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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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Biblioteca |
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Origem |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Agropecuária Oeste; Embrapa Amapá. |
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Data corrente: |
16/11/2011 |
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Data da última atualização: |
06/10/2022 |
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Tipo da produção científica: |
Circular Técnica |
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Autoria: |
JERÔNIMO, G. T.; MARTINS, M. L.; ISHIKAWA, M. M.; VENTURA, A. S.; TAVARES-DIAS, M. |
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Afiliação: |
GABRIELA TOMAS JERÔNIMO, Universidade Federal de Santa Catarina; MAURÍCIO LATERÇA MARTINS, Universidade Federal de Santa Catarina; MARCIA MAYUMI ISHIKAWA, CPAO; ARLENE SOBRINHO VENTURA, Faculdade Anhanguera; MARCOS TAVARES DIAS, CPAF-AP. |
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Título: |
Métodos para coleta de parasitos de peixes. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Macapá: Embrapa Amapá, 2011. |
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Páginas: |
6 p. |
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Série: |
(Embrapa Amapá. Circular técnica, 39). |
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ISSN: |
1517-4980 |
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Idioma: |
Português |
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Conteúdo: |
Insensibilização dos peixes; Dados biométricos; Sequência de procedimentos para coleta de parasitos de peixe; Detecção e métodos de fixação de parasitos de peixes; Preparação dos reagentes fixadores de parasitos; |
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Palavras-Chave: |
Disease; Doenças. |
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Thesagro: |
Aquicultura; Doença; Parasito de animal; Peixe; Piscicultura. |
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Thesaurus NAL: |
aquaculture; Fish. |
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Categoria do assunto: |
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L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/46620/1/AP-2011-Metodos-coleta-Circular.pdf
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Marc: |
LEADER 00969nam a2200301 a 4500
001 1905949
005 2022-10-06
008 2011 bl uuuu u0uu1 u #d
022 $a1517-4980
100 1 $aJERÔNIMO, G. T.
245 $aMétodos para coleta de parasitos de peixes.
260 $aMacapá: Embrapa Amapá$c2011
300 $a6 p.
490 $a(Embrapa Amapá. Circular técnica, 39).
520 $aInsensibilização dos peixes; Dados biométricos; Sequência de procedimentos para coleta de parasitos de peixe; Detecção e métodos de fixação de parasitos de peixes; Preparação dos reagentes fixadores de parasitos;
650 $aaquaculture
650 $aFish
650 $aAquicultura
650 $aDoença
650 $aParasito de animal
650 $aPeixe
650 $aPiscicultura
653 $aDisease
653 $aDoenças
700 1 $aMARTINS, M. L.
700 1 $aISHIKAWA, M. M.
700 1 $aVENTURA, A. S.
700 1 $aTAVARES-DIAS, M.
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