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| 14. |  | OLIVEIRA, B. R. U. de; LATORRACA, J. V. de F.; TOMAZELLO FILHO, M.; GARCIA, R. A.; CARVALHO, A. M. de. Correlações dendroclimátológicas do Eucalyptus grandis Hill. ex Maiden na região de Rio Claro, RJ. Ciência Florestal, Santa Maria, v. 21, n. 3, p. 499-508, jul./set. 2011.| Biblioteca(s): Embrapa Florestas. |
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| 16. | | PALERMO, G. P. de M.; LATORRACA, J. V. de F.; REZENDE, M. A. de; NASCIMENTO, A. M. do; SEVERO, E. T. D.; ABREU, H. dos S. Análise da densidade da madeira de Pinus elliottii Engelm. por meio de radiação gama de acordo com as direções estruturais (longitudinal e radial) e a idade de crescimento. Floresta e Ambiente, Rio de Janeiro, v. 10, n. 2, p. 47-57, ago./dez. 2003.| Biblioteca(s): Embrapa Florestas. |
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| 17. | | OLIVEIRA, B. R. U. de; LATORRACA, J. V. de F.; TOMAZELLO FILHO, M.; PALERMO, G. P. de M.; CARVALHO, A. M. de; PASTRO, M. S. Microdensitometria de raios X aplicada na determinação da variação da densidade do lenho de árvores de Eucalyptus grandis W. Hill. Scientia Forestalis, Piracicaba, v. 40, n. 93, p. 103-112, mar. 2012.| Biblioteca(s): Embrapa Florestas. |
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| 18. | | SILVA, G. C.; LATORRACA. J. V. de F.; LELIS, R. C. C.; TEIXEIRA, D. E.; CARMO, J. F. do; FERREIRA, É. da S. Produção de painéis de cimento-madeira com adição de diferentes proporções de casca e microssílica. Ciência Florestal, Santa Maria, v. 16, n. 1, p. 61-70, mar. 2006.| Biblioteca(s): Embrapa Florestas. |
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| 19. | | RAMOS, L. M. A.; LATORRACA, J. V. de F.; PASTRO, M. S.; SOUZA, M. T. de; GARCIA, R. A.; CARVALHO, A. M. de. Variação radial dos caracteres anatômicos da madeira de Eucalyptus grandis W. Hill. Ex Maiden e idade de transição entre lenho juvenil e adulto. Scientia Forestalis, Piracicaba, v. 39, n. 92, p. 411-418, dez. 2011.| Biblioteca(s): Embrapa Florestas. |
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| 20. | | FIRMINO, A. V.; VIDAURRE, G. B.; OLIVEIRA, J. T. da S.; GUEDES, M. C.; ALMEIDA, M. N. F. de; SILVA, J. G. M. da; LATORRACA, J. V. de F.; ZANUNCIO, J. C. Wood properties of Carapa guianensis from floodplain and upland forests in Eastern Amazonia, Brazil. Scientific Report, v. 9, n. 10641, 2019.| Biblioteca(s): Embrapa Amapá. |
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Registro Completo
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Biblioteca(s): |
Embrapa Amapá. |
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Data corrente: |
14/11/2019 |
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Data da última atualização: |
18/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
FIRMINO, A. V.; VIDAURRE, G. B.; OLIVEIRA, J. T. da S.; GUEDES, M. C.; ALMEIDA, M. N. F. de; SILVA, J. G. M. da; LATORRACA, J. V. de F.; ZANUNCIO, J. C. |
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Afiliação: |
ANDERSON VASCONCELOS FIRMINO, UFES; GRAZIELA BAPTISTA VIDAURRE, UFES; JOSÉ TARCÍSIO DA SILVA OLIVEIRA, UFES; MARCELINO CARNEIRO GUEDES, CPAF-AP; MARIA NARUNA FELIX DE ALMEIDA, UFES; JOÃO GABRIEL MISSIA DA SILVA, UFES; JOÃO VICENTE DE FIGUEIREDO LATORRACA, UFRJ; JOSÉ COLA ZANUNCIO, UFV. |
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Título: |
Wood properties of Carapa guianensis from floodplain and upland forests in Eastern Amazonia, Brazil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Scientific Report, v. 9, n. 10641, 2019. |
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DOI: |
https://doi.org/10.1038/s41598-019-46943-w |
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Idioma: |
Inglês |
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Conteúdo: |
The variable environmental conditions of the Amazon forest can affect the wood properties of the tree species distributed across its diverse phytophysiognomies. Carapa guianensis (Andiroba) occurs in upland and floodplain forests, and the wood and oil of its seeds have multiple uses. The aim of this study was to evaluate the wood properties of C. guianensis trees in upland and estuarine floodplain forests of the Amazon River. Eight trees were selected, with four being from the upland and four from the floodplain forests. The fiber length, fiber wall thickness, vessel diameter and frequency, microfibril angle, specific gravity and wood shrinkage were evaluated. The juvenile and mature wood zones were determined according to these variables. The fiber length, fiber wall thickness and specific gravity increased, and microfibril angle decreased, in the pith to bark direction. Only the fiber length variable was efficient for delimiting juvenile, transition and mature wood. The fiber length, wall thickness and specific gravity of wood were higher in upland forest trees. However, the environment did not alter the beginning of the formation and proportion of C. guianensis mature wood. This information is important for the log fit in cutting diagrams, aiming toward improving the production, classification and processing of pieces with specific quality indexes in order to direct them to appropriate wood uses. |
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Thesagro: |
Andiroba; Condição Ambiental. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/204783/1/CPAF-AP-2019-Wood-properties-of-Carapa.pdf
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Marc: |
LEADER 02179naa a2200241 a 4500
001 2114400
005 2019-11-18
008 2019 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1038/s41598-019-46943-w$2DOI
100 1 $aFIRMINO, A. V.
245 $aWood properties of Carapa guianensis from floodplain and upland forests in Eastern Amazonia, Brazil.$h[electronic resource]
260 $c2019
520 $aThe variable environmental conditions of the Amazon forest can affect the wood properties of the tree species distributed across its diverse phytophysiognomies. Carapa guianensis (Andiroba) occurs in upland and floodplain forests, and the wood and oil of its seeds have multiple uses. The aim of this study was to evaluate the wood properties of C. guianensis trees in upland and estuarine floodplain forests of the Amazon River. Eight trees were selected, with four being from the upland and four from the floodplain forests. The fiber length, fiber wall thickness, vessel diameter and frequency, microfibril angle, specific gravity and wood shrinkage were evaluated. The juvenile and mature wood zones were determined according to these variables. The fiber length, fiber wall thickness and specific gravity increased, and microfibril angle decreased, in the pith to bark direction. Only the fiber length variable was efficient for delimiting juvenile, transition and mature wood. The fiber length, wall thickness and specific gravity of wood were higher in upland forest trees. However, the environment did not alter the beginning of the formation and proportion of C. guianensis mature wood. This information is important for the log fit in cutting diagrams, aiming toward improving the production, classification and processing of pieces with specific quality indexes in order to direct them to appropriate wood uses.
650 $aAndiroba
650 $aCondição Ambiental
700 1 $aVIDAURRE, G. B.
700 1 $aOLIVEIRA, J. T. da S.
700 1 $aGUEDES, M. C.
700 1 $aALMEIDA, M. N. F. de
700 1 $aSILVA, J. G. M. da
700 1 $aLATORRACA, J. V. de F.
700 1 $aZANUNCIO, J. C.
773 $tScientific Report$gv. 9, n. 10641, 2019.
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