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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: |
09/10/2017 |
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Data da última atualização: |
17/10/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
AGUIAR JUNIOR, T. R.; BORTOLOZO, F. R.; ROSA FILHO, E. F.; PARRON, L. M.; LUZ, L. D.; BRITO, A. G.; FERREIRA, M. T. |
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Afiliação: |
Terencio R. Aguiar Junior, Bolsista da Embrapa Florestas; F. R. Bortolozo, University of Lisbon, School of Agronomy, Department of Natural Resources, Environment and Landscape, Portugal; E. F. Rosa Filho, University of Lisbon, School of Agronomy, Department of Natural Resources, Environment and Landscape, Portugal; LUCILIA MARIA PARRON VARGAS, CNPF; L. D. Luz, UFBA; A. G. Brito, University of Lisbon, School of Agronomy, Department of Biosystems Sciences and Engineering, Portugal; M. T. Ferreira, UFPR. |
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Título: |
Fate of selected agrochemicals in a tropical karst aquifer: a five-year study. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Groundwater for Sustainable Development, v. 5, p. 187-192, Sept. 2017. |
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DOI: |
http://dx.doi.org/10.1016/j.gsd.2017.06.008 |
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Idioma: |
Português |
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Conteúdo: |
Water contamination by agricultural pollutants is one of the major environmental problems for terrestrial and aquatic life on earth. Recent studies have demonstrated the contamination of karst aquifers by pesticides and agricultural nutrients. However, the predominant research does not adequately address the main destination of these compounds. Also, research is targeted primarily towards Europe and North America. The objective of this study is to assess the fate of selected pesticides along the saturated layers of a karst aquifer, located in a tropical area. During a five-year period, 48 monthly collections were conducted by extracting samples from 24 shallow wells (8?9 m depth) and 24 deep wells (55?60 m depth). A total of 2880 samples were obtained. For all samples physical-chemical and pesticide analyses were performed. We found the presence of atrazine, lambdacyhalothrin, lactofen, fluazifop-p-butyl, chlorpyrifos, nitrate and nitrogen agricultural nutrients. The wells with 8?9 m depth had the highest concentration of the compounds studied in relation to deeper wells at 55?60 m. A significant difference was found regarding the types of pesticide (p<0.05) when comparing shallow and deep wells. Nutrients were also monitored and a decrease in the total nitrogen concentration between the wells with a lower depth (42.9 mg L-1) and the deepest wells (1.2 mg L-1) is observed along the period 2008?2013. |
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Palavras-Chave: |
Aquífero; Karst aquifer. |
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Thesagro: |
Lençol freático. |
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Thesaurus Nal: |
Aquifers; Groundwater contamination; pesticides. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02260naa a2200277 a 4500
001 2076997
005 2017-10-17
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.gsd.2017.06.008$2DOI
100 1 $aAGUIAR JUNIOR, T. R.
245 $aFate of selected agrochemicals in a tropical karst aquifer$ba five-year study.$h[electronic resource]
260 $c2017
520 $aWater contamination by agricultural pollutants is one of the major environmental problems for terrestrial and aquatic life on earth. Recent studies have demonstrated the contamination of karst aquifers by pesticides and agricultural nutrients. However, the predominant research does not adequately address the main destination of these compounds. Also, research is targeted primarily towards Europe and North America. The objective of this study is to assess the fate of selected pesticides along the saturated layers of a karst aquifer, located in a tropical area. During a five-year period, 48 monthly collections were conducted by extracting samples from 24 shallow wells (8?9 m depth) and 24 deep wells (55?60 m depth). A total of 2880 samples were obtained. For all samples physical-chemical and pesticide analyses were performed. We found the presence of atrazine, lambdacyhalothrin, lactofen, fluazifop-p-butyl, chlorpyrifos, nitrate and nitrogen agricultural nutrients. The wells with 8?9 m depth had the highest concentration of the compounds studied in relation to deeper wells at 55?60 m. A significant difference was found regarding the types of pesticide (p<0.05) when comparing shallow and deep wells. Nutrients were also monitored and a decrease in the total nitrogen concentration between the wells with a lower depth (42.9 mg L-1) and the deepest wells (1.2 mg L-1) is observed along the period 2008?2013.
