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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
17/05/2019 |
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Data da última atualização: |
30/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BLAGITZ, M.; BOTOSSO, P. C.; LONGHI-SANTOS, T.; BIANCHINI, E. |
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Afiliação: |
Marcela Blagitz, Instituto Federal de Educação,Ciência e Tecnologia de São Paulo; PAULO CESAR BOTOSSO, CNPF; Tomaz Longhi-Santos, UFPR; Edmilson Bianchini, UEL. |
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Título: |
Tree rings in tree species of a seasonal semi-deciduous forest in southern Brazil: wood anatomical markers, annual formation and radial growth dynamic. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Dendrochronologia, v. 55, p. 93-104, June 2019. |
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DOI: |
10.1016/j.dendro.2019.04.006 |
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Idioma: |
Inglês |
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Conteúdo: |
Tree rings provide valid predictions regarding species age and growth rates and, therefore, they can contribute to understand forest dynamics and ecology. In this work, we evaluated the tree rings of eight tree species from different successional groups that show distinct degrees of deciduousness in a seasonal semi-deciduous forest located in a transition zone between subtropical and the tropical climates in southern Brazil. We focused on wood anatomical markers, the annual nature of tree-ring formation, the description of false rings, a cross-dating analyses and an interpretation of the radial increment dynamics of the species. We sampled increment cores at breast height, performed cambial wounding and measured tree-ring widths. Annual tree rings were found in seven species, which were confirmed by cambium wounding. Differences in fiber wall thickness between latewood and earlywood and the marginal parenchyma were the main anatomical markers observed. Deciduous species had better distinction of tree ring boundaries, while the evergreen species had slightly distinct tree ring boundaries. False rings were characterized by variations in wood density and axial parenchyma bands of different widths within true tree rings. The annual tree ring confirmation and the anatomical description of the true and false rings are useful for future dendroecological research in the area. Considering the cross-dating analyses and tree-ring distinctiveness, Chrysophyllum gonocarpum is a recommended species. Regarding radial growth, the early secondary species had higher growth rates than the late secondary species. Assessing the growth trajectories over time, distinct patterns were observed among the species: a constant growth, an initial increase followed by a reduction, and oscillations of the growth were observed. As no consistent pattern of the growth trajectories was observed among species that belong to the same successional groups, they contribute to the explanation of the particular life history of these individuals in the seasonal semi-deciduous forest. MenosTree rings provide valid predictions regarding species age and growth rates and, therefore, they can contribute to understand forest dynamics and ecology. In this work, we evaluated the tree rings of eight tree species from different successional groups that show distinct degrees of deciduousness in a seasonal semi-deciduous forest located in a transition zone between subtropical and the tropical climates in southern Brazil. We focused on wood anatomical markers, the annual nature of tree-ring formation, the description of false rings, a cross-dating analyses and an interpretation of the radial increment dynamics of the species. We sampled increment cores at breast height, performed cambial wounding and measured tree-ring widths. Annual tree rings were found in seven species, which were confirmed by cambium wounding. Differences in fiber wall thickness between latewood and earlywood and the marginal parenchyma were the main anatomical markers observed. Deciduous species had better distinction of tree ring boundaries, while the evergreen species had slightly distinct tree ring boundaries. False rings were characterized by variations in wood density and axial parenchyma bands of different widths within true tree rings. The annual tree ring confirmation and the anatomical description of the true and false rings are useful for future dendroecological research in the area. Considering the cross-dating analyses and tree-ring distinctiveness, Chrysophyllum gonocarpum is a recommend... Mostrar Tudo |
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Palavras-Chave: |
Annual increment; Atlantic Forest; Dendrocronologia; False rings; Floresta Atlântica; Incremento anual; Seasonality; Tropical species. |
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Thesagro: |
Espécie Nativa. |
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Thesaurus Nal: |
Dendrochronology. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02985naa a2200289 a 4500
001 2109125
005 2019-10-30
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1016/j.dendro.2019.04.006$2DOI
100 1 $aBLAGITZ, M.
