Notes and Study material for Exams
Fishing in Odisha Odisha is one of the major maritime States, offering vast scope for development of inland, brackishwater and marine INFRASTRUCTURE. A difficulty in imposing any limitation or stringent action on over-fishing, as fishing is a livelihood option for majority of poor people. Siltation of the fishery harbours and fish landing centres because of … Read more
Environmental Legislation The awareness and consideration for Environment covers several environmental issues such as pollution of water, air and Soil, land degradation, industrialization, Urbanization, depletion of natural Resources etc. Environmental Law plays a very crucial and important role in regulating the use of Natural Resources and in protecting the environment. The success of environmental legislations … Read more
Hydrosphere – World Oceans Salinity – Ocean currents and Tides – Ocean Deposits Water is all over on Earth. About 70% of the surface of the planet is roofed by water. If you were an alien visiting the earth, you’d see a large blue sphere from area (especially on the Pacific side). Not solely is … Read more
El Nino El Niño is the name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru. When this warming occurs the usual upwelling of cold, nutrient rich deep ocean water is significantly El Niño normally occurs around Christmasand usually lasts for a few weeks to a few months. Sometimes … Read more
Oceans – 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, submerged Fisheries of the world. A shoal is … Read more
Conventional and New Source of Energy Energy is one of the most important component of economic Biomass, coal, Geothermal Energy, hydroelectric energy, Nuclear Energy, oil and natural gas, solar energy, and wind energy. Biomass is a RENEWABLE ENERGY source that comes from plants and other organic materials. Biomass can be used to … Read more
Broad Physical Feature: Mountains, Plateaus, Plains, Lakes and Glaciers:- Landforms are the natural features and shapes existent on the face of the earth. Landforms possess many different physical characteristics and are spread out throughout the planet. Together, landforms constitute a specific terrain and their physical arrangement in the landscape forms what is … Read more
El Nino El Niño is the name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru. When this warming occurs the usual upwelling of cold, nutrient rich deep ocean water is significantly reduced. El Niño normally occurs around Christmas and usually lasts for a few weeks to a few months. Sometimes … Read more
Sources of Energy: Conventional and Nonconventional Sources – Energy is one of the most important component of economic Biomass. These substances can be burnt to produce heat energy which can be used in the generation of electricity. Thus, the energy produced from the biomass is known as biomass energy. There are three forms of biomass: … 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