Effects of blue revolution
Answers
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The most important effects are ecological, and are associated with the conversion of natural ecosystems into intensively managed aquacultural ecosystems. For example, the conversion of tropical mangrove forest into aquacultural facilities for the raising of shrimp or prawns results in an extensive loss of natural habitat. This conversion has important consequences for native species, and it may damage offshore ecosystems through increased rates of siltation and pollution. In addition, aquaculture operations often degrade local water quality in various ways. Oxygen concentrations may be lowered to unacceptably small concentrations because of the consumption of this gas during the decomposition of waste feed and animal feces. Other impacts are associated with toxic chemicals that are applied to aquaculture cages in order to prevent them from being colonized or eaten by marine organisms. Local waters and species may also become contaminated with antibiotics and other medicines that may be used to keep animal crops healthy. In addition, non-native species may escape from aquaculture and establish themselves in new habitats, possibly competing with or degrading the habitat of native species.
