This statistic just shows how diverse and enigmatic the ocean is. Despite the ocean’s abundance of marine life and complex ecosystem, it is being destroyed by fisheries. How are these fisheries destroying the ecosystem of the ocean? The answer is overfishing. Overfishing is the depletion of fish stock by too much fishing.
Oceans are polluted by oil daily from oil spills, routine sea shipping, runoffs, and dumping oil straight into the ocean. An oil spill is the discharge of petroleum into habitats by vehicles, vessel or pipelines. It occurs extensively and it mostly takes place in water bodies. It happens due to human carelessness. Spilled oil can harm marine animals because its chemical components are poisonous.
In this essay, I will argue that the practice of shark finning should be illegal in China as it results in major impacts on the oceanic environment. Shark finning is a practice of cutting a shark’s fins off the rest of the body whilst the shark is alive. Once the fins are successfully cut off, the rest of the body is thrown back into the ocean where it begins to die slowly. “It is estimated that 100 to 200 million sharks annually are killed” for a Chinese dish known as shark fin soup. Shark finning majorly affects the oceanic environment’s plant life and its food chain.
As you can see, all the CO2 emissions that we produce are theoretically decreasing the oceans biodiversity and this can be a threat to some aquatic animals. Now we can get to the main disadvantage, which is the threat of the aquatic animals
Sea turtles often eat plastic bags instead of jellies. This cost for turtle a life, as plastic causes a blockage within digestive system. But this is only the beginning. Spots made of plastic cover for Sunlight cannot penetrate through plastic garbage into the water, algae and plankton, which is the bottom of the food chain, may simply die out. The situation can quickly turn into a global crisis.
Pollutants from factories, cars, boats, and litter are all the things humans use to pollute the bay. The bay contains a high amount of phosphorus and nitrogen. Phosphorus and nitrogen are needed for organisms and plants to be able to survive. However, an excess amount of phosphorus and nitrogen degrade the quality of Chesapeake bays water. Phosphorus and nitrogen feed algae blooms that block sunlight to the underwater bay grass and leaving a low supply of oxygen in the water.
Melissa Ramessar TA: John August 20th 2015 Lab section M 13 The effect on decreasing numbers in the shark population Summary There is a rapid increase of rays, skates and numerous small pieces as a result of the decrease of sharks along the eastern seaboard. As a result of intense fishing of sharks in the northwest Atlantic over the past few decades, the shellfish populations such as scallops and Chesapeake bay oysters are decreasing. One of the contributions to the 73 million sharks killed each year is due to the supply of fins need to make the Chinese delicacy shark fin soup. According to Charles Peterson, a marine sciences biology and ecology professor at the University of North Carolina, between 1970 to 2005; there was a 97 percent decrease in the scalloped hammerhead and tiger sharks along the east coast. During that time, 14 different prey species’ populations increased.
Sharks are driven to extinction because people want to eat their fins which serves no purpose to humans; shark fins have no nutritional value or serve any medicinal purpose. Finning is the inhumane practice of cutting off all of the shark’s fins and throwing the body back into the ocean. The sharks either drown are eaten by bigger fish or starve to death. Soon sharks are going to become extinct because of the 100 millions of sharks killed every year. If shark finning continues it will throw off the biodiversity of earth.
This tells us that the main cause of plastic waste in the ocean is the inability of common people to dispose of their waste properly. Also, sewage or polluting substances that go to the ocean from rivers and different bodies of water are contributing factors. Plastics even have chemical nutrients that go to the ocean’s ecosystem. The chemical nutrients reduce the oxygen level of the ocean that affects plants, animals and ocean life. Waste is thrown directly into the ocean causing a huge
You all have been hearing don’t pollute your whole life, but it still happens. Pollution is a huge problem especially in the ocean, the ocean plays a vital role to our survival and with all polluting it, it causes problems for us in the long run. Pollution causes a lot of damage to the ecosystems that live in the ocean and the ocean itself. When the oil spill happened in the Gulf of Mexico that was a bad disaster, that was man made that hurt an ecosystem in ocean. All that oil spread throughout the ocean causing a lack of sunlight to penetrate through the water deep making it hard for plants to grow and or prosper.