carolina, Patiño Sandra, Paine C. E. Timothy, Beauchêne Jacques, Thibaut Anne, Baraloto Christopher. 2011. American Journal of Botany, 98 (1) : 140-149.https://doi.org/10.3732/ajb.1000034 <https://doi.org/10.3732/ajb.1000034> Within-individual variation of trunk and branch xylem density in tropical trees Sarmiento, Carolina Patiño, Sandra Paine, C. E. Timothy Beauchêne, Jacques Thibaut, Anne Baraloto, Christopher eng 2011 American Journal of Botany F50 - Anatomie et morphologie des plantes F62 - Physiologie végétale - Croissance et développement K01 - Foresterie - Considérations générales bois xylème densité arbre forestier forêt tropicale humide branche tronc carbone séquestration du carbone bois tropical http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_8471 http://aims.fao.org/aos/agrovoc/c_2186 http://aims.fao.org/aos/agrovoc/c_3052 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_23995 http://aims.fao.org/aos/agrovoc/c_15017 http://aims.fao.org/aos/agrovoc/c_1301 http://aims.fao.org/aos/agrovoc/c_331583 http://aims.fao.org/aos/agrovoc/c_293007aa Guyane française France http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 Premise of the study : Wood density correlates with mechanical and physiological strategies of trees and is important for estimating global carbon stocks. Nonetheless, the relationship between branch and trunk xylem density has been poorly explored in neotropical trees. Here, we examine this relationship in trees from French Guiana and its variation among different families and sites, to improve the understanding of wood density in neotropical forests. o Methods : Trunk and branch xylem densities were measured for 1909 trees in seven sites across French Guiana. A major-axis fi t was performed to explore their general allometric relationship and its variation among different families and sites. o Key results : Trunk xylem and branch xylem densities were signifi cantly positively correlated, and their relationship explained 47% of the total variance. Trunk xylem was on average 9% denser than branch xylem. Family-level differences and interactions between family and site accounted for more than 40% of the total variance, whereas differences among sites explained little variation. o Conclusions : Variation in xylem density within individual trees can be substantial, and the relationship between branch xylem and trunk xylem densities varies considerably among families and sites. As such, whole-tree biomass estimates based on nondestructive branch sampling should correct for both taxonomic and environmental factors. Furthermore, detailed estimates of the vertical distribution of wood density within individual trees are needed to determine the extent to which relying solely upon measures of trunk wood density may cause carbon stocks in tropical forests to be overestimated. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/562971/1/document_562971.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.3732/ajb.1000034 10.3732/ajb.1000034 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=213814 info:eu-repo/semantics/altIdentifier/doi/10.3732/ajb.1000034 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.3732/ajb.1000034 |
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Francia |
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Biblioteca del CIRAD Francia |
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eng |
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F50 - Anatomie et morphologie des plantes F62 - Physiologie végétale - Croissance et développement K01 - Foresterie - Considérations générales bois xylème densité arbre forestier forêt tropicale humide branche tronc carbone séquestration du carbone bois tropical http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_8471 http://aims.fao.org/aos/agrovoc/c_2186 http://aims.fao.org/aos/agrovoc/c_3052 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_23995 http://aims.fao.org/aos/agrovoc/c_15017 http://aims.fao.org/aos/agrovoc/c_1301 http://aims.fao.org/aos/agrovoc/c_331583 http://aims.fao.org/aos/agrovoc/c_293007aa http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 F50 - Anatomie et morphologie des plantes F62 - Physiologie végétale - Croissance et développement K01 - Foresterie - Considérations générales bois xylème densité arbre forestier forêt tropicale humide branche tronc carbone séquestration du carbone bois tropical http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_8471 http://aims.fao.org/aos/agrovoc/c_2186 http://aims.fao.org/aos/agrovoc/c_3052 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_23995 http://aims.fao.org/aos/agrovoc/c_15017 http://aims.fao.org/aos/agrovoc/c_1301 http://aims.fao.org/aos/agrovoc/c_331583 http://aims.fao.org/aos/agrovoc/c_293007aa http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 |
spellingShingle |
