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Registro Completo |
Biblioteca(s): |
Embrapa Florestas; Embrapa Solos. |
Data corrente: |
04/04/2013 |
Data da última atualização: |
20/02/2014 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
TAUBE, P. S.; HANSEL, F. A.; MADUREIRA, L. A. dos S.; TEIXEIRA, W. G. |
Afiliação: |
Paulo S. Taube, UFSC; FABRICIO AUGUSTO HANSEL, CNPF; Luiz A. dos Santos Madureira, UFSC; WENCESLAU GERALDES TEIXEIRA, CNPS. |
Título: |
Organic geochemical evaluation of organic acids to assess anthropogenic soil deposits of Central Amazon, Brazil. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Organic Geochemistry, v. 58, p. 96-106, 2013. |
Idioma: |
Inglês |
Conteúdo: |
Terra Preta de Índio (TPI) and Terra Mulata (TM) are anthropogenic soils from the Amazon region and are rich in stable organic matter (OM). The formation and incorporation of OM in these soils has recently been under investigation. Organic geochemical analysis is an appropriated tool for the assessment of the sources of OM. Therefore, we have used the distribution of different acid classes preserved in the free and bound soil fractions of 12 samples from two contrast ing anthropogenic soils (TPI, TM) and an adjacent soil, in order to infer the sources of OM and the magnitude of non-cultural influence on the formation of anthropog enic soils. The major acids in both fractions (i.e. free and bound) were n-saturated, branched and unsaturated alkanoic acids, hydroxyalkanoic acids, bile acids and lignin/suberin derived aromatic acids. In general, the acids in the free and bound fractions appeared to be complementary and together provided valuable information about OM incorporation into anthropogenic soils. Different incorpor ation of x -hydroxyalkanoic acids (C22 ,C24 and C28) and 9(10), 16-ihydroxyhexadecanoic acid, and presence/absence of bile acid showed a distinct genesis for the soils. The influence of modern vegetation was revealed by bound x -hydroxyalkanoic acid (C22, C24 and C28 ) distributions only in the topsoilprofiles of TPI and TM, indicating that organic geochemical analysis is a useful approach in the investigation of ancient human deposits in tropical archaeological soils. MenosTerra Preta de Índio (TPI) and Terra Mulata (TM) are anthropogenic soils from the Amazon region and are rich in stable organic matter (OM). The formation and incorporation of OM in these soils has recently been under investigation. Organic geochemical analysis is an appropriated tool for the assessment of the sources of OM. Therefore, we have used the distribution of different acid classes preserved in the free and bound soil fractions of 12 samples from two contrast ing anthropogenic soils (TPI, TM) and an adjacent soil, in order to infer the sources of OM and the magnitude of non-cultural influence on the formation of anthropog enic soils. The major acids in both fractions (i.e. free and bound) were n-saturated, branched and unsaturated alkanoic acids, hydroxyalkanoic acids, bile acids and lignin/suberin derived aromatic acids. In general, the acids in the free and bound fractions appeared to be complementary and together provided valuable information about OM incorporation into anthropogenic soils. Different incorpor ation of x -hydroxyalkanoic acids (C22 ,C24 and C28) and 9(10), 16-ihydroxyhexadecanoic acid, and presence/absence of bile acid showed a distinct genesis for the soils. The influence of modern vegetation was revealed by bound x -hydroxyalkanoic acid (C22, C24 and C28 ) distributions only in the topsoilprofiles of TPI and TM, indicating that organic geochemical analysis is a useful approach in the investigation of ancient human deposits in tropical archaeologi... Mostrar Tudo |
Palavras-Chave: |
Antropogenic soil; Organic acid; Solo antropogênico; Terra Mulata; Terra Preta de Índio. |
Thesagro: |
Solo. |
Thesaurus Nal: |
Amazonia. |
Categoria do assunto: |
