Environment entails the total surrounding of an organism in a given area, which comprises both the physical environment, climatic and other factors. The sphere of environment is grouped into four parts namely. (i) Atmosphere (ii) Hydrosphere (iii) Lithosphere (iv) Biosphere.
Serves as source of timber Promotes livestock farming. Serves as fuel wood. Serves as source of raw materials. Serves as tourist centres. Generates employment opportunities.
The major vegetation types of the world are: Tropical Rain forest. The Savanna grassland. Tropical Monsoon forest. Temperate deciduous forest. The Mediterranean Forest or Broad — leaved Evergreen. Coniferous Forest or Taga. Temperate grassland. viii. Tundra vegetation etc.
Factors that affect Vegetation growth are: i. Climatic factors – temperature, humidity, precipitation and wind. ii. Edaphic factors – this of course is related to soil types and their various properties. iii. Biotic factors: This is related to the activities of living organisms like man and animals. Human activities here can be in the form …
1. Natural Vegetation – plants species grow naturally according to the physical environment. 2. Man-made Vegetation – plants species are planted by man for a purpose. It is also called re-afforestation.
VEGETATION: Vegetation is the living mantle of plants, which cover much of land surface forming an important aspect of the physical environment. It can also mean an association where plants grow together in a particular habitat.