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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
24/04/2015 |
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Data da última atualização: |
24/04/2015 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
FONTES, M. P. F.; XAVIER, B. T. L.; KER, J. C.; LIMA, H. N.; SOUZA, K. W. |
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Título: |
Mineralogy of some soils from the Amazonia Sedimentary Basin. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
In: CONGRESO LATINOAMERICANO DE LA CIENCIA DEL SUELO, 20.; CONGRESO PERUANO DE LA CIENCIA DEL SUELO, 16., 2014, Cusco. Educar para preservar el suelo y conservar la vida en la tierra. Cusco: Centro de Convenciones de la Municipalidad del Cusco, 2014. 1 Pendrive. |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT: The Amazonia Forest is an important biome that possesses great diversity of fauna and flora, which can play a significant role in several science areas, specially, the gene reserve for the future of humankind. Nevertheless, it is a very poorly understood environment, particularly the basis of this ecosystem, its soils. This study was conducted to gain insight in the mineralogy of important soils classes of the Amazonia sedimentary basin. The soils in the upland position in the landscape are developed from tertiary sediments belonging to the Alter do Chão series and those in the floodplain position are derived from quaternary, more specifically, Holocene´s sediments. Sand, silt and clay fractions were separated and X-ray diffraction analysis was conducted. Very simple mineralogy composed basically of quartz in the coarser fractions and kaolinite, goethite and anatase for the finer fraction was found for the Oxisol, the Ultisol and the Entisol from an upland toposequence but differences in kaolinite crystallography could be noticed among them. Gibbsite was virtually absent, in spite of the advanced degree of development of most of these soils. More distinctive mineralogy was revealed for the soils developed in the more recent sediments with quartz and feldspars in the sand and silt fractions and a suite of 2:1 minerals also appearing in their clay fraction, besides kaolinite and goethite. In one upland soil petroplinthite is the main feature and its mineralogy reflected its environment of formation which is usually associated with level to gently sloping areas with fluctuating water table. MenosABSTRACT: The Amazonia Forest is an important biome that possesses great diversity of fauna and flora, which can play a significant role in several science areas, specially, the gene reserve for the future of humankind. Nevertheless, it is a very poorly understood environment, particularly the basis of this ecosystem, its soils. This study was conducted to gain insight in the mineralogy of important soils classes of the Amazonia sedimentary basin. The soils in the upland position in the landscape are developed from tertiary sediments belonging to the Alter do Chão series and those in the floodplain position are derived from quaternary, more specifically, Holocene´s sediments. Sand, silt and clay fractions were separated and X-ray diffraction analysis was conducted. Very simple mineralogy composed basically of quartz in the coarser fractions and kaolinite, goethite and anatase for the finer fraction was found for the Oxisol, the Ultisol and the Entisol from an upland toposequence but differences in kaolinite crystallography could be noticed among them. Gibbsite was virtually absent, in spite of the advanced degree of development of most of these soils. More distinctive mineralogy was revealed for the soils developed in the more recent sediments with quartz and feldspars in the sand and silt fractions and a suite of 2:1 minerals also appearing in their clay fraction, besides kaolinite and goethite. In one upland soil petroplinthite is the main feature and its mineralogy reflec... Mostrar Tudo |
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Palavras-Chave: |
Terra firme. |
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Thesagro: |
Bacia sedimentar; Solo; Solo aluvial; Solo argiloso. |
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Thesaurus Nal: |
Alluvial soils; Amazonia; Brazil; Clay minerals; Sedimentary soils; Soil; Upland soils. |
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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/122811/1/Congresso-Latinoamericano-Peruano-Ciencia-do-Solo-4.pdf
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Marc: |
LEADER 02612nam a2200301 a 4500
001 2014215
005 2015-04-24
008 2014 bl uuuu u00u1 u #d
100 1 $aFONTES, M. P. F.
245 $aMineralogy of some soils from the Amazonia Sedimentary Basin.
260 $aIn: CONGRESO LATINOAMERICANO DE LA CIENCIA DEL SUELO, 20.; CONGRESO PERUANO DE LA CIENCIA DEL SUELO, 16., 2014, Cusco. Educar para preservar el suelo y conservar la vida en la tierra. Cusco: Centro de Convenciones de la Municipalidad del Cusco, 2014. 1 Pendrive.$c2014
520 $aABSTRACT: The Amazonia Forest is an important biome that possesses great diversity of fauna and flora, which can play a significant role in several science areas, specially, the gene reserve for the future of humankind. Nevertheless, it is a very poorly understood environment, particularly the basis of this ecosystem, its soils. This study was conducted to gain insight in the mineralogy of important soils classes of the Amazonia sedimentary basin. The soils in the upland position in the landscape are developed from tertiary sediments belonging to the Alter do Chão series and those in the floodplain position are derived from quaternary, more specifically, Holocene´s sediments. Sand, silt and clay fractions were separated and X-ray diffraction analysis was conducted. Very simple mineralogy composed basically of quartz in the coarser fractions and kaolinite, goethite and anatase for the finer fraction was found for the Oxisol, the Ultisol and the Entisol from an upland toposequence but differences in kaolinite crystallography could be noticed among them. Gibbsite was virtually absent, in spite of the advanced degree of development of most of these soils. More distinctive mineralogy was revealed for the soils developed in the more recent sediments with quartz and feldspars in the sand and silt fractions and a suite of 2:1 minerals also appearing in their clay fraction, besides kaolinite and goethite. In one upland soil petroplinthite is the main feature and its mineralogy reflected its environment of formation which is usually associated with level to gently sloping areas with fluctuating water table.
