NCERT Important Quzestions Class 9 Social Science Geography Chapter 5
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Chapter 5 Natural Vegetation and Wild Life
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Why the southern slopes in Himalayan region are covered with thick vegetation cover as compared to northern slopes of the same hills?
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The southern slopes in Himalayan region are covered with thick vegetation as
compared to northern slopes due to its relief and rainfall. The variation in duration of sunlight at different places due to differences in latitude, altitude, season and duration of the day affect the growth of vegetation. The southern slopes have longer duration of sunlight which help trees to grow faster in summer. The northern slopes have no such advantage. Therefore, the southern slopes in Himalayan region are covered with thick vegetation cover as compared to the northern slopes of tire same hills.