IELTS Free Online Writing Practice - QuestionIn recent years, the issue of pollution has become a matter of increasing global concern. Discuss the impact of pollution on freshwater ecosystems, and suggest ways in which human activities can be regulated to reduce this harmful effect.
IELTS.WORK Free Online Writing Practice # 1713080018
Question:In recent years, the issue of pollution has become a matter of increasing global concern. Discuss the impact of pollution on freshwater ecosystems, and suggest ways in which human activities can be regulated to reduce this harmful effect.
Model Answer:
Pollution in freshwater ecosystems has emerged as one of the most pressing environmental issues worldwide. The escalating levels of industrialization, urbanization, and agricultural practices have significantly contributed to the degradation of these delicate systems. This essay will discuss the various ways in which pollution impacts freshwater ecosystems, followed by suggestions on how human activities can be regulated to mitigate this damage.
Firstly, the introduction of pollutants such as heavy metals, pesticides, and nutrients into freshwater bodies disrupts the natural balance of aquatic ecosystems. Heavy metals, for instance, accumulate in the tissues of organisms, causing a range of health problems and, in extreme cases, death. Similarly, the excessive use of pesticides has led to the contamination of water sources with harmful chemicals that can adversely affect the food chain, ultimately impacting human health. Moreover, the influx of nutrients, predominantly nitrogen and phosphorus, from agricultural runoff leads to an overgrowth of algae, known as eutrophication. This process depletes dissolved oxygen in the water, resulting in mass mortality events for various aquatic species.
Secondly, pollution also threatens the biodiversity of freshwater ecosystems. The introduction of invasive species due to polluted water bodies disrupts the native food chain and predator-prey relationships. Additionally, habitat destruction caused by human activities such as dam construction and deforestation further exacerbates the loss of biodiversity in these fragile ecosystems.
In order to minimize the harmful effects of pollution on freshwater ecosystems, several measures can be implemented. Stricter environmental regulations should be enforced to limit industrial discharges and agricultural runoffs. Moreover, the adoption of sustainable practices such as wastewater treatment, recycling, and reusing water resources are essential in mitigating pollution levels. Public awareness campaigns and educational programs can also play a significant role in promoting environmentally-friendly practices among communities.
In conclusion, pollution has far-reaching consequences on freshwater ecosystems, affecting their health, biodiversity, and overall sustainability. To tackle this pressing issue, concerted efforts must be made by governments, industries, and individuals to regulate human activities that contribute to pollution. Through a combination of stricter regulations, sustainable practices, and public education, it is possible to preserve these vital ecosystems for future generations.
Score:
- Task Response (3): The response addresses all parts of the task, providing a comprehensive analysis of the topic.
- Coherence and Cohesion (4): The essay is well-structured and logically organized. Transitions are used effectively to connect ideas and maintain a smooth flow of thought.
- Lexical Resource (3): The language used is generally appropriate for the task, with some words or phrases slightly overused. There may be minor inaccuracies in grammar or punctuation.
- Grammatical Range and Accuracy (4): The essay demonstrates a wide range of grammatical structures and complex sentence formation. Some minor errors in grammar or punctuation are present, but they do not detract from the overall understanding of the text.
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