Marine Pollution: Causes and Solutions Essay

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As the world develops and the human population grows there is more pollution being dumped into the oceans, causing major problems to marine life and ecosystems. Major causes of marine pollution involve non-point pollutants, marine garbage, toxic ocean pollutants and sewage disposal in oceans. From heavy metal poisoning including lead and mercury killing predators such as sharks and whales, to waste getting trapped in the digestive tracts of marine animals, this essay focuses on how human interference causes horrifying problems to the marine life, but also how to fix it. It will also explore the normal activities of people including farming and how this can cause an imbalance in an ecosystem. Everyday activities can cause massive nutrient …show more content…
PCB’s (polychlorinated biphenyls) and dioxins have been in focus recently as there are concerns that the different structures are appearing to mimic the effects of female oestrogenic hormones. (Gray 1996) These chemicals can cause genetic chromosomal problems and major concerns to the reproductive effectiveness of marine animals. Oil spills and the burning of wood and coal can cause poly-aromatic hydrocarbons (PAHs), which has a negative effect on all wildlife causing genetic abnormalities. (EMCBTAP-ENVIS Newsletter 2002).

Global Warming
Global warming is a major problem when providing a suitable habitat and lifestyle for ample marine life. With sea levels rising there are consequences to plant life in coastal wetlands that can not handle the amount of water being provided. The wetlands are important in their job to protect the species they contain and for stabilizing coastlines. Storms are increasing in magnitude and severity, causing the transport of nutrients to marine life to be disturbed. As shores move further inland animals will have to move and adapt, history has shown how this can decrease populations. In the future both rare and abundant species could become locally extinct, with rare species on the verge of becoming totally extinct.

Marine garbage
Another cause of marine pollution is the discarding of garbage into oceans, rivers and dams. The situation is a major problem causing harm to marine life and ecosystems all over the world. Old
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