3. Results
3.1. Characterization of groundwater
The groundwater used to fill the ponds had an electrical conductivity of 1074 μscm
−1
, which was equivalent to a salinity of approximately 0.65 g L
−1
79M.M. Mariscal-Lagarda et al. / Aquaculture 366-367 (2012) 76–84
of total dissolved solids (TDS)