650 $aAlluvial soils
650 $aAmazonia
650 $aBrazil
650 $aClay minerals
650 $aSedimentary soils
650 $aSoil
650 $aUpland soils
650 $aBacia sedimentar
650 $aSolo
650 $aSolo aluvial
650 $aSolo argiloso
653 $aTerra firme
700 1 $aXAVIER, B. T. L.
700 1 $aKER, J. C.
700 1 $aLIMA, H. N.
700 1 $aSOUZA, K. W.
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Registro original: |
Embrapa Cerrados (CPAC) |
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| Registros recuperados : 59 | |
| 12. |  | CORRÊA, E. F.; ARCO VERDE, M. F.; MOURÃO JÚNIOR, M.; LIMA, H. N. Decomposição de folhas de cupuaçuzeiro (Theobroma grandifolium, Sterculiaceae) em um modelo de sistema agroflorestal de Roraima. In: CONGRESSO BRASILEIRO DE SISTEMAS AGROFLORESTAIS, 5., 2004, Curitiba. SAFs: desenvolvimento com proteção ambiental: anais. Colombo: Embrapa Florestas, 2004. p. 70-72. (Embrapa Florestas. Documentos, 98).| Biblioteca(s): Embrapa Florestas. |
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| 13. | | CORRÊA, E. F.; ARCO VERDE, M. F.; MOURÃO JÚNIOR, M.; LIMA, H. N. Decomposição de folhas de gliricídia (Gliricidia sepium, Leg. Papilionoidea) em um modelo de sistema agroflorestal de Roraima. In: CONGRESSO BRASILEIRO DE SISTEMAS AGROFLORESTAIS, 5., 2004, Curitiba. SAFs: desenvolvimento com proteção ambiental: anais. Colombo: Embrapa Florestas, 2004. p. 73-75. (Embrapa Florestas. Documentos, 98).| Biblioteca(s): Embrapa Florestas. |
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| 16. | | SOUZA, K. W.; LIMA, H. N.; SCHAEFER, C. E. R. G.; TEIXEIRA, W. G. Formas de fósforo em Terras Pretas de Índio da Amazônia brasileira com diferentes granulometrias. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 28.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 12.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 10.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 7., 2008, Londrina. FertBio 2008: desafios para o uso do solo com eficiência e qualidade ambiental: anais. Londrina: Embrapa Soja: SBCS: IAPAR, UEL, 2008. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 17. | | MACEDO, R. S.; TEIXEIRA, W. G.; LIMA, H. N.; NEVES, E. G. Physical, chemical and mineralogical characteristics of soils with anthropics horizons (Terra Preta de Índio) in the floodplains of Solimões River in the Central Amazon-Brazil. In: INTERNATIONAL BIOCHAR CONFERENCE, 3., 2010, Rio de Janeiro. Progressing from Terra Preta de Índios to the whole world. Brasília, DF: Embrapa: MAPA, 2010. p. 200.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 18. | | GAMA, A. da S.; LIMA, H. N.; LOPES, M. T. G.; TEIXEIRA, W. G. Produção de pimentão em ambiente protegido em Manaus-AM. In: CONGRESSO BRASILEIRO DE OLERICULTURA, 46., 2006, Goiânia. [Anais... ]. Horticultura Brasileira, v. 24, n. 1, p. 173-176, jul. 2006. Supl. CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 20. | | LIMA, H. N.; TEIXEIRA, W. G.; IWATA, S. A.; SOUZA, K. W. de; MACEDO, R. S.; GUIMARÃES, S. T. Atributos químicos e composição granulométrica de solos na área de estudo do Piatam. In: CAVALCANTE, K. V.; RIVAS, A. A. F.; FREITAS, C. E. C. (Org.). Indicadores socioambientais e atributos de referência para o trecho Urucu-Coari-Manaus, Rio Solimões, Amazônia Ocidental. Manaus: EDUA, 2007. p. 131-137.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| Registros recuperados : 59 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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