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The Times of India

World

TOI World Desk

In 1984, Wisconsin scientists divided a lake in half and acidified one side to mimic acid rain; bass stopped reproducing, and the fishery collapsed

Wisconsin Fish Pollution United States EPA

In northern Wisconsin, scientists divided a lake in two and acidified one half to study the long-term effects of pollution on freshwater ecosystems. The experiment at Little Rock Lake began in 1984 and was followed by decades of monitoring and recovery studies. The objective of scientists was to study the impact of acid rain - a real ecological danger because of air pollution due to factories, coal-powered power stations, and others. The fish population decreased, bass stopped multiplying, and so on.

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