Cage aquaculture in the ocean ouputs large amounts of waste into the surrounding environment. The effluent from the cages has elevated levels of nutrients, waste feed, feces and by-products such as medications for the fish. The effluent has a negative impact on the local environment. The degree of impact depends on the water movement around the cages, the assimilation capacity of the environment around the cages and the rate at which the effluent is produced. The effects of effluent on the environment is considered inconsequential to the inputs from industry and agriculture however. That being said, the ocean floor around the cages tend to be hypereutrophic and completely anoxic up to the surface. They release sulfides and other toxins into the water as a result of reduction in the anoxic conditions of the excess organics in the sediment. The long term effects of these conditions are not known. There are no standards by which to compare internationally the effects of the......

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Title: Summary:Cage Aquaculture's Environmental Effects
Approximate Word Count: 653
Approximate Pages: 3 (250 words per double-spaced page)

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