Public health risks and consumer resistance (microbial diseases, red tides, industrial pollution rough weather losses seed shortages market competition especially for export produce failures, social disruption.ģ. Coastal bivalve culture (mussels, oysters, clams, cockles) May occupy formerly pristine reefs rough weather losses market competition conflicts/failures, social disruption.Ģ. Possible environmental Impacts of aquaculture Another possibility is that aquaculture developed from ancient practices for trapping fish, with the operations steadily improving from trapping-holding to trapping-holding-growing, and finally into complete husbandry practices (Ling, 1977). It is speculated that the techniques for keeping fish in ponds originated in China with fishermen who kept their surplus catch alive temporarily in baskets submerged in rivers or small bodies of water created by damming one side of a river bed. It began in China, possibly due to the desires of an emperor to have a constant supply of fish. AQUACULTURE METHODS AND PRACTICES: A SELECTED REVIEWĪquaculture has a tradition of about 4 000 years.
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