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Effluents of Shrimp Farms and Its Influence on the Coastal Ecosystems of Bahía de Kino, Mexico

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      The impact on coastal ecosystems of suspended solids, organic matter, and bacteria in shrimp farm effluents is presented. Sites around Bahía de Kino were selected for comparative evaluation. Effluent entering Bahia Kino (1) enters Laguna La Cruz (2). A control site (3) was outside the influence of effluents. Water quality samples were collected every two weeks during the shrimp culture period. Our data show that the material load in shrimp farm effluents changes biogeochemical processes and aquatic health of the coastal ecosystem. Specifically, the suspended solids, particulate organic matter, chlorophyll a, viable heterotrophic bacteria, and Vibrio-like bacteria in the bay and lagoon were two- to three-fold higher than the control site. This can be mitigated by improvements in the management of aquaculture systems.

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       J. ZAR,  JH Zar,  J Zar (1999)
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        Effect of aquaculture on world fish supplies.

        Global production of farmed fish and shellfish has more than doubled in the past 15 years. Many people believe that such growth relieves pressure on ocean fisheries, but the opposite is true for some types of aquaculture. Farming carnivorous species requires large inputs of wild fish for feed. Some aquaculture systems also reduce wild fish supplies through habitat modification, wild seedstock collection and other ecological impacts. On balance, global aquaculture production still adds to world fish supplies; however, if the growing aquaculture industry is to sustain its contribution to world fish supplies, it must reduce wild fish inputs in feed and adopt more ecologically sound management practices.
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          The state of world fisheries and aquaculture


            Author and article information

            1Instituto Tecnológico de Sonora (ITSON), 85000 Ciudad Obregón, SON, Mexico
            2Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora (DICTUS), 83000 Hermosillo, SON, Mexico
            3Centro de Investigaciones Biológicas del Noroeste, S.C. (CIBNOR, S.C.), 85454 Guaymas, SON, Mexico
            4Universidad Estatal de Sonora (US), 85800 Navojoa, SON, Mexico
            Author notes
            *José A. Arreola-Lizárraga: aarreola04@

            Academic Editors: F. Amezcua-Martínez, M. G. Frias-Espericueta, J. R. Ruelas-Inzunza, M. F. Soto-Jimenez, and M. Teichberg

            The Scientific World Journal
            Hindawi Publishing Corporation
            2 June 2013
            : 2013
            Copyright © 2013 Ramón H. Barraza-Guardado et al.

            This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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