由于长时期的过度滥捕,我国海域各渔场渔业资源严重衰退,有些经济鱼类已殆尽。为遏制海洋渔业资源衰退势头,增加经济鱼类的资源量,我国政府相关部门积极引导渔民转业、转产,发展网箱养殖,以满足人民群众对鱼的需求。然而,网箱养殖在取得经济效益的同时,也在破坏着水域生态环境 Due to excessive over-fishing over a long period of time, the fishery resources of various fisheries in the sea area of ​​China have been seriously declining, and some economic fish have been depleted. In order to curb the declining momentum of marine fishery resources and increase the resources of economic fish, relevant departments of our government actively guide fishermen to switch jobs, convert and develop cage culture to meet people’s demand for fish. However, cage culture is economically beneficial at the same time, but also undermine the ecological environment of the waters