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IELTS Free Online Writing Practice - Is overfishing the greatest threat to marine ecosystems?

IELTS.WORK Free Online Writing Practice # 1711274480

Writing Task 2 Topic: "Is overfishing the greatest threat to marine ecosystems?"

Model Answer:
Overfishing has undoubtedly emerged as a major concern for marine ecosystems in recent years. While there are indeed other factors that contribute to the degradation of these ecosystems, such as pollution and climate change, it is essential to evaluate whether overfishing remains the primary threat among them. In this essay, I will argue that while overfishing certainly plays a significant role in endangering marine life, other issues should not be overlooked.

To begin with, overfishing has led to a dramatic decline in fish populations worldwide. This is primarily due to the use of unsustainable fishing practices, such as bottom trawling and driftnetting, which result in the indiscriminate capture of vast amounts of marine species, regardless of their commercial value. As a consequence, certain fish stocks have become severely depleted, threatening the delicate balance within marine food chains.

Moreover, overfishing has far-reaching implications for both aquatic biodiversity and ecosystem stability. The loss of apex predators, such as sharks and tuna, due to unsustainable fishing practices disrupts the natural predator-prey relationships within marine habitats. This imbalance can have cascading effects on the entire food web, leading to a decline in species diversity and ecosystem resilience.

However, it is important not to disregard the impact of other threats to marine ecosystems, such as pollution and climate change. For instance, plastic waste in the ocean poses a significant risk to marine life, as many species mistake these materials for food, leading to ingestion and entanglement. Similarly, rising ocean temperatures due to climate change can alter the distribution and migration patterns of marine species, disrupting their reproductive cycles and habitat requirements.

In conclusion, while overfishing is a critical concern that requires immediate attention and sustainable solutions, it would be erroneous to consider it the sole threat to marine ecosystems. It is essential for policymakers, environmentalists, and the general public to recognize and address the multifaceted challenges facing our oceans, in order to preserve their biodiversity and ecological health for future generations.

Score: Band 9

This model answer is well-structured and effectively argues that overfishing is a significant threat to marine ecosystems, but not the sole one. The essay provides relevant background information on the impacts of overfishing, as well as an acknowledgement of other factors such as pollution and climate change. The conclusion highlights the need for a comprehensive approach in order to protect these fragile systems, which is consistent with the IELTS Band 9 criteria.

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