The opaque oil film reduces the quality of light and affects the sea-air exchange so that the sea reduce the oxygen yield which cause marine lives death of suffocation. It is indicate from science research that one kilogram of oil oxidated complete needs all the oxygen that dissolve in the 400 thousand liters of sea water. Shortage of oxygen may cause the aquatic animal and aquatic plant such as zooplankton，fish, shrimp，shellfish，coral and their eggs and larvas' death of suffocation。The oil film can destroy totally all the surrounding sea fishery especially to seashell and breed aquatics. Not only ecology fishery, but also maritime tour, maritime mining and maritime transportation are damaged badly.

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