Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/48515 |
Resumo: | There are few publications evaluating wood variation properties along the stem of many Eucalyptus clones. Thus, the aim of this research was to evaluate the longitudinal variation of the basic density, wood carbon stock, and energy density of clones in the genus Eucalyptus. 39 Eucalyptus sp. clones were evaluated at 81 months of age; with 3 trees sampled according to genetic material, and samples from 5 longitudinal positions along the stem collected at 2%, 10%, 30%, 50%, and 75% of the commercial height. The characteristics evaluated in these positions were basic density; carbon stock and wood energy density. The experiment was conducted in a completely randomized design (CRD), arranged in split plot design. There is dependence between clone and longitudinal position for basic density, carbon stock, and energy density. Four variation patterns of basic density were found for the Eucalyptus urophylla clones. There was a strong correlation of the basic density with carbon stock (r=0.9893) and wood energy density (r=0.9798). Wood basic density presented patterns of medium and high variability between genetic materials and longitudinal positions along the stem, respectively. Clones 1001, 1009, 1025, and 1039 were the most suitable for bioenergy purposes due the high values of basic density, carbon stock, and wood energy density. |
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Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de EucalyptusVariability of basic and energy densities and wood carbon stock in Eucalyptus clones’ trunksMateriais genéticosClassificação de clonesDensidade energéticaCarvão vegetalGenetic materialsClone classificationEnergy densityCharcoalThere are few publications evaluating wood variation properties along the stem of many Eucalyptus clones. Thus, the aim of this research was to evaluate the longitudinal variation of the basic density, wood carbon stock, and energy density of clones in the genus Eucalyptus. 39 Eucalyptus sp. clones were evaluated at 81 months of age; with 3 trees sampled according to genetic material, and samples from 5 longitudinal positions along the stem collected at 2%, 10%, 30%, 50%, and 75% of the commercial height. The characteristics evaluated in these positions were basic density; carbon stock and wood energy density. The experiment was conducted in a completely randomized design (CRD), arranged in split plot design. There is dependence between clone and longitudinal position for basic density, carbon stock, and energy density. Four variation patterns of basic density were found for the Eucalyptus urophylla clones. There was a strong correlation of the basic density with carbon stock (r=0.9893) and wood energy density (r=0.9798). Wood basic density presented patterns of medium and high variability between genetic materials and longitudinal positions along the stem, respectively. Clones 1001, 1009, 1025, and 1039 were the most suitable for bioenergy purposes due the high values of basic density, carbon stock, and wood energy density.Escassas são as publicações que avaliam as variações das propriedades do lenho, ao longo do fuste, de elevado número de clones de Eucalyptus. Dessa forma, o objetivo desta pesquisa foi avaliar a variação longitudinal das densidades básica e energética e estoque de carbono na madeira de clones do gênero Eucalyptus. Foram avaliados 39 clones de Eucalyptus spp., aos 81 meses de idade, dos quais foram amostradas 3 árvores por material genético, sendo retiradas amostras de madeira ao longo de 5 posições do fuste (2%, 10%, 30%, 50% e 75% da altura comercial). O experimento foi desenvolvido em delineamento inteiramente casualizado (DIC), disposto em parcelas subdivididas. Há dependência entre clone e posição longitudinal para densidade básica, estoque de carbono na madeira e densidade energética. Foram encontrados quatro padrões de variação de densidade básica para os clones de Eucalyptus urophylla. Verificou-se forte correlação da densidade básica com estoque de carbono (r=0,9893) e densidade energética da madeira (r=0,9798). A densidade básica da madeira apresenta padrões de média e baixa variabilidade entre os materiais genéticos e posições longitudinais do fuste, respectivamente. Os clones 1001, 1009, 1025 e 1039 foram os mais indicados para fins bioenergéticos, pois apresentaram elevados valores de densidade básica, estoque de carbono e densidade energética da madeira.Instituto de Pesquisas e Estudos Florestais2021-11-19T20:15:59Z2021-11-19T20:15:59Z2020info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfLIMA, M. D. R. et al. Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus. Scientia Forestalis, Piracicaba, v. 48, n. 128, e3302, 2020.http://repositorio.ufla.br/jspui/handle/1/48515Scientia Forestalisreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessLima, Michael Douglas RoqueBarros Junior, Udson de OliveiraAssis, Maíra Reis deMelo, Isabel Cristina Nogueira Alves deFigueiredo, Izabel Cristina Rodrigues deProtásio, Thiago de PaulaTrugilho, Paulo Fernandopor2021-11-19T20:15:59Zoai:localhost:1/48515Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2021-11-19T20:15:59Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus Variability of basic and energy densities and wood carbon stock in Eucalyptus clones’ trunks |
