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Registros recuperados: 5
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A STUDY OF THE IMPACT OF LAND USE AND OCCUPATION ON BASIN WATER QUALITY THROUGH MULTIVARIATE STATISTICS REA
Santos,Gilmar O.; Hernandez,Fernando B. T.; Ferraudo,Antonio S.; Vanzela,Luiz S.; Santos,Duílio J. O..
ABSTRACT Without effective actions to improve environmental management, water resources tend to become scarce. Thus, this study aimed to understand the processes influencing the physical, chemical, and biological properties of the water due to land uses and occupation in the Ipê stream basin, in Ilha Solteira - SP (Brazil), regarding the dependence of the analyzed variables. Monitoring of chemical, physical, and biological water quality was performed from 2006 to 2011, and the records of land use and occupation in 2011. A factorial multivariate analysis allowed us to understand that the processes in densely populated areas increased degradation of water by the input of organic loads, yet those of farming areas enhanced the degradation of the chemical and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Factor analysis; Irrigation; Land use and occupation; River basin.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000300453
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Environmental adaptation of the source of the subbasin of Rico Stream, Monte Alto - SP, Brazil REA
Pissarra,Teresa C. T.; Marcussi,Aline B.; Leão,Gilberto da R.; Galbiatti,João A.; Borges,Mauricio J.; Campos,Sergio.
The aim of this study was to define the photographic patterns that represent the use and occupation of the landcover of the "spring" of the Rico Stream subbasin, located at Monte Alto, state of São Paulo (SP), Brazil, for environmental adaptation regarding the Brazilian Forest Law. The mapping was performed using remote sensing techniques and visual interpretation of the World View image, followed by the digitalization of the net of drainage and vegetation (natural and agricultural) at the AutoCad software with documents and field work. The study area has 2141.53 ha and the results demonstrated that the main crop is sugarcane with 546.34 ha, followed by 251.22 ha of pastures, 191.71 ha of perennial crops, 57.31 ha of Eucalyptus and 49.52 ha of onion,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mapping; Land use and occupation; Vegetal coverage.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162013000200009
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Estoque de carbono e cálculo do índice de humidificação por espectroscopia de fluorescência induzida em áreas com palma de óleo: coleta, processamento e análise do solo. Repositório Alice
SILVA, A. K. L.; SEGNINI, A.; MILORI, D. M. B. P.; OLIVEIRA, M. E. de; MARTORANO, L. G.; VASCONCELOS, S. S.; SOUZA, A. M. L. de; RODRIGUES, S. J. S. C.; NUNES, H. G. G. C.; FACHINI, I. A.; CRESTANA, S..
SIAGRO 2014.
Tipo: Parte de livro Palavras-chave: Amazônia Oriental; Uso e ocupação do solo; Densidade do solo; Eastern Amazon; Land use and occupation; Palma de óleo; Oil palm.; Soil density..
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1003852
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Evaluation of an indicator for water yield in a watershed of Alto Rio Grande Region, State of Minas Gerais , Brazil REA
Mattos,Roberto de; Silva,Antônio M. da; Coelho,Gilberto; Mello,Carlos R. de; Rezende,José L. P. de.
The Brazilian Law stipulates that water is a limited natural resource doted of economic value, thus it is necessary to develop mechanisms for its adequate management. Actions that encourage the farmers to apply soil conservation practices with the purpose of increase water yield from springs and to promote improvement of its quality, reducing production of sediment transportation, is being encouraged by governments, even with financial compensation for owners. From these assertions, this study aims to quantify the benefits of the conservation actions of the management units and to characterize a Water Yield Indicator (WYI) to support sustainable actions in the watershed of Alto Rio Grande region, in the state of Minas Gerais (MG). To assess the impact of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Land use and occupation; Water resources management; Water producer program.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000400009
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RESIDUE ANALYSIS OF ORGANOCHLORINE AND ORGANOPHOSPHORUS PESTICIDES IN URBAN LAKE SEDIMENTS REA
Cembranel,Adir S.; Frigo,Elisandro P.; Sampaio,Silvio C.; Mercante,Erivelto; Reis,Ralpho R. Dos; Remor,Marcelo B..
ABSTRACT The knowledge of pesticide residual concentrations in the environment is important to understand the threats to the environment and human health, especially when natural resources are used for human consumption. In this context, this study aimed to assess the potential ecological risk and respective sources of sediment contamination by organochlorine and organophosphorus pesticides. The study site was an urban lake located in Cascavel city, western Paraná state, Brazil, where the history of land use and occupation in the urban environment is typically agricultural. Surface sediment samples were collected every three months from April 2010 to June 2013 at five different collection points, totaling 65 samples. Analyses showed that contamination by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agrochemicals; Ecological risk; Land use and occupation.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000601254
Registros recuperados: 5
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