Summary - Concepts - Chapter 5 Class 9 Geography - Natural Vegetation and Wildlife - Geography

Summary

• Natural vegetation refers to a plant community, which has grown naturally without human aid and has been left undisturbed by humans for a long time. This is termed virgin vegetation.
  
  
• The term flora denotes plants of a particular region or period.
  
  
• The species of animals are referred to as fauna.
  
  
•  The nature of the land influences the type of vegetation.
  
  
• Different types of soils provide the basis for different types of vegetation.
  
  
• The character and extent of vegetation are mainly determined by temperature along with humidity in the air, precipitation, and soil.
  
  
• The variation in the duration of sunlight at different places is due to differences in latitude, altitude, season, and duration of the day
  
  
• Forests are renewable resources and play a major role in enhancing the quality of the environment.
  
  
• They modify the local climate, control soil erosion, regulate stream flow, support a variety of industrie s, provide a livelihood for many communities, and offer a panoramic or scenic view for recreation.
  
  
• The following major types of vegetation may be identified in our country
  
  

1. Tropical Evergreen Forests 
   
   
2. Tropical Deciduous Forests 
   
   
3. Tropical Thorn Forests and Scrubs 
   
   
4. Montane Forests 
   
   
5. Mangrove Forest

• India has approximately 90,000 animal species,2,000 species of birds, and 2,546 species of fish.
• It also shares between 5 and 8 percent of the world’s amphibians, reptiles, and mammals .