Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages

The lack of secondary meristems shapes allometric relationships of the palms, infl uencing species segregation according to their capacity to adjust form and function to spatial and temporal changes in environmental conditions. We examined the stem height vs. diameter allometry of Euterpe precatoria...

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Detalhes bibliográficos
Autores: Ávalos Rodríguez, Gerardo, Fernández Otárola, Mauricio
Formato: artículo
Fecha de publicación:2010
País:Costa Rica
Recursos:Universidad de Costa Rica
Repositorio:Kérwá
Idioma:inglés
OAI Identifier:oai:kerwa.ucr.ac.cr:10669/87739
Acesso em linha:https://bsapubs.onlinelibrary.wiley.com/doi/10.3732/ajb.0900149
https://hdl.handle.net/10669/87739
Access Level:acceso embargado
Palavra-chave:Allometry
Arecaceae
COSTA RICA
Euterpe precatoria
Mechanical stability
Palm growth
Stilt root structure
Tree architecture
BIOLOGÍA
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dc.title.es_ES.fl_str_mv Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
title Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
spellingShingle Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
Ávalos Rodríguez, Gerardo
Allometry
Arecaceae
COSTA RICA
Euterpe precatoria
Mechanical stability
Palm growth
Stilt root structure
Tree architecture
BIOLOGÍA
title_short Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
title_full Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
title_fullStr Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
title_full_unstemmed Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
title_sort Allometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stages
dc.creator.none.fl_str_mv Ávalos Rodríguez, Gerardo
Fernández Otárola, Mauricio
author Ávalos Rodríguez, Gerardo
author_facet Ávalos Rodríguez, Gerardo
Fernández Otárola, Mauricio
author_role author
author2 Fernández Otárola, Mauricio
author2_role author
dc.subject.es_ES.fl_str_mv Allometry
Arecaceae
COSTA RICA
Euterpe precatoria
Mechanical stability
Palm growth
Stilt root structure
Tree architecture
BIOLOGÍA
topic Allometry
Arecaceae
COSTA RICA
Euterpe precatoria
Mechanical stability
Palm growth
Stilt root structure
Tree architecture
BIOLOGÍA
description The lack of secondary meristems shapes allometric relationships of the palms, infl uencing species segregation according to their capacity to adjust form and function to spatial and temporal changes in environmental conditions. We examined the stem height vs. diameter allometry of Euterpe precatoria across environmental gradients and measured how terrain inclination and palm size affected stilt root structure at two sites in Costa Rica. We dissected the root cone into eight variables and used principal component analysis to summarize their correlation structure. The fi t of the stem diameter – height relationship to the stress, elastic, and geometric similar- ity models was examined using data from 438 palms. Terrain inclination did not affect stilt roots, whose structure was determined by palm size. Palms under 1 m showed geometric similarity, whereas palms above 1 m had slope values that were one and a half times higher, independent of successional stage, and did not adjust to any mechanical model. Taller palms departed from these models when they were large because they had stilt root support. We conclude that height in E. precatoria is constrained by structural support at the base and that diameter at the base of the stem and stilt roots balances height increments over all the size ranges examined. Key
publishDate 2010
dc.date.issued.none.fl_str_mv 2010
dc.date.accessioned.none.fl_str_mv 2022-11-23T19:03:38Z
dc.date.available.none.fl_str_mv 2022-11-23T19:03:38Z
dc.type.es_ES.fl_str_mv artículo original
dc.type.none.fl_str_mv http://purl.org/coar/resource_type/c_2df8fbb1
info:eu-repo/semantics/article
format article
dc.identifier.citation.es_ES.fl_str_mv https://bsapubs.onlinelibrary.wiley.com/doi/10.3732/ajb.0900149
dc.identifier.issn.none.fl_str_mv 1537-2197
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/10669/87739
dc.identifier.doi.none.fl_str_mv 10.3732/ajb.0900149
dc.identifier.codproyecto.none.fl_str_mv 111-A3-129
url https://bsapubs.onlinelibrary.wiley.com/doi/10.3732/ajb.0900149
https://hdl.handle.net/10669/87739
identifier_str_mv 1537-2197
10.3732/ajb.0900149
111-A3-129
dc.language.iso.es_ES.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv acceso embargado
http://purl.org/coar/access_right/c_f1cf
info:eu-repo/semantics/embargoedAccess
rights_invalid_str_mv acceso embargado
