Artigo
Avaliação do efeito da piscicultura em sistemas aquáticos em Assis e Cândido Mota, São Paulo, por indicador de qualidade da água e análise estatítica multivariada
Fecha
2007-01-01Registro en:
Química Nova. Sociedade Brasileira de Química, v. 30, n. 8, p. 1835-1841, 2007.
0100-4042
10.1590/S0100-40422007000800008
S0100-40422007000800008
S0100-40422007000800008.pdf
5323771001380189
3264480044529380
0000-0002-4631-2400
Autor
Universidade Estadual de Londrina (UEL)
Universidade Estadual Paulista (Unesp)
Resumen
In this work, the impact of fish farming activities on the Queixada, Macuco and Pari-Veado Rivers in the Paranapanema watershed was evaluated. Physical, chemical and microbiological parameters were quantified in these aquatic systems followed by application of multivariate statistical analysis (MSA) and water quality index (WQI) tools. Watersheds where fish farming activities are predominant presented WQI > 52 indicating good quality, whereas MSA demonstrated bad quality for these aquatic bodies. The results showed that the degradation in this watershed follows the fish farming activity. The MSA index is more restricted than the National Foundation Sanitation (NFS) index routinely used to infer water quality.