Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s40415-016-0348-x http://hdl.handle.net/11449/162969 |
Resumo: | Myrcia amazonica DC. occurs in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Bahia State, Brazil-habitats with contrasting irradiance and humidity conditions. We evaluated variations in aspects of the cost-benefit relationships of leaf maintenance and photosynthetic activity (phenology, leaf age, gas exchange, and photosynthetic pigments) and the maintenance of a positive water balance (leaf water potential, wood density, and leaf attributes) in two populations of M. amazonica occurring in those habitats. Our hypothesis was that this species would show more efficient water use associated with maintaining its leaves for longer periods in campo rupestre'' vegetation rather than in gallery forests-linked to the environmental constraints on campo rupestre'' population (lower water availability and elevated irradiance). We found that individuals growing in campo rupestre'' showed greater stomatal conductance, CO2 assimilation, transpiration rates, leaf thicknesses, leaf succulence, daily water potential amplitudes, and leaf longevity but lower wood densities as compared to the gallery forest population. Even with wide contrasts in terms of all of these parameters, both populations maintained perennial leaf patterns, despite with variations in the intensities and durations of leaf production (being more intense and of shorter duration in the campo rupestre'' population). Myrcia amazonica demonstrated high functional and morphological plasticity of attributes related to its survival and growth in these habitats. Our hypothesis was confirmed, as campo rupestre'' plants showed morphofunctional strategies associated with resource conservation, including more efficient water use. |
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Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, BrazilGas exchangePhenodynamicsPhotosynthetic pigmentsWater potentialWood densityMyrcia amazonica DC. occurs in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Bahia State, Brazil-habitats with contrasting irradiance and humidity conditions. We evaluated variations in aspects of the cost-benefit relationships of leaf maintenance and photosynthetic activity (phenology, leaf age, gas exchange, and photosynthetic pigments) and the maintenance of a positive water balance (leaf water potential, wood density, and leaf attributes) in two populations of M. amazonica occurring in those habitats. Our hypothesis was that this species would show more efficient water use associated with maintaining its leaves for longer periods in campo rupestre'' vegetation rather than in gallery forests-linked to the environmental constraints on campo rupestre'' population (lower water availability and elevated irradiance). We found that individuals growing in campo rupestre'' showed greater stomatal conductance, CO2 assimilation, transpiration rates, leaf thicknesses, leaf succulence, daily water potential amplitudes, and leaf longevity but lower wood densities as compared to the gallery forest population. Even with wide contrasts in terms of all of these parameters, both populations maintained perennial leaf patterns, despite with variations in the intensities and durations of leaf production (being more intense and of shorter duration in the campo rupestre'' population). Myrcia amazonica demonstrated high functional and morphological plasticity of attributes related to its survival and growth in these habitats. Our hypothesis was confirmed, as campo rupestre'' plants showed morphofunctional strategies associated with resource conservation, including more efficient water use.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundacao de Amparo a Pesquisa do Estado da BahiaCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Inst Fed Educ Ciencia & Tecnol Bahia, Campus Irece,Rodovia BA 148,Km 04, BR-44900000 Irece, BA, BrazilUniv Estadual Norte Fluminense UENF Darcy Ribeiro, Ctr Biociencia & Biotecnol, Lab Ciencias Ambientais, Av Alberto Lamego 2000, BR-28013602 Campos Dos Goytacazes, RJ, BrazilUniv Estadual Paulista, Dept Biol Aplicada & Agr, Via Acesso Prof Paulo Donato Castellane S-N Zona, BR-14884000 Jaboticabal, SP, BrazilUniv Estadual Feira de Santana, Dept Ciencias Biol, Av Transnordestina S-N, BR-44036900 Feira De Santana, BA, BrazilUniv Estadual Paulista, Dept Biol Aplicada & Agr, Via Acesso Prof Paulo Donato Castellane S-N Zona, BR-14884000 Jaboticabal, SP, BrazilCNPq: 305333/2009-7Fundacao de Amparo a Pesquisa do Estado da Bahia: 5303/2009CNPq: 306758/2013-0Soc Botanica Sao PauloInst Fed Educ Ciencia & Tecnol BahiaUniv Estadual Norte Fluminense UENF Darcy RibeiroUniversidade Estadual Paulista (Unesp)Univ Estadual Feira de SantanaSilva Moraes, Aline Cristina daVitoria, Angela PierreRossatto, Davi Rodrigo [UNESP]Pedreira de Miranda, Lia d'AfonsecaFunch, Ligia Silveira2018-11-26T17:35:07Z2018-11-26T17:35:07Z2017-06-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article439-450application/pdfhttp://dx.doi.org/10.1007/s40415-016-0348-xBrazilian Journal Of Botany. Sao Paulo: Soc Botanica Sao Paulo, v. 40, n. 2, p. 439-450, 2017.1806-9959http://hdl.handle.net/11449/16296910.1007/s40415-016-0348-xWOS:000405085900008WOS000405085900008.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Journal Of Botanyinfo:eu-repo/semantics/openAccess2024-06-06T13:05:08Zoai:repositorio.unesp.br:11449/162969Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T20:08:03.273148Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