F50 - Anatomie et morphologie des plantes F62 - Physiologie végétale - Croissance et développement K01 - Foresterie - Considérations générales bois xylème densité arbre forestier forêt tropicale humide branche tronc carbone séquestration du carbone bois tropical http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_8471 http://aims.fao.org/aos/agrovoc/c_2186 http://aims.fao.org/aos/agrovoc/c_3052 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_23995 http://aims.fao.org/aos/agrovoc/c_15017 http://aims.fao.org/aos/agrovoc/c_1301 http://aims.fao.org/aos/agrovoc/c_331583 http://aims.fao.org/aos/agrovoc/c_293007aa http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 F50 - Anatomie et morphologie des plantes F62 - Physiologie végétale - Croissance et développement K01 - Foresterie - Considérations générales bois xylème densité arbre forestier forêt tropicale humide branche tronc carbone séquestration du carbone bois tropical http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_8471 http://aims.fao.org/aos/agrovoc/c_2186 http://aims.fao.org/aos/agrovoc/c_3052 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_23995 http://aims.fao.org/aos/agrovoc/c_15017 http://aims.fao.org/aos/agrovoc/c_1301 http://aims.fao.org/aos/agrovoc/c_331583 http://aims.fao.org/aos/agrovoc/c_293007aa http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 Sarmiento, Carolina Patiño, Sandra Paine, C. E. Timothy Beauchêne, Jacques Thibaut, Anne Baraloto, Christopher Within-individual variation of trunk and branch xylem density in tropical trees |
description |
Premise of the study : Wood density correlates with mechanical and physiological strategies of trees and is important for estimating global carbon stocks. Nonetheless, the relationship between branch and trunk xylem density has been poorly explored in neotropical trees. Here, we examine this relationship in trees from French Guiana and its variation among different families and sites, to improve the understanding of wood density in neotropical forests. o Methods : Trunk and branch xylem densities were measured for 1909 trees in seven sites across French Guiana. A major-axis fi t was performed to explore their general allometric relationship and its variation among different families and sites. o Key results : Trunk xylem and branch xylem densities were signifi cantly positively correlated, and their relationship explained 47% of the total variance. Trunk xylem was on average 9% denser than branch xylem. Family-level differences and interactions between family and site accounted for more than 40% of the total variance, whereas differences among sites explained little variation. o Conclusions : Variation in xylem density within individual trees can be substantial, and the relationship between branch xylem and trunk xylem densities varies considerably among families and sites. As such, whole-tree biomass estimates based on nondestructive branch sampling should correct for both taxonomic and environmental factors. Furthermore, detailed estimates of the vertical distribution of wood density within individual trees are needed to determine the extent to which relying solely upon measures of trunk wood density may cause carbon stocks in tropical forests to be overestimated. |
format |
article |
topic_facet |
F50 - Anatomie et morphologie des plantes F62 - Physiologie végétale - Croissance et développement K01 - Foresterie - Considérations générales bois xylème densité arbre forestier forêt tropicale humide branche tronc carbone séquestration du carbone bois tropical http://aims.fao.org/aos/agrovoc/c_8421 http://aims.fao.org/aos/agrovoc/c_8471 http://aims.fao.org/aos/agrovoc/c_2186 http://aims.fao.org/aos/agrovoc/c_3052 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_23995 http://aims.fao.org/aos/agrovoc/c_15017 http://aims.fao.org/aos/agrovoc/c_1301 http://aims.fao.org/aos/agrovoc/c_331583 http://aims.fao.org/aos/agrovoc/c_293007aa http://aims.fao.org/aos/agrovoc/c_3093 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Sarmiento, Carolina Patiño, Sandra Paine, C. E. Timothy Beauchêne, Jacques Thibaut, Anne Baraloto, Christopher |
author_facet |
Sarmiento, Carolina Patiño, Sandra Paine, C. E. Timothy Beauchêne, Jacques Thibaut, Anne Baraloto, Christopher |
author_sort |
Sarmiento, Carolina |
title |
Within-individual variation of trunk and branch xylem density in tropical trees |
title_short |
Within-individual variation of trunk and branch xylem density in tropical trees |
title_full |
Within-individual variation of trunk and branch xylem density in tropical trees |
title_fullStr |
Within-individual variation of trunk and branch xylem density in tropical trees |
title_full_unstemmed |
Within-individual variation of trunk and branch xylem density in tropical trees |
title_sort |
within-individual variation of trunk and branch xylem density in tropical trees |
url |
http://agritrop.cirad.fr/562971/ http://agritrop.cirad.fr/562971/1/document_562971.pdf |
work_keys_str_mv |
AT sarmientocarolina withinindividualvariationoftrunkandbranchxylemdensityintropicaltrees AT patinosandra withinindividualvariationoftrunkandbranchxylemdensityintropicaltrees AT painecetimothy withinindividualvariationoftrunkandbranchxylemdensityintropicaltrees AT beauchenejacques withinindividualvariationoftrunkandbranchxylemdensityintropicaltrees AT thibautanne withinindividualvariationoftrunkandbranchxylemdensityintropicaltrees AT baralotochristopher withinindividualvariationoftrunkandbranchxylemdensityintropicaltrees |
_version_ |
1792498055021330432 |