title |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus |
spellingShingle |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus Lima, Michael Douglas Roque Materiais genéticos Classificação de clones Densidade energética Carvão vegetal Genetic materials Clone classification Energy density Charcoal |
title_short |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus |
title_full |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus |
title_fullStr |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus |
title_full_unstemmed |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus |
title_sort |
Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus |
author |
Lima, Michael Douglas Roque |
author_facet |
Lima, Michael Douglas Roque Barros Junior, Udson de Oliveira Assis, Maíra Reis de Melo, Isabel Cristina Nogueira Alves de Figueiredo, Izabel Cristina Rodrigues de Protásio, Thiago de Paula Trugilho, Paulo Fernando |
author_role |
author |
author2 |
Barros Junior, Udson de Oliveira Assis, Maíra Reis de Melo, Isabel Cristina Nogueira Alves de Figueiredo, Izabel Cristina Rodrigues de Protásio, Thiago de Paula Trugilho, Paulo Fernando |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Lima, Michael Douglas Roque Barros Junior, Udson de Oliveira Assis, Maíra Reis de Melo, Isabel Cristina Nogueira Alves de Figueiredo, Izabel Cristina Rodrigues de Protásio, Thiago de Paula Trugilho, Paulo Fernando |
dc.subject.por.fl_str_mv |
Materiais genéticos Classificação de clones Densidade energética Carvão vegetal Genetic materials Clone classification Energy density Charcoal |
topic |
Materiais genéticos Classificação de clones Densidade energética Carvão vegetal Genetic materials Clone classification Energy density Charcoal |
description |
There are few publications evaluating wood variation properties along the stem of many Eucalyptus clones. Thus, the aim of this research was to evaluate the longitudinal variation of the basic density, wood carbon stock, and energy density of clones in the genus Eucalyptus. 39 Eucalyptus sp. clones were evaluated at 81 months of age; with 3 trees sampled according to genetic material, and samples from 5 longitudinal positions along the stem collected at 2%, 10%, 30%, 50%, and 75% of the commercial height. The characteristics evaluated in these positions were basic density; carbon stock and wood energy density. The experiment was conducted in a completely randomized design (CRD), arranged in split plot design. There is dependence between clone and longitudinal position for basic density, carbon stock, and energy density. Four variation patterns of basic density were found for the Eucalyptus urophylla clones. There was a strong correlation of the basic density with carbon stock (r=0.9893) and wood energy density (r=0.9798). Wood basic density presented patterns of medium and high variability between genetic materials and longitudinal positions along the stem, respectively. Clones 1001, 1009, 1025, and 1039 were the most suitable for bioenergy purposes due the high values of basic density, carbon stock, and wood energy density. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020 2021-11-19T20:15:59Z 2021-11-19T20:15:59Z |
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 |
LIMA, M. D. R. et al. Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus. Scientia Forestalis, Piracicaba, v. 48, n. 128, e3302, 2020. http://repositorio.ufla.br/jspui/handle/1/48515 |
identifier_str_mv |
LIMA, M. D. R. et al. Variabilidade das densidades básica e energética e estoque de carbono na madeira no fuste de clones de Eucalyptus. Scientia Forestalis, Piracicaba, v. 48, n. 128, e3302, 2020. |
url |
http://repositorio.ufla.br/jspui/handle/1/48515 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Instituto de Pesquisas e Estudos Florestais |
publisher.none.fl_str_mv |
Instituto de Pesquisas e Estudos Florestais |
dc.source.none.fl_str_mv |
Scientia Forestalis reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
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1807835137261436928 |