245 $aTree rings in tree species of a seasonal semi-deciduous forest in southern Brazil$bwood anatomical markers, annual formation and radial growth dynamic.$h[electronic resource]
260 $c2019
520 $aTree rings provide valid predictions regarding species age and growth rates and, therefore, they can contribute to understand forest dynamics and ecology. In this work, we evaluated the tree rings of eight tree species from different successional groups that show distinct degrees of deciduousness in a seasonal semi-deciduous forest located in a transition zone between subtropical and the tropical climates in southern Brazil. We focused on wood anatomical markers, the annual nature of tree-ring formation, the description of false rings, a cross-dating analyses and an interpretation of the radial increment dynamics of the species. We sampled increment cores at breast height, performed cambial wounding and measured tree-ring widths. Annual tree rings were found in seven species, which were confirmed by cambium wounding. Differences in fiber wall thickness between latewood and earlywood and the marginal parenchyma were the main anatomical markers observed. Deciduous species had better distinction of tree ring boundaries, while the evergreen species had slightly distinct tree ring boundaries. False rings were characterized by variations in wood density and axial parenchyma bands of different widths within true tree rings. The annual tree ring confirmation and the anatomical description of the true and false rings are useful for future dendroecological research in the area. Considering the cross-dating analyses and tree-ring distinctiveness, Chrysophyllum gonocarpum is a recommended species. Regarding radial growth, the early secondary species had higher growth rates than the late secondary species. Assessing the growth trajectories over time, distinct patterns were observed among the species: a constant growth, an initial increase followed by a reduction, and oscillations of the growth were observed. As no consistent pattern of the growth trajectories was observed among species that belong to the same successional groups, they contribute to the explanation of the particular life history of these individuals in the seasonal semi-deciduous forest.
650 $aDendrochronology
650 $aEspécie Nativa
653 $aAnnual increment
653 $aAtlantic Forest
653 $aDendrocronologia
653 $aFalse rings
653 $aFloresta Atlântica
653 $aIncremento anual
653 $aSeasonality
653 $aTropical species
700 1 $aBOTOSSO, P. C.
700 1 $aLONGHI-SANTOS, T.
700 1 $aBIANCHINI, E.
773 $tDendrochronologia$gv. 55, p. 93-104, June 2019.
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Registro original: |
Embrapa Florestas (CNPF) |
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Registro |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
08/04/2008 |
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Data da última atualização: |
24/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Nacional - C |
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Autoria: |
FERREIRA, W. P. M.; COSTA, L. C.; SOUZA, C. de F. |
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Afiliação: |
EMBRAPA-CNPMS. |
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Título: |
Modelo de estimativa de produtividade da soja (Glicine max (L.) Merril) em função da variabilidade da temperatura. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Engenharia na Agricultura, Viçosa, v. 15, n. 4, p. 400-407, 2007. |
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Idioma: |
Português |
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Conteúdo: |
Com o objetivo de verificar o efeito da temperatura do ar sobre a produtividade da cultura da soja, em Minas Gerais, foi desenvolvido um modelo de simulação dinâmico, mecanístico e determinístico. A principal característica do modelo foi a associação da simplicidade com o rigor científico necessário. Como variáveis de entrada o modelo utiliza os elementos climáticos precipitação, temperatura e insolação, por serem de fácil obtenção. Os resultados indicaram que o modelo mostrou-se sensível às variabilidades climáticas intra-anual e inter-anual, representadas pelas diferentes condições meteorológicas sucedidas nas diferentes datas de semeadura, evidenciando o seu alto potencial de aplicação como ferramenta no entendimento das relações entre a cultura da soja e os elementos climáticos. O modelo indicou diferença no rendimento final de matéria seca e grãos, e o fndice de Colheita variou de 33,1% até 29,1% em relação às datas de semeadura de 15/10 a 15/12 para o ano de 1996. |
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Palavras-Chave: |
Modelo agrometeorológico. |
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Thesagro: |
Clima; Rendimento. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/50806/1/Modelo-estimativa.pdf
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Marc: |
LEADER 01607naa a2200181 a 4500
001 1491041
005 2018-05-24
008 2007 bl uuuu u00u1 u #d
100 1 $aFERREIRA, W. P. M.
245 $aModelo de estimativa de produtividade da soja (Glicine max (L.) Merril) em função da variabilidade da temperatura.$h[electronic resource]
260 $c2007
520 $aCom o objetivo de verificar o efeito da temperatura do ar sobre a produtividade da cultura da soja, em Minas Gerais, foi desenvolvido um modelo de simulação dinâmico, mecanístico e determinístico. A principal característica do modelo foi a associação da simplicidade com o rigor científico necessário. Como variáveis de entrada o modelo utiliza os elementos climáticos precipitação, temperatura e insolação, por serem de fácil obtenção. Os resultados indicaram que o modelo mostrou-se sensível às variabilidades climáticas intra-anual e inter-anual, representadas pelas diferentes condições meteorológicas sucedidas nas diferentes datas de semeadura, evidenciando o seu alto potencial de aplicação como ferramenta no entendimento das relações entre a cultura da soja e os elementos climáticos. O modelo indicou diferença no rendimento final de matéria seca e grãos, e o fndice de Colheita variou de 33,1% até 29,1% em relação às datas de semeadura de 15/10 a 15/12 para o ano de 1996.
650 $aClima
650 $aRendimento
653 $aModelo agrometeorológico
700 1 $aCOSTA, L. C.
700 1 $aSOUZA, C. de F.
773 $tEngenharia na Agricultura, Viçosa$gv. 15, n. 4, p. 400-407, 2007.
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