"In mountainous area, there is change in the natural vegetation with increasing altitude and
decreasing temperature". Justify by giving examples from different zones.
Answers
Answer:
If altitude increases the temperature decreases. Therefore the vegetation give rise to Tropical to Subtropical Temprate and Alpine vegetation. For eg. in montane forests altitude increases then temperature decreases. Tropical forests need temperature between 24 degree Celsius to 17 degree Celsius. And Subtropical need 17 degree Celsius. And Temprate forests need 17 degree Celsius to 7 degree Celsius. At last the Alpine vegetation needs below 7 degree Celsius. If altitude increases the difference of heights of trees also occurred.
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The northern slopes of the hills in Himalayan region are at high altitude and have low temperature or are snow covered. This does not allow much vegetation. In the southern part of the hills there are plains and valleys watered by rivers and with fertile soil and pleasant temperature levels all required for dense growth of vegetation.