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IELTS Free Online Writing Practice - Overfishing The Greatest Threat to Marine Ecosystems?

IELTS.WORK Free Online Writing Practice # 1711117271

Task 2 Topic: Overfishing - The Greatest Threat to Marine Ecosystems?

Question: "Is overfishing the greatest threat to marine ecosystems?"

Model Answer:

Overfishing, as a critical issue affecting marine ecosystems, has been a subject of extensive debate among environmentalists, scientists, and policymakers. While it is true that overfishing poses significant challenges to marine life, this essay will argue that other factors, such as habitat destruction, climate change, and pollution, also contribute significantly to the decline of marine ecosystems.

Firstly, habitat destruction due to human activities such as coastal development and construction of dams disrupts the natural habitats of marine species, leading to a loss of biodiversity. For instance, the construction of the Three Gorges Dam in China has led to a drastic reduction in fish populations by obstructing migratory routes for endangered species like the Chinese sturgeon.

Secondly, climate change is another factor that affects marine ecosystems. Rising ocean temperatures lead to the bleaching of coral reefs and disrupt the delicate balance of marine food chains. The Great Barrier Reef, one of the world's most significant marine habitats, has experienced severe bleaching events due to rising sea temperatures, resulting in massive loss of coral cover and subsequent decline in fish populations.

Lastly, pollution is a silent killer of marine ecosystems. Plastic waste, chemicals, and oil spills contaminate the water and food chain, causing health problems and deaths among various marine species. The recent Deepwater Horizon oil spill in the Gulf of Mexico serves as an alarming example of the devastating impact of pollution on marine life.

In conclusion, while overfishing is undoubtedly a severe threat to marine ecosystems, it is essential to recognize that habitat destruction, climate change, and pollution also play significant roles in the decline of these fragile environments. Thus, a comprehensive approach that addresses all these factors should be adopted to ensure the survival of marine ecosystems for future generations.

Overall Score: Band 8.5 (The model answer is well-structured and provides a balanced argument. It presents counterarguments effectively and concludes with a strong recommendation. The vocabulary used is advanced, and the grammar is mostly accurate, but there are minor errors that could be improved.)

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