(a)
It is the total mass of plant life that occupies a given area.
(b)
Explain how the folowing factors influence the distribution of vegetation:
(i) relief
-High altitude areas have low temperature which encourage scanty / no
vegetation / low altitude areas have moderate temperature which encourage
dense vegetation.
-Gently sloping areas are well drained hence encouraging dense vegetation
growth / steep slopes experience excessive drainage that discourage plant
ii)SOILS
-vegetation/infertile soils have insufficient nutrients leading to scanty
vegetation.
-Medium textured soils are well drained thus support a variety of plants /dense
vegetation / coarse / fine textured soils
are poorly drained leading to scanty / no vegetation.
-Deep soils enable the penetration of long roots thereby supporting trees / thin
soils support vegetation of shallow roots thereby supporting grass vegetation
-Flat areas tend to be water logged hence covered by swampy plant species.
(C) Describe the characteristics of the savanna vegetation region.
-Vegetation is a mixture of trees and grass.
-The dominant type of vegetation is grass.
-In the wetter areas the vegetation consists of tall scattered trees, woodland.
-The wetter areas have a continuous cover of long thick grass.
-In the drier areas trees are shorter, fewer and scattered.
-In the drier areas the grass is short and coarse/tuft.
-Most trees are umbrella shaped crown.
-Most trees are acacia.
Vicky001 answered the question on September 20, 2017 at 19:29
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