650 $aAquifers
650 $aGroundwater contamination
650 $apesticides
650 $aLençol freático
653 $aAquífero
653 $aKarst aquifer
700 1 $aBORTOLOZO, F. R.
700 1 $aROSA FILHO, E. F.
700 1 $aPARRON, L. M.
700 1 $aLUZ, L. D.
700 1 $aBRITO, A. G.
700 1 $aFERREIRA, M. T.
773 $tGroundwater for Sustainable Development$gv. 5, p. 187-192, Sept. 2017.
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Registro original: |
Embrapa Florestas (CNPF) |
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| Registros recuperados : 6 | |
| 2. |  | CALDERANO FILHO, B.; RAMALHO FILHO, A.; CALDERANO, S. B.; LUZ, L. D.; WITTERN, K. P.; MOTHCI, E. P. Avaliação da aptidão agrícola das terras da microbacia do Córrego da Tábua, no Município de São Fidélis, RJ. Rio de Janeiro: Embrapa Solos, 2004. 43 p. (Embrapa Solos. Boletim de pesquisa e desenvolvimento, 47).| Tipo: Boletim de Pesquisa e Desenvolvimento |
| Biblioteca(s): Embrapa Solos. |
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| 3. | | RASBOLD, G. G.; MCGLUE, M. M.; STEVAUX, J. C.; PAROLIN, M.; SILVA, A.; BERGIER, I.; LUZ, L. D. Microfossil and stratigraphic evidence for late quaternary paleoenvironmental changes at Lagoa Negra, Central Pantanal wetlands (Brazil). In: FALL MEETING, 2018, Washington, D.C. Abstracts... Washington, D.C: American Geophysical Union, 2018. Não paginado. AGU 2018. Session PP23D-1525.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pantanal. |
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| 4. | | AGUIAR JUNIOR, T. R.; BORTOLOZO, F. R.; ROSA FILHO, E. F.; PARRON, L. M.; LUZ, L. D.; BRITO, A. G.; FERREIRA, M. T. Fate of selected agrochemicals in a tropical karst aquifer: a five-year study. Groundwater for Sustainable Development, v. 5, p. 187-192, Sept. 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
| Biblioteca(s): Embrapa Florestas. |
|  |
| 5. | | CALDERANO FILHO, B.; ANDRADE, A. G. de; RAMALHO FILHO, A.; PRADO, R. B.; GONCALVES, A. O.; SOUZA, J. S. de; LUZ, L. D. Uso e cobertura das terras da área do entorno do reservatório da Usina Hidrelétrica de Tombos, no Estado de Minas Gerais. Rio de Janeiro: Embrapa Solos, 2005. 31 p. il. color. (Embrapa Solos. Boletim de pesquisa e desenvolvimento, 89).| Tipo: Boletim de Pesquisa e Desenvolvimento |
| Biblioteca(s): Embrapa Solos. |
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| 6. | | CALDERANO FILHO, B.; SANTOS, H. G. dos; CLAESSEN, M. E. C.; MOTCHI, E. P.; WITTERN, K. P.; LUZ, L. D.; CALDERANO, S. B.; CARVALHO JUNIOR, W. de; CHAGAS, C. da S. Levantamento semidetalhado dos solos da microbacia do Córrego da Tábua, no Município de São Fidélis, Rio de Janeiro. Rio de Janeiro: Embrapa Solos, 2004. 86 p. (Embrapa Solos. Boletim de pesquisa e desenvolvimento, 48).| Biblioteca(s): Embrapa Solos. |
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| Registros recuperados : 6 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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