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Table 1 Physical and chemical analysis of water at two sites in São Marcos Bay (Brazil)

From: A histopathological and biometric comparison between catfish (Pisces, Ariidae) from a harbor and a protected area, Brazil

Parameters Reference (A1) Contaminated (A2)
  Dry period * Rainy period y Dry period * Rainy period y
Temperature (°C) 30.5 29.5 30.5 29.5
Salinity (UPS) 15 14 19 18
pH 7.98 7.99 7.94 7.94
OD (mg/L O2) 6.0 6.1 4.9 5.1
Aluminum (mg/L) 0.02 0.02 0.1 0.1
Cadmium (mg/L) 0.001 0.001 0.007 0.006
Lead (mg/L) 0.001 0.000 0.02 0.02
Chromium (mg/L) 0.08 0.07 0.02 0.1
Iron (mg/L) 0.01 0.01 0.07 0.07
Mercury (mg/L) 0.000 0.000 0.001 0.001
  1. *Dry period = August 2011; yRainy period = February 2012.