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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
17/11/2016 |
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Data da última atualização: |
17/07/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ZEILHOFER, P.; CALHEIROS, D. F.; OLIVEIRA, M. D. de; DORES, E. F. G. de C.; LIMA, G. A. R.; FANTIN-CRUZ, I. |
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Afiliação: |
PETER ZEILHOFER, Universidade Federal de Mato Grosso; DEBORA FERNANDES CALHEIROS, DGP; MARCIA DIVINA DE OLIVEIRA, CPAP; ELIANA FREIRE GASPAR DE CARVALHO DORES, Universidade Federal de Mato Grosso; GILSON ALBERTO ROSA LIMA, Universidade Federal de Mato Grosso; IBRAIM FANTIN-CRUZ, Universidade Federal de Mato Grosso. |
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Título: |
Temporal patterns of water quality in the Pantanal floodplain and its contributing Cerrado upland rivers: implications for the interpretation of freshwater integrity. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Wetlands Ecology and Management, v. 24, n. 6, p. 697-716, 2016. |
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DOI: |
10.1007/s11273-016-9497-8 |
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Idioma: |
Inglês |
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Conteúdo: |
Water quality time series available for major tropical floodplains commonly have low temporal resolutions and irregular sampling frequencies. Here we examine such data using singular spectrum analysis, a non-parametric time series analysis technique, to assess the typical cyclical variations and long-term trends in upland Cerrado and lowland floodplain reaches of three rivers that are tributaries to the Pantanal in Brazil to evaluate ecological state and impact level, and develop recommendations for improved monitoring of Cerrado?Pantanal river systems. Both upland and lowland reaches have their average water quality cycles linked to a monocyclical hydrological regime. Amplitudes of nutrient concentrations (N, P) and Turbidity are higher in the uplands, whereas cyclical oxygen variations are up to two times higher in the floodplain reaches. SSA showed that trend extraction is possible for parameters with lower intra-annual variations and were found to be partially opposing (oxygen) in upland (negative trend) and floodplain (positive trend) stations. Land use intensification in the uplands is reflected by N concentrations in upland reaches. In the floodplain, the Paraguay river was found under a slight TN enrichment regime of about 0.02 mg L−1 per year between 1995 and 2009. Assuming a fixed budget for institutional water quality monitoring, we recommend a reduction of the 150 registered sampling gauges by environmental agencies in the Brazilian Pantanal and its contribution area, 95 % of them with less than four samples per year, in favor of using the same resources for increased sampling frequency at a smaller number of sites. MenosWater quality time series available for major tropical floodplains commonly have low temporal resolutions and irregular sampling frequencies. Here we examine such data using singular spectrum analysis, a non-parametric time series analysis technique, to assess the typical cyclical variations and long-term trends in upland Cerrado and lowland floodplain reaches of three rivers that are tributaries to the Pantanal in Brazil to evaluate ecological state and impact level, and develop recommendations for improved monitoring of Cerrado?Pantanal river systems. Both upland and lowland reaches have their average water quality cycles linked to a monocyclical hydrological regime. Amplitudes of nutrient concentrations (N, P) and Turbidity are higher in the uplands, whereas cyclical oxygen variations are up to two times higher in the floodplain reaches. SSA showed that trend extraction is possible for parameters with lower intra-annual variations and were found to be partially opposing (oxygen) in upland (negative trend) and floodplain (positive trend) stations. Land use intensification in the uplands is reflected by N concentrations in upland reaches. In the floodplain, the Paraguay river was found under a slight TN enrichment regime of about 0.02 mg L−1 per year between 1995 and 2009. Assuming a fixed budget for institutional water quality monitoring, we recommend a reduction of the 150 registered sampling gauges by environmental agencies in the Brazilian Pantanal and its contrib... Mostrar Tudo |
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Palavras-Chave: |
Rio Paraguai. |
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Thesagro: |
Qualidade da água; Rio. |
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Thesaurus Nal: |
Paraguay River; water quality; Water quality analysis. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02514naa a2200265 a 4500
001 2056480
005 2017-07-17
008 2016 bl uuuu u00u1 u #d
024 7 $a10.1007/s11273-016-9497-8$2DOI
100 1 $aZEILHOFER, P.
245 $aTemporal patterns of water quality in the Pantanal floodplain and its contributing Cerrado upland rivers$bimplications for the interpretation of freshwater integrity.
