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Rev. biol. mar. oceanogr. 53(2): 223-235

http://dx.doi.org/10.22370/rbmo.2018.53.2.1295

Environmental variability at a marine cage culture operation in the Matanchén Bay, SE Gulf of California, Mexico

Eulalio Arámbul1, Sergio G. Castillo-Vargasmachuca1, Jesús T. Ponce-Palafox1*, Federico Páez-Osuna2, José Luis Arredondo-Figueroa3 and Héctor M. Esparza-Leal4

1Programa de Posgrado de Maestría en Ciencias Biológico Agropecuarias, Laboratorio de Bioingeniería Costera, Universidad Autónoma de Nayarit, Tepic, Nayarit, México 63000
2Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Unidad Académica Mazatlán, Joel Montes Camarena s/n, Mazatlán, Sinaloa, México 82040
3Universidad Autónoma de Aguascalientes, Posta Zootécnica, Jesús María, Aguascalientes, México 20131
4Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, Boulevard Juan de Dios Bátiz Paredes #250, Guasave, Sinaloa, México 81101

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Resumen

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.

Palabras clave

Marine aquaculture, environmental impact, water quality, sediment quality
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