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Multi-criteria analysis in the strategic environmental assessment of the sugar and alcohol sector

2012; Editora da Universidade Estadual de Maringá (Eduem); Volume: 34; Issue: 3 Linguagem: Inglês

10.4025/actascitechnol.v34i3.11525

1807-8664

Dulce Buchala Bicca Oliveira, Dulce Buchala Bicca Rodrigues, Luciana Ferreira da Silva, Paulo Tarso Sanches de Oliveira,

Water Quality and Pollution Assessment

The Strategic Environmental Assessment (SEA) of the sugar and alcohol sector guides a territorial and sectoral planning that benefits most of the local society and supports this economic activity in all its stages. In this way, the present work aims to determine an index of aggregation of the indicators generated in the baseline of the SEA process, called Index of Sustainability of Expansion of the Sugar and Alcohol Sector (IScana). For this, it was used the normalization of the indicators of each city by the fuzzy logic and attribution of weights by the Analytic Hierarchy Process (AHP). Then, the IScana values had been spatialized in the region of 'Grande Dourados'– Mato Grosso do Sul State. The northern portion concentrated the highest values of IScana, 0.48 and 0.55, referring to the cities of Nova Alvorada do Sul and Rio Brilhante, while, in the central portion, the city of Dourados presented the lowest value, 0.10. The selection of the set of indicators forming the IScana, and their relative importance, was satisfactory for the application of fuzzy logic and AHP techniques. The IScana index supplies objective information regarding the diagnosis of the region for the application of SEA.