INDIAN GEOGRAPHY

Detailed explanation-1: -Desert environments are so dry that they support only extremely sparse vegetation; trees are usually absent and, under normal climatic conditions, shrubs or herbaceous plants provide only very incomplete ground cover.

Detailed explanation-2: -“Desertscrub” is a general term that includes several desert plant communities occurring usually at elevations below 3, 500 feet. These are the areas of hot summers, mild winters, and low (9 inches or less) and irregular rainfall. Going without rain for a year or more is not unusual in deserts.

Detailed explanation-3: -Deserts are arid ecosystems that receive fewer than 25 centimeters (10 inches) of precipitation a year.

Detailed explanation-4: -In true deserts rainfall is less than 12 centimeters per year, while in extreme deserts it is less than 7 centimeters per year.