Notes and Study material for Exams
Drainage System and River of Sikkim Sikkim is a small Himalayan state in north-east India situated between 27degree 00’ 46″ to 28 degree 07’ 48″ N latitude and 88 degree 00’ 58″ to 88 degree 55’ 25″E longitude with geographical area of 7,096 sq km constituting only 0.22% of total geographical area of India. It … Read more
River and Drainage System of Nagaland Nagaland, the smallest hilly state situated at the extreme north-eastern end of India, lies between 25° 6′ and 27° 4′ latitude, North of Equator and between the Longitudinal line 93° 20’ E and 95° 15’E. The state Shares its boundary with Assam on the West, Myanmar on the East, … Read more
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
Fresh water Ecosystems– The salt content of fresh bodies is very low, always less than 5 ppt (parts per thousand). E.g lakes, ponds, pools, springs, streams, and rivers Marine ecosystems – the water bodies containing salt concentration equal to or above that of sea water (i.e., 35 ppt or above). E.g shallow seas and … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> – Bottom Relief Four major divisions can easily be identified on the ocean floor: The continental shelf, the continental slope, the continental rise, the abyssal plain. Besides these, there are many associated features—ridges, hills, seamounts, guyots, trenches, canyons, sleeps, fracture zones, island arcs, atolls, coral reefs, … Read more
Any – body of standing water, generally large enough in area and depth, irrespective of its hydrology, ECOLOGY, and other characteristics is generally known as lake. Ageing of Lakes The nutrient enrichment of the lakes promotes the Growth of algae, aquatic Plants and various Fauna. This process is known as natural eutrophication. Similar nutrient … Read more
Mangroves are the characteristic littoral plant formation of tropical and subtropical sheltered coastlines. are trees and bushes growing below the high water level of Spring Tides which exhibits remarkable capacity for salt water Tolerance. basically evergreen land Plants growing on sheltered shores, typically on tidal flats, deltas, estuaries, bays, creeks and the barrier islands. … Read more
Natural Ecosystem- Terrestrial- Forests, Grasslands, Deserts Aquatic- Fresh Waters, Saline Waters, Marine Waters Ecotone :- a zone of junction between two or more diverse Ecosystems. For e.g. the mangrove forests represent an ecotone between marine and terrestrial ecosystem. Characteristics of Ecotone It may be very narrow or quite wide. It has the conditions intermediate … Read more
Grasses Grasses are a type of plant that is found in many different parts of the world. They are a very important part of the EnvironmentEnvironment, and they provide many benefits to humans and animals. Grasses are a type of monocot, which means that they have one seed leaf. They are also a type of … Read more