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Present the name of four types plants found in the world according to climatic nature and their characteristics.

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The 5 Types of Natural Vegetation in India and Their Charactersitics:

Tropical Evergreen Forests  source 

  • The tropical evergreen forests usually occur in areas receiving more than 200 cm of rainfall and having a temperature of 15 to 30 degrees Celsius. 
  • They occupy about seven per cent of the earth’s land surface and harbours more than half of the world’s plants and animals. 
  • They are found mostly near the equator. Region is warm and wet throughout the year. 
  • Trees reach great heights up to 60 metres or even above. 
  • It has a luxuriant vegetation of all kinds – trees, shrubs, and creepers giving it a multilayered structure.

Tropical Deciduous Forests:

  • It found in areas receiving rainfall between 200 and 100 cm. 
  • Exist mostly in the eastern part of the country – northeastern states, along the foothills of the Himalayas, Jharkhand, West Orissa and Chhattisgarh, and on the eastern slopes of the Western Ghats. 
  • Teak is the most dominant species of this forest. 
  • Bamboos, sal, shisham, sandalwood, khair , kusum, arjun, mulberry are other commercially important species.

The Thorn Forests and Scrubs: 

  • In regions with less than 70 cm of rainfall, the natural vegetation consists of thorny trees and bushes. 
  • Found in the north­western part of the country including semi­arid areas of Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Uttar Pradesh and Haryana. 
  • Acacias, palms, euphorbias and cacti are the main plant species. 
  • Trees are scattered and have long roots penetrating deep into the soil in order to get moisture. 
  • The stems are succulent to conserve water. 
  • Leaves are mostly thick and small to minimize evaporation

Montane Forests: 

  • In mountainous areas, the decrease in temperature with increasing altitude leads to the corresponding change in natural vegetation. 
  • As such, there is a succession of natural vegetation belts in the same order as we see from the tropical to the tundra region. 
  • The wet temperate type of forests are found between a height of 1000 and 2000 metres. 
  • Evergreen broad­leaf trees such as oaks and chestnuts predominate. 
  • Between 1500 and 3000 metres, temperate forests containing coniferous trees like pine, deodar, silver fir, spruce and cedar, are found. and they cover mostly the southern slopes of the Himalayas, places having high altitude in southern and north­east India. 
  • At higher elevations, temperate grasslands are common. 
  • At high altitudes, generally more than 3,600 metres above sea­ level, temperate forests and grasslands give way to the Alpine vegetation. 
  • Silver fir, junipers, pines and birches are the common trees of these forests. 
  • They get progressively stunted as they approach the snow­line and are used extensively for grazing by nomadic tribes like the Gujjars and the Bakarwals. 
  • At higher altitudes, mosses and lichens form part of tundra vegetation. 
  • Common animals found in these forests are Kashmir stag, spotted dear , wild sheep, jack rabbit, Tibetan antelope, yak, snow leopard, squirrels, Shaggy horn wild ibex, bear and rare red panda, sheep and goats with thick hair.

Mangrove Forests: 

  • Found in the areas of coasts influenced by tides. 
  • Mud and silt get accumulated on such coasts. 
  • Dense mangroves are the common varieties with roots of the plants submerged under water. 
  • The deltas of the Ganga, the Mahanadi, the Krishana, the Godavari and the Kaveri are covered by such vegetation. 
  • In the Ganga Brahmaputra delta, sundari trees are found, which provide durable hard timber. 
  • Palm, coconut, keora, agar, also grow in some parts of the delta. 
  • Royal Bengal Tiger is the famous animal in these forests. 
  • Turtles, crocodiles, gharials and snakes are also found in these forests.

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