Suppose you visit your native village after about 10 years. The village lies in a semi arid region and receives rainfall of 500 mm. Traditionally in the farming village, the villagers used to practice mixed cropping of sorghum, pearl millet, pigeon pea, chickpea, and groundnut. But over the last 15 years, they have shifted to paddy (rice) cultivation in over 90% of the farming land. There are three small lakes in the village, but the farmers rely on tube-wells for irrigation. When you took a tour of the village, you found that two of the lakes have dried up while the surface of the third lake is covered with an overgrowth of algae.
A. Explain the reasons for the condition of the three lakes. Also, suggest measures that the villagers need to adopt to restore these wetlands to their original condition.
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