Chapter Notes and Summary
• Natural vegetation means plants that grow naturally without human interference.
• Natural vegetation can be categorised into three categories namely; forest, grassland and desert.
• change in type of natural vegetation occurs mainly because of changes of climatic conditions.
• Forests grow where temperature and rainfall are plentiful to support a tree cover.
• Forests are classified into—tropical evergreen forests, tropical deciduous forests, temperate evergreen forests, temperate deciduous forests, mediterranean vegetation and coniferous forests.
• Grasslands are found in regions of moderate rainfall. They are of two types—tropical grasslands, which have tall coarse grass, and temperate grasslands.
• Tropical grassland of Africa is called Savannah.
• Temperate grasslands are in mid-latitudes and are called prairies, steppes, etc. Grass is usually short here.
• Thorny bushes are found in dry desert like regions.
• Mosses, lichens and very small Shrubs are found in cold regions. This is called tundra type vegetation.