title |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
spellingShingle |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil Silva Moraes, Aline Cristina da Gas exchange Phenodynamics Photosynthetic pigments Water potential Wood density |
title_short |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
title_full |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
title_fullStr |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
title_full_unstemmed |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
title_sort |
Leaf phenology and morphofunctional variation in Myrcia amazonica DC. (Myrtaceae) in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Brazil |
author |
Silva Moraes, Aline Cristina da |
author_facet |
Silva Moraes, Aline Cristina da Vitoria, Angela Pierre Rossatto, Davi Rodrigo [UNESP] Pedreira de Miranda, Lia d'Afonseca Funch, Ligia Silveira |
author_role |
author |
author2 |
Vitoria, Angela Pierre Rossatto, Davi Rodrigo [UNESP] Pedreira de Miranda, Lia d'Afonseca Funch, Ligia Silveira |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Inst Fed Educ Ciencia & Tecnol Bahia Univ Estadual Norte Fluminense UENF Darcy Ribeiro Universidade Estadual Paulista (Unesp) Univ Estadual Feira de Santana |
dc.contributor.author.fl_str_mv |
Silva Moraes, Aline Cristina da Vitoria, Angela Pierre Rossatto, Davi Rodrigo [UNESP] Pedreira de Miranda, Lia d'Afonseca Funch, Ligia Silveira |
dc.subject.por.fl_str_mv |
Gas exchange Phenodynamics Photosynthetic pigments Water potential Wood density |
topic |
Gas exchange Phenodynamics Photosynthetic pigments Water potential Wood density |
description |
Myrcia amazonica DC. occurs in gallery forest and campo rupestre'' vegetation in the Chapada Diamantina, Bahia State, Brazil-habitats with contrasting irradiance and humidity conditions. We evaluated variations in aspects of the cost-benefit relationships of leaf maintenance and photosynthetic activity (phenology, leaf age, gas exchange, and photosynthetic pigments) and the maintenance of a positive water balance (leaf water potential, wood density, and leaf attributes) in two populations of M. amazonica occurring in those habitats. Our hypothesis was that this species would show more efficient water use associated with maintaining its leaves for longer periods in campo rupestre'' vegetation rather than in gallery forests-linked to the environmental constraints on campo rupestre'' population (lower water availability and elevated irradiance). We found that individuals growing in campo rupestre'' showed greater stomatal conductance, CO2 assimilation, transpiration rates, leaf thicknesses, leaf succulence, daily water potential amplitudes, and leaf longevity but lower wood densities as compared to the gallery forest population. Even with wide contrasts in terms of all of these parameters, both populations maintained perennial leaf patterns, despite with variations in the intensities and durations of leaf production (being more intense and of shorter duration in the campo rupestre'' population). Myrcia amazonica demonstrated high functional and morphological plasticity of attributes related to its survival and growth in these habitats. Our hypothesis was confirmed, as campo rupestre'' plants showed morphofunctional strategies associated with resource conservation, including more efficient water use. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-06-01 2018-11-26T17:35:07Z 2018-11-26T17:35:07Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s40415-016-0348-x Brazilian Journal Of Botany. Sao Paulo: Soc Botanica Sao Paulo, v. 40, n. 2, p. 439-450, 2017. 1806-9959 http://hdl.handle.net/11449/162969 10.1007/s40415-016-0348-x WOS:000405085900008 WOS000405085900008.pdf |
url |
http://dx.doi.org/10.1007/s40415-016-0348-x http://hdl.handle.net/11449/162969 |
identifier_str_mv |
Brazilian Journal Of Botany. Sao Paulo: Soc Botanica Sao Paulo, v. 40, n. 2, p. 439-450, 2017. 1806-9959 10.1007/s40415-016-0348-x WOS:000405085900008 WOS000405085900008.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Journal Of Botany |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
439-450 application/pdf |
dc.publisher.none.fl_str_mv |
Soc Botanica Sao Paulo |
publisher.none.fl_str_mv |
Soc Botanica Sao Paulo |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129163489443840 |