What Are the Biggest Overfishing Problems?


Quick Answer

According to ScienceDaily.com, overfishing causes the depletion of fish and an ecological shift leading to a low rate of biological growth, death of seabirds, unsustainable fisheries and poor thriving of microorganisms. Overfishing also disrupts the supply of proteins and contributes to unemployment within the fishery industry globally.

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Full Answer

Overfishing occurs when fish stocks decrease below the acceptable levels as predefined by fishing regulatory bodies. Overfishing limits the ability of nature to restore natural fisheries, which causes an imbalance in energy flow within marine ecosystems. Global demand for fish rises due to overfishing, resulting in an increase in fish prices. Overfishing is becoming a major environmental concern because it has increased significantly in the past years. A decline in fish harvest from natural fisheries increases the cost of rehabilitating fish stocks and managing artificial or aquaculture fish production.

Overfishing also causes a decline in marine species that depend on fish for survival, such as dolphins and turtles. Overfishing can be prevented by maintaining scientifically determined catch limits, using effective fishing techniques to prevent unintentional killing and effective monitoring and enforcement of fishing policies. Regulations that restrict fishing gear or equipment can also be used to prevent fishermen from catching young fish. Sustainable fisheries can be achieved if the rate of reproduction is higher than the rate of harvesting.

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