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Type: Artigo de periódico
Title: A new water quality index for protection of aquatic life appllied to the Atibaia River, Region of Campinas/Paulinia cities - Sao Paulo State.
Author: da Silva, GS
Jardim, WDF
Abstract: In this paper a water quality index is developed to subsidize management actions in the Atibaia River for upon protection of aquatic organisms. This index is composed of two measurable environmental parameters normaly, ammonia and dissolved oxygen, the latter representing the contribution of organic matter. Concentrations of these two variables were normalized on a scale from 0 to 100 and translated into statements of quality (excellent, good, regular, bad and very bad). The index was applied to three monitoring points in the Atibaia River and compared to other indices used by the State of Sao Paulo Environmental Agency (CETESB). The results showed that the degradation in this watershed follows the urban population density. The developed index is more restricted than the other ones routinely used to infer water quality.
Subject: water quality index
Atibaia River
ammonia and dissolved oxygen
Country: Brasil
Editor: Soc Brasileira Quimica
Rights: aberto
Date Issue: 2006
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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