Himalayas The Himalayas consist of the youngest and loftiest mountain chains in the world. The plants are mostly xerophytic.
The aggradational Great Plains cover about In the extreme south, however, it is somewhat wider along the south Sahyadri. The physiogeographic scenery varies greatly from arid and semi-arid landscapes of the Rajasthan Plains to the humid and per-humid landscapes of the Delta and Assam valley in the east.
Rice is the main crop of these areas. Clarks recognized 11 botanical regions from India while Hooker divided into 9. Some of the islands are fringed with coral reefs. The Deccan plateau is surrounded by the western and the eastern ghats.
The Himalayas consist of the youngest and loftiest mountain chains in the world. Here the wild relatives of cultivated plants such as banana, mango, citrus and pepper can be grown Islands[ edit ] The two groups of islands, i.
The vegetation is tropical thorny forest in semi arid zone and typically desert in the arid region as Xerophytic e. Most of the Western Ghat endemic plants are associated with evergreen forests.
Mangrove and beech forest at its coasts and evergreen forests of tall trees in the interior. The aggradational Great Plains cover about Apart from biological diversity, the region boasts of high levels of cultural diversity, as many indigenous people inhabit its forests.
The forests are very dense with extensive growth of grass and evergreen tall trees. The east coast plains, in contrast are broader due to depositional activities of the east-flowing rivers owing to the change in their base levels.
Babul, Kikar, wild palm grows in areas of moderate rainfall. The evergreen forests include trees like Dipterocarpus macrocarpa, Shorea robusta, Ficus elastica etc grasses like Saccharum sp.
Beyond the temperate zone extends alpine zone up to m. The natural vegetation is thorn forest. According to a recent classification done by the Wild-Life Institute of India, the country has ten biogeographic zones: Sariska and Ranthombore reserve park is situated on them with sq.
Trans-Himaylayas The trans-himalayas is an extension to the Tibetean plateau. Gir lion is famous all over the world. These islands have a highly diverse set of biomes and occupy 0.
Rainfall is less than 70 cms. The Himalayas comprise of a diverse range of biotic provinces and biomes. It has several species of orchids, bamboos, ferns and other plants.
Spread over 3, 59, sq.
These ghats meet each other at the Nilgiri hills. It covers about 5. The original vegetation of the ill-drained valley bottoms with sluggish streams in elevations below m would be often a special formation, the Myristica swamp.
There is no vegetation above the snowline. It includes regions of Sikkim and NEFA and is characterized by more rainfall, less snow and high temperature. Coasts India has a coastline extending over 5, kms.
The climate is characterised by very hot and dry summer and cold winter. These forests comprise the plants Shorea robusta, Acacia catechu, Dalbergia sissoo, Terminalia, Albizia, Dendrocalamus etc. The original vegetation of the ill-drained valley bottoms with sluggish streams in elevations below m would be often a special formation, the Myristica swamp.Biogeographical classification in india 1.
9/8/ 1 [email protected] 2. OVERVIEW • Trans Himalayan zone. • Himalayan zone • Desert zone. • Semiarid zone. • Western ghat zone.
• Deccan plateau zone. • Gangetic plain zone. • North east zone.
• Coastal zone. • Islands present near the shore line. 9/8/ 3. Nov 01, · India has different climate and topography in different parts and hence is termed as a mega diversity country.
India occupies 10th place among plant rich countries of the world. It is essential to acquire knowledge about the distribution and environmental interaction of flora and fauna of India. BiogeographicalClassification of India 2. India, being a vast country, shows a great diversity in climate, topography and geology and hence the country is very rich in terms of biological diversity.
Megadiverse countries • India is one of 18 megadiversity countries of the world • The megadiverse countries are a group of countries that harbor the majority of the Earth's species and are therefore.
Biogeographic classification of India topic. Biogeographic classification of India is the division of India according to biogeographic characteristics. Biogeography is the study of the distribution of species (biology), organisms, and ecosystems in geographic space and through geological time.
There are ten biogeographic zones in India. Biogeography is the study of the biosphere and of human effects on plants and animals. According to a recent classification done by the Wild-Life Institute of India, the country has ten biogeographic zones: 1.
Trans-Himalayan Region. The Himalayan ranges immediately north of the Great Himalayan range are called the Trans- Himalayas.Download