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Aquaculture issues • escaping of aquatic crops as an invasive species • the relationship between effluents, eutrophication or pollution of water bodies, and changes in the fauna of receiving waters • land use, in particular conversion of sensitive areas such as mangroves and wetlands • water use and water loss from surface water systems • overexploitation of stock over other resource uses, such as fish oil • predator control, such as the killing of birds near aquaculture facilities • genetic alteration of existing stocks from escaped hatchery products • antibiotic and hormone use, which may influence aquatics species near aquaculture facilities b) EPA’s aquaculture threat list Exotic Species Human Bias Habitat Loss and Degradation Overexploitation Aquaculture Pollution