Pollution in ocean is a major problem that is affecting the ocean and the rest of the Earth, too.Pollution in the ocean directly affects ocean organisms and indirectly affects human health and resources.Oil spills, toxic wastes, and dumping of other harmful materials are all major sources of pollution in the ocean.
Marine pollution is a combination of chemicals and trash,most of which comes from land sources and is washed
or blown into the ocean.
Some of the main causes for the marine pollution is as follows
• Ocean dumping
• Oil spills
• Ocean mining
• Noise pollution
Deliberate disposal of hazardous wastes at sea from vessels, aircraft, platforms or other human-made structures.
Eighty percent of marine pollution comes from land run off.
Contamination of seawater due to an oil pour, as a result of an accident or human error, is termed an oil spill.
Marine litter is not only ugly it can harm ocean ecosystems wildlife, and humans. It can gure coral reels and bottom dwelling species and entangle or drown ocean wildlife. Some marine animals ingest smaller plastic particles and choke or starve
Ocean Mining (Deep Sea Mining):
Mining under the ocean for gold, silver, copper, cobalt,etc is another source for ocean pollution.Deep sea mining could even make climate change worse. The disruption caused by the machines may release carbon stored in deep sea sediments.
Noise Pollution in the ocean:
Ocean noise refers to sounds made by human activities that can interfere with or obscure the ability of marine animals to hear natural sounds in the ocean.
Devastating Effects of Ocean Pollution:
1. Effect of Toxic Wastes on Marine Animals:
The oil spilled in the ocean could get on to the gills and feathers of marine animals, which makes it difficult for them to move or fly properly or feed their children.
2. Disruption to the Cycle of Coral
Oil spill floats on the surface of the water and prevents sunlight from reaching to marine plants and affects the process of photosynthesis.
3. Depletes Oxygen Content in Water:
When oxygen levels go down, the chances of survival of marine animals like whales, turtles, sharks, dolphins, penguins for a long time also goes down.
4. Failure in the Reproductive System of Sea Animals
Chemicals from pesticides can accumulate in the fatty tissue of animals, leading to failure in their reproductive system.
5. Effect on Food Chain:
Chemicals used in industries are ingested into small animals in the ocean and are later eaten by large animals, which then affects the whole food chain.
6. Affects Human Health:
Animals from impacted food chain are then eaten by humans, which affects their health as toxins from these contaminated animals get deposited in the tissues of people and can lead to cancer, birth defects or long term health problems.
Solutions to Ocean Pollution:
1. Reducing the Use of Plastic Products
2. Use Reusable Bottles and Cutlery
3. Recycle Whatever You Can
REDUCE DISCHARGE OF SEWA IN THE OCEAN
4. Stop Littering the Beach, and Start
5. Reducing the Use of Chemical Fertilize
6. Reducing the Energy Use
• We must help to stop ocean pollution, by recycling, using decomposable materials instead of plastic or glass to decrease our accumulating waste. Marine animals are suffering due to our actions, and if we do not put a halt to pollution soon, we too will suffer the consequences.
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