Ocean Pollution Essay

2574 Words Oct 31st, 2008 11 Pages
Ocean Pollution “Over 80% of marine pollution comes from land-based activities” (WWF, May 4, 2006, p.1). The rest comes from ocean-based activities. Different types of pollution enter the ocean each year. The major pollutants are oil, toxic materials, and debris. These materials not only pollute the ocean, but they also affect the marine life. Before the 1970s there were no laws to prevent and stop people from dumping pollutants into the ocean. Since the early 1970s many laws and regulations have been passed to help protect the ocean. People have set up organizations. These organizations go as far to have beach clean ups and offer several tips for people to do their homes that will help keep the ocean clean. Ocean pollution is …show more content…
This happens all the time. Exhaust from all vehicles goes into the atmosphere. It comes back down as rain or snow and is washed out to the ocean. Another major source of transportation of oil pollution is small boats and jet skis. According to Farrington these account for 2.2% of oil pollution in North American oceans. Toxic materials are another source of ocean pollution. The first types of toxic chemicals that end up in the ocean are fertilizers, pesticides, and manure. Fertilizers that are used for farm and lawn care are a problem for coastal areas. The fertilizer gets to the ocean from runoff. Eutrophication is caused when the nutrients from the fertilizer gets into the ocean. It is the flourishing of algal blooms that deplete the water’s dissolved oxygen and suffocate marine life. This
Ocean Pollution 6 has created spots in the ocean where there is no animal life. Pesticides are another problem for the ocean. It enters the ocean the same way that the fertilizers do, through run off. It also comes from farms and lawns. They can also reach the ocean when a plane flies to apply the pesticides to fields. This is known as spray drift. Pesticides are used to kill insects, but it is also toxic for fish and birds. According to NOAA today’s pesticides do not build up in the tissues of animals to the extent that older compounds like DDT did. This is the bioaccumulation. Today the compounds used are toxic at very