Vegetation of Sikkim for Sikkim PSC

Vegetation of Sikkim Sikkim provides a great variety of habitats, that support and sustains rich Flora and Fauna. The Vegetation of Sikkim changes from tropical to subtropical upwards through middle hills with much coniferous and Oak forests of temperate character to the higher slopes with sub alpine scrub and alpine “meadows” generally related to higher … Read more

Vegetation of Meghalaya

Vegetation of Meghalaya The floral diversity of Meghalaya is well reputed for its richness and has been a centre of attraction for many botanists. The presence of a large number of primitive flowering Plants has prompted Takhtajan (1969) to call it the Cradle of Flowering Plants’. Meghalaya harbours about 3,128 species of flowering plants and … Read more

Tamil Nadu Rivers and Drainage System 2

Thamirabarani River Originates: In Western Ghats In Tirunelveli District Tributaries: River Servalar, Pachaiyar And Chittar The river Tambaraparani (Now people call Tambaraparani as Thamirabarani) originates on the eastern slopes of Western Ghats in Tirunelveli district of Tamil Nadu. The origins of Tambarabarani and its tributaries are situated at the peaks called “Aduppukkal Mottai”, “Agathimalai” and “Cherumunji Mottai”, at … Read more

Water Resources and Management

  Water Resources in India India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s Water Resources and about 16 per cent of world’s Population. The total water available from Precipitation in the country in a year is about 4,000 cubic km. The availability from surface water and … Read more

Karnataka soil

  Eleven groups of Soil orders are found in Karnataka Entisols, Inceptisols, Mollisols, Spodosols, Alfisols, Ultisols, Oxisols, Aridisols, Vertisols, Andisols and Histosols. Depending on the agricultural capability of the soil, the Soil Types are divided into six types viz., Red, lateritic(lateritic soil is found in bidar and kolar district), black, alluvio-colluvial, forest and coastal soils. The common Types of Soil groups found in Karnataka are Red soils: Red … Read more

Uttarakhand :Vegetation

Uttarakhand is the state located at the foothills of the snow clad Himalayas with lush green vegetation. There is a diverse range of Flora and Fauna habitated in Uttarakhand. The State has rich and diverse floral, faunal and microbial wealth including rare and threatened species of Plants and animals. Uttarakhand’s vegetation cover is about 60 … Read more

Landforms

Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain   Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of the … Read more

Water Pollution

  Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen)  content below 8.0 mg/L may be … Read more

ESTUARY ECOSYSTEM

  located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more

WET LAND ECOSYSTEM

  Areas of marsh, fen, peatland/water, whether natural (or) artificial, permanent (or) temporary with water that is static (or) flowing, fresh, brackish (or) salt, including areas of marine water the depth of which at low tide does not exceed 6 mtrs. Wetlands Classification– Inland wetland- a)Natural- Lakes / Ponds, Ox-bow Lakes, Waterlogged, Swamp/marsh b) Manmade- … Read more