Holding Systems

The types of impoundments or holding systems used in aquaculture are determined by the requirements of the particular species and by the production and management practices being employed. Typical systems include ponds, raceways, tanks, and cages. Although construction materials for the various types of holding systems differ depending on specific requirements, they should have general characteristics, including being corrosion resistant, nontoxic, with smooth and nonabrasive surfaces, strong and lightweight, resistant to ultraviolet radiation, and low in cost (5,6). Typically, no material satisfies all criteria optimally, and selection is based on the particular constraints of a given project.

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