Tropical Thorn Forests


Climatic Conditions

  • Annual rainfall is less than 75 cm.
  • Humidity is less than 50 per cent.
  • Mean temperature is 25°-30°C.



  • The trees are low (6 to 10 metres maximum) and widely scattered.
  • Acacias and Euphorbias are very prominent.
  • The Indian wild date is common. Some grasses also grow in the rainy season.



  • Rajasthan, south-western Punjab, western Haryana, Kachchh and neighbouring parts of Saurashtra.
  • Here they degenerate into desert type in the Thar desert.
  • Such forests also grow on the leeside of the Western Ghats covering large areas of Maharashtra, Karnataka, Telangana, Andhra Pradesh and Tamil Nadu.
  • The important species are neem, babul, cactii, etc.