Mapeamento do uso do Solo na Bacia Hidrográfica do Rio Quaraí sob a Perspectiva da Orizicultura e a demanda de Água Associada nas Porções Brasileira e Uruguaia
DOI:
https://doi.org/10.5902/2179460X12277Keywords:
Água, Orizicultura, Bacia hidrográfica, Rio QuaraíAbstract
O aumento das áreas de cultivo de arroz irrigado na bacia hidrográfica do Rio Quaraí, localizado na porção meridional do Brasil, fazendo fronteira com o Uruguai, tem desencadeado uma importante questão a respeito da demanda de água e a gestão integrada entre este dois países. As disparidades entre os dois territórios se formulam como um dificultador e também como um desafio para a execução de políticas eficazes, que contemplem o respeito a condicionantes econômicos, ambientais, sociais e também diplomáticos. O mapeamento de uso do solo da área permitiu analisar de forma espacial a questão desta demanda, como também a intensidade do uso nas porções brasileira e uruguaia.
Constatou-se que o uso predominante na bacia hidrográfica é de campos e pastagens, entretanto quando realizada uma análise separada das porções uruguaia e brasileira, se observou que o uso, principalmente associado à orizicultura é mais intenso na porção brasileira, sendo possível observar as dessemelhanças da área ocupada por esta atividade nos dois países. Da mesma forma, a demanda por água para suprir o cultivo na porção brasileira é maior, embora territorialmente seja menor que a porção uruguaia.
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