-- P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02227naa a2200241 a 4500 001 1980677 005 2014-02-20 008 2013 bl uuuu u00u1 u #d 100 1 $aTAUBE, P. S. 245 $aOrganic geochemical evaluation of organic acids to assess anthropogenic soil deposits of Central Amazon, Brazil.$h[electronic resource] 260 $c2013 520 $aTerra Preta de Índio (TPI) and Terra Mulata (TM) are anthropogenic soils from the Amazon region and are rich in stable organic matter (OM). The formation and incorporation of OM in these soils has recently been under investigation. Organic geochemical analysis is an appropriated tool for the assessment of the sources of OM. Therefore, we have used the distribution of different acid classes preserved in the free and bound soil fractions of 12 samples from two contrast ing anthropogenic soils (TPI, TM) and an adjacent soil, in order to infer the sources of OM and the magnitude of non-cultural influence on the formation of anthropog enic soils. The major acids in both fractions (i.e. free and bound) were n-saturated, branched and unsaturated alkanoic acids, hydroxyalkanoic acids, bile acids and lignin/suberin derived aromatic acids. In general, the acids in the free and bound fractions appeared to be complementary and together provided valuable information about OM incorporation into anthropogenic soils. Different incorpor ation of x -hydroxyalkanoic acids (C22 ,C24 and C28) and 9(10), 16-ihydroxyhexadecanoic acid, and presence/absence of bile acid showed a distinct genesis for the soils. The influence of modern vegetation was revealed by bound x -hydroxyalkanoic acid (C22, C24 and C28 ) distributions only in the topsoilprofiles of TPI and TM, indicating that organic geochemical analysis is a useful approach in the investigation of ancient human deposits in tropical archaeological soils. 650 $aAmazonia 650 $aSolo 653 $aAntropogenic soil 653 $aOrganic acid 653 $aSolo antropogênico 653 $aTerra Mulata 653 $aTerra Preta de Índio 700 1 $aHANSEL, F. A. 700 1 $aMADUREIRA, L. A. dos S. 700 1 $aTEIXEIRA, W. G. 773 $tOrganic Geochemistry$gv. 58, p. 96-106, 2013.
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Registro original: |
Embrapa Florestas (CNPF) |
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Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
10/11/1997 |
Data da última atualização: |
31/08/2017 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
RACHWAL, M. F. G.; CURCIO, G. R.; DEDECEK, R. A.; STEIN, P. P.; OLIVEIRA, J. G. de. |
Afiliação: |
Rachwal, Curcio, Dedecek, pesquisadores da Embrapa Florestas. |
Título: |
Desenvolvimento e produção de madeira de Acacia mearnsii em solos derivados de micaxistos no município de Piratini - RS. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 26., 1997, Rio de Janeiro. Informacao, globalizacao, uso do solo: anais. Rio de Janeiro: Sociedade Brasileira de Ciencia do Solo, 1997. CD Rom. |
Idioma: |
Português |
Palavras-Chave: |
Production. |
Thesagro: |
Acácia Mearnsii; Acácia Negra; Madeira; Produção. |
Thesaurus NAL: |
wood. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/163293/1/1997-Rachwal-CBCS-Desenvolvimento-e-producao....pdf
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Marc: |
LEADER 00817nam a2200217 a 4500 001 1303401 005 2017-08-31 008 1997 bl uuuu u00u1 u #d 100 1 $aRACHWAL, M. F. G. 245 $aDesenvolvimento e produção de madeira de Acacia mearnsii em solos derivados de micaxistos no município de Piratini - RS.$h[electronic resource] 260 $aIn: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 26., 1997, Rio de Janeiro. Informacao, globalizacao, uso do solo: anais. Rio de Janeiro: Sociedade Brasileira de Ciencia do Solo, 1997. CD Rom.$c1997 650 $awood 650 $aAcácia Mearnsii 650 $aAcácia Negra 650 $aMadeira 650 $aProdução 653 $aProduction 700 1 $aCURCIO, G. R. 700 1 $aDEDECEK, R. A. 700 1 $aSTEIN, P. P. 700 1 $aOLIVEIRA, J. G. de
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