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eu_rights_str_mv embargoedAccess
dc.source.es_ES.fl_str_mv American Journal of Botany, vol.97(3), pp. 388-394
dc.source.none.fl_str_mv reponame:Kérwá
instname:Universidad de Costa Rica
instacron:UCR
instname_str Universidad de Costa Rica
instacron_str UCR
institution UCR
reponame_str Kérwá
collection Kérwá
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spelling Ávalos Rodríguez, Gerardof9a9e00c-59aa-4514-a00c-856aeeb3ce25Fernández Otárola, Mauriciod1899731-34a2-4cf3-94f8-d499e2fc22d26002022-11-23T19:03:38Z2022-11-23T19:03:38Z2010https://bsapubs.onlinelibrary.wiley.com/doi/10.3732/ajb.09001491537-2197https://hdl.handle.net/10669/8773910.3732/ajb.0900149111-A3-129The lack of secondary meristems shapes allometric relationships of the palms, infl uencing species segregation according to their capacity to adjust form and function to spatial and temporal changes in environmental conditions. We examined the stem height vs. diameter allometry of Euterpe precatoria across environmental gradients and measured how terrain inclination and palm size affected stilt root structure at two sites in Costa Rica. We dissected the root cone into eight variables and used principal component analysis to summarize their correlation structure. The fi t of the stem diameter – height relationship to the stress, elastic, and geometric similar- ity models was examined using data from 438 palms. Terrain inclination did not affect stilt roots, whose structure was determined by palm size. Palms under 1 m showed geometric similarity, whereas palms above 1 m had slope values that were one and a half times higher, independent of successional stage, and did not adjust to any mechanical model. Taller palms departed from these models when they were large because they had stilt root support. We conclude that height in E. precatoria is constrained by structural support at the base and that diameter at the base of the stem and stilt roots balances height increments over all the size ranges examined. KeyOrganization of Tropical Studies/[]/OTS/Costa RicaUniversidad de Costa Rica/[111-A3-129]/UCR/Costa RicaUCR::Vicerrectoría de Docencia::Ciencias Básicas::Facultad de Ciencias::Escuela de Biologíaengacceso embargadohttp://purl.org/coar/access_right/c_f1cfinfo:eu-repo/semantics/embargoedAccessAmerican Journal of Botany, vol.97(3), pp. 388-394reponame:Kérwáinstname:Universidad de Costa Ricainstacron:UCRAllometryArecaceaeCOSTA RICAEuterpe precatoriaMechanical stabilityPalm growthStilt root structureTree architectureBIOLOGÍAAllometry and stilt root structure of the Neotropical palm Euterpe precatoria (Arecaceae) across sites and successional stagesartículo originalhttp://purl.org/coar/resource_type/c_2df8fbb1info:eu-repo/semantics/articleLICENSElicense.txtlicense.txttext/plain; charset=utf-83585https://www.kerwa.ucr.ac.cr/bitstreams/c50c8ad4-288e-4655-b29d-974d9bdc4aff/download44ae5839bc6497e3c892c5ee8e4284f1MD52ORIGINALAvalos, Fernández Otárola - 2010 - Allometry and stilt root structure of the Neotropical palm Euterpe Precatoria (Arecaceae) across site.pdfAvalos, Fernández Otárola - 2010 - Allometry and stilt root structure of the Neotropical palm Euterpe Precatoria (Arecaceae) across site.pdfArtículoapplication/pdf554093https://www.kerwa.ucr.ac.cr/bitstreams/9de46088-be93-415d-9577-a394dd733398/download19f5df911c55d5f84d7d5eecdee7d371MD51TEXTAvalos, Fernández Otárola - 2010 - Allometry and stilt root structure of the Neotropical palm Euterpe Precatoria (Arecaceae) across site.pdf.txtAvalos, Fernández Otárola - 2010 - Allometry and stilt root structure of the Neotropical palm Euterpe Precatoria (Arecaceae) across site.pdf.txtExtracted texttext/plain50858https://www.kerwa.ucr.ac.cr/bitstreams/0b74de3c-3f77-4057-aee7-7feed825b58c/downloadb8250aa906788944a92755f993281340MD53THUMBNAILAvalos, Fernández Otárola - 2010 - Allometry and stilt root structure of the Neotropical palm Euterpe Precatoria (Arecaceae) across site.pdf.jpgAvalos, Fernández Otárola - 2010 - Allometry and stilt root structure of the Neotropical palm Euterpe Precatoria (Arecaceae) across site.pdf.jpgIM Thumbnailimage/jpeg9292https://www.kerwa.ucr.ac.cr/bitstreams/69aad47d-e7dd-42f9-8d12-92375b24e458/downloadc0a577a9c74975a9adcd6886bd735c47MD5410669/877392024-08-22 06:39:50.014embargo2150-11-01oai:kerwa.ucr.ac.cr:10669/87739https://www.kerwa.ucr.ac.crInstitucionalhttp://www.kerwa.ucr.ac.crUniversidadhttp://www.ucr.ac.crhttps://kerwa.ucr.ac.cr/oai/requestmeilyn.garro@ucr.ac.crCosta RicaNo aplicaNo aplicaNo aplicaopendoar:18712025-03-29T18:08:56.078Kérwá - 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