Gujarat BoardEnglish MediumSTD 7ScienceForests : Our Lifeline3 Marks
Question
Explain how forests prevent floods?
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Answer
Rainwater does not stagnate in the forest as the upper most layer of the forest canopy intercepts the flows of raindrops. This results in most of the water coming down through the branches and the stems of the tree. The forest acts as a natural absorber of rainwater and allows it to seep.
It helps to maintain the water table throughout the year. Forests not only help in controlling floods, but also help to maintain the flow of water in the streams, so that we get a steady supply of water. In the absence of plants/trees, the soil will not hold water which will cause flood and soil erosion.
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