Causes Of Marine Pollution Essay

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Marine Pollution & its Sources

Marine Pollution is caused when harmful or even potentially harmful chemicals, particles, industrial, agricultural and residential waste, noise or may be even invasive species enter the ocean and disrupt the whole system. The maximum amount of substances that result to marine pollution originates in the land and then flow to the ocean due to the rivers carrying the waste substances and then depositing them on the ocean bed itself which constitute of almost 80% of the total ocean pollution taking place. Air pollution is also responsible for degrading the ocean water quality by carrying the dirt and pesticides off the coast. Both land and air pollution have jointly hampered the sanctity of the marine environment …show more content…

These metals can totally degenerate the tissue matter, biochemistry, behavior, reproduction & might also suppress the growth and prosperity of marine life. Many animal feeds contain high fish meals or fish hydrolysate content. Thus the toxins found in the marine ecosystem is carried forward and transferred to land animals then transferring themselves to meat and dairy products reaching the higher levels of food webs and then humans as well.

Sources of Marine Pollution:
Generally there are three types of inputs of pollution into the ocean which includes direct discharge of waste into the ocean, runoff due to rain & pollutants that are air borne.

 Direct Discharge – there are pollutants that are directly discharged from urban sewerage and industrial waste discharges which might be toxic and hazardous into the seas. Another source of marine pollution is from the inland mining of gold and copper (a common industrial pollutant which interferes with the life and development of coral polyps). Much of the materials carried by the rivers are soil which ends up in the ocean floor. As per the US Environmental Protection Agency (USEPA) mining is responsible for contamination of headwater portions up to 40% in the western continental US with most of the pollutants taken to the

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