260 $c2016
520 $aWater quality time series available for major tropical floodplains commonly have low temporal resolutions and irregular sampling frequencies. Here we examine such data using singular spectrum analysis, a non-parametric time series analysis technique, to assess the typical cyclical variations and long-term trends in upland Cerrado and lowland floodplain reaches of three rivers that are tributaries to the Pantanal in Brazil to evaluate ecological state and impact level, and develop recommendations for improved monitoring of Cerrado?Pantanal river systems. Both upland and lowland reaches have their average water quality cycles linked to a monocyclical hydrological regime. Amplitudes of nutrient concentrations (N, P) and Turbidity are higher in the uplands, whereas cyclical oxygen variations are up to two times higher in the floodplain reaches. SSA showed that trend extraction is possible for parameters with lower intra-annual variations and were found to be partially opposing (oxygen) in upland (negative trend) and floodplain (positive trend) stations. Land use intensification in the uplands is reflected by N concentrations in upland reaches. In the floodplain, the Paraguay river was found under a slight TN enrichment regime of about 0.02 mg L−1 per year between 1995 and 2009. Assuming a fixed budget for institutional water quality monitoring, we recommend a reduction of the 150 registered sampling gauges by environmental agencies in the Brazilian Pantanal and its contribution area, 95 % of them with less than four samples per year, in favor of using the same resources for increased sampling frequency at a smaller number of sites.
650 $aParaguay River
650 $awater quality
650 $aWater quality analysis
650 $aQualidade da água
650 $aRio
653 $aRio Paraguai
700 1 $aCALHEIROS, D. F.
700 1 $aOLIVEIRA, M. D. de
700 1 $aDORES, E. F. G. de C.
700 1 $aLIMA, G. A. R.
700 1 $aFANTIN-CRUZ, I.
773 $tWetlands Ecology and Management$gv. 24, n. 6, p. 697-716, 2016.
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Registro original: |
Embrapa Pantanal (CPAP) |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
20/12/2023 |
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Data da última atualização: |
20/12/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SANTOS, E. M. dos; SIQUEIRA, I. M. G.; FONSECA, C. E. L. da; CARMONA, R.; PESSOA FILHO, M. A. C. de P. |
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Afiliação: |
ÉRIKA MOREIRA DOS SANTOS, Universidade de Brasilia; IANNY MARCELLY GOMES SIQUEIRA, União Pioneira de Integração Social; CARLOS EDUARDO LAZARINI DA FONSECA, CPAC; RICARDO CARMONA, Universidade de Brasília; MARCO AURÉLIO CALDAS DE PINHO PESSO, CPAC. |
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Título: |
Produtividade de forragem, qualidade bromatológica e parâmetros genéticos em uma população de famílias de meios-irmãos de braquiária ruziziensis (Urochloa ruziziensis). |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE ZOOTECNIA, 32., 2023. Resumos... Natal, 2023. |
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Idioma: |
Português |
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Notas: |
Resumo. Zootec2023. |
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Conteúdo: |
O objetivo do trabalho foi avaliar a produtividade e qualidade bromatológica de 200 famílias de meios-irmãos de U. ruziziensis. As famílias foram avaliadas em experimento de blocos casualizados, com três repetições e 8 plantas por parcela. |
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Palavras-Chave: |
Espectroscopia. |
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Thesagro: |
Bromatologia; Forragicultura; Melhoramento Genético Vegetal; Pastagem. |
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Thesaurus NAL: |
Urochloa ruziziensis. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1160109/1/zootec-Marco-Aurelio-Caldas-de-Pinho-Pessoa-Filho.pdf
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Marc: |
LEADER 01105nam a2200241 a 4500
001 2160109
005 2023-12-20
008 2023 bl uuuu u00u1 u #d
100 1 $aSANTOS, E. M. dos
245 $aProdutividade de forragem, qualidade bromatológica e parâmetros genéticos em uma população de famílias de meios-irmãos de braquiária ruziziensis (Urochloa ruziziensis).$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE ZOOTECNIA, 32., 2023. Resumos... Natal$c2023
500 $aResumo. Zootec2023.
520 $aO objetivo do trabalho foi avaliar a produtividade e qualidade bromatológica de 200 famílias de meios-irmãos de U. ruziziensis. As famílias foram avaliadas em experimento de blocos casualizados, com três repetições e 8 plantas por parcela.
650 $aUrochloa ruziziensis
650 $aBromatologia
650 $aForragicultura
650 $aMelhoramento Genético Vegetal
650 $aPastagem
653 $aEspectroscopia
700 1 $aSIQUEIRA, I. M. G.
700 1 $aFONSECA, C. E. L. da
700 1 $aCARMONA, R.
700 1 $aPESSOA FILHO, M. A. C. de P.
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