Abstract
This study investigated the environmental impact of offshore floating sea cages and the influence of runoff on cage fish farming in SE Gulf of California via the analysis of the physico-chemical profiles of the water column and sediments, located in SE Gulf of California, Mexico. Water and sediment samples were analyzed for physico-chemical parameters. In general, nitrates showed the highest concentrations of nutrients in the potential impact station (1.92 mg L-1). The results displayed temporal variations in the NH4+, NO3-, and PO43- in the water column as well as variations in the clay and organic matter in the sediment. The observed trends of these parameters were toward higher concentration in the potential impact and control stations.
Highlights
Marine finfish cage aquaculture has been developed in various regions of the world with great success (Price et al 2015)
No significant differences in water temperature, salinity, pH, and dissolved oxygen were found between the facility, potential impact, and control stations, but there were seasonal variations in these parameters (Table 1)
There were no significant differences in the temperature of the water column
Summary
Marine finfish cage aquaculture has been developed in various regions of the world with great success (Price et al 2015) This development has been accompanied by environmental risk. One of the main challenges facing sea-cage aquaculture is the impact of the wastes from sea farms on organisms in the surrounding areas (Price et al 2015). The impact of these wastes can be reduced through improved feed and proper location of farms (Grøttum & Beveridge 2007). The information on the environmental effects on off-coast farms is limited due to
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