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IELTS Free Online Writing Practice - Discuss the impact of pollution on freshwater ecosystems.

IELTS.WORK Free Online Writing Practice # 1712303076

IELTS Writing Task 2 Topic: Discuss the impact of pollution on freshwater ecosystems.

Model Answer:

Pollution is a major global issue that has far-reaching consequences for the environment, human health, and the economy. Freshwater ecosystems, which are essential for the survival of countless species and the provision of various ecological services, have been significantly impacted by pollution. This essay will discuss the causes, effects, and potential solutions to address this issue in freshwater ecosystems.

The primary sources of pollution in freshwater ecosystems include industrial waste, agricultural runoff, sewage discharge, and plastic waste. These pollutants introduce harmful substances into the water system, disrupting the natural balance and causing a decline in water quality. For example, excess nutrients from fertilizers in agricultural runoffs can lead to eutrophication, which results in algal blooms and depleted oxygen levels, ultimately killing aquatic life.

The consequences of pollution in freshwater ecosystems are multifaceted and far-reaching. Firstly, it leads to the decline or extinction of various species, affecting biodiversity and disrupting the food chain. For instance, the introduction of invasive species through polluted waterways can outcompete native species for resources, resulting in a loss of genetic diversity and ecosystem resilience. Secondly, the contamination of drinking water sources poses health risks to human populations, as many freshwater ecosystems provide potable water. Lastly, the loss of ecological services such as water purification, flood control, and habitat provision due to pollution can have significant economic consequences, particularly for communities that rely on freshwater resources for their livelihoods.

To mitigate the impact of pollution in freshwater ecosystems, a multi-faceted approach is necessary. Governments and industries must invest in advanced waste treatment technologies to reduce pollutant discharges into water bodies. Additionally, sustainable agricultural practices such as precision farming, crop rotation, and organic fertilizers should be promoted to minimize nutrient runoffs. Public awareness campaigns are also essential to encourage responsible consumption habits, particularly regarding plastic waste disposal.

In conclusion, pollution in freshwater ecosystems poses a significant threat to the health of aquatic life, human populations, and the environment. It is crucial for stakeholders to work collaboratively towards implementing effective solutions that reduce pollutant discharges and protect these vital ecosystems. By investing in sustainable practices and raising public awareness, we can ensure the long-term health and resilience of freshwater environments and the services they provide.

Score (IELTS Scoring Standards):

Task Response: 9 - The response addresses all parts of the question prompt and demonstrates a comprehensive understanding of the topic.

Coherence & Cohesion: 8.5 - The essay is well-structured, with clear transitions between ideas and logical progression. There are some minor repetitions or inconsistencies in the presentation.

Lexical Resource: 9 - The language used is varied and sophisticated, demonstrating a wide range of vocabulary and accurate use of grammar and syntax.

Precision: 8.5 - The essay provides accurate information on the topic and offers detailed explanations. There may be some minor inaccuracies or over-generalizations.

Overall Band Score (rounded to the nearest whole number): 8.7

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