Notes and Study material for Exams
Fisheries. Education and awareness. Education and awareness are essential for conserving biodiversity. People need to understand the importance of biodiversity and the threats it faces in order to take action to protect it. Policy and regulation. Policy and regulation can also play a role in conserving biodiversity. Governments can pass laws that protect biodiversity and … 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
Sunlight is Earth’s most abundant energy source and is delivered free of charge. Indeed, the energy from sunlight reaching the land surface of the earth is thousands of times greater than the world’s current total annual consumption of energy. Yet harnessing sunlight’s energy content directly—rather than indirectly in fossil fuels, wind, or hydroelectric power—makes only a small contribution to humanity’s energy … Read more
Distribution of natural Resources World Distribution of forest reserves Forests cover 31 percent of the world’s land surface, just over 4 billion hectares. (One hectare = 2.47 acres.) This is down from the pre-industrial area of 5.9 billion hectares. According to data from the U.N. Food and agriculture Organization, deforestation was at its highest rate … Read more
Pressure and wind belts Atmospheric Pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of mercury … Read more
The term Sustainable Growth became prominent after the World Conservation Strategy Presented in 1980 by the International Union for the Conservation of Nature and Natural Resources. Brundland Report(1987) define Sustainable Development as the a process which seek to meet the needs and aspirations of the present generation without compromising the ability of the future generation … Read more
Remote sensing refers to the measurement or acquisition of information about an object or phenomena from a distance without physical contact by using devices or sensors mounted on some platform. Remote sensors collect data by detecting the energy that is reflected from Earth. These sensors can be on satellites or mounted on aircraft. Remote sensors can … Read more
The state has been divided Geographically in three natural divisions:- Great Himalayas Middle Himalayas Hills of shivalik and Doon Great Himalayas :- This natural sub-division is known as himadri .this part extended 50km in width whose most of the mountainranges are 4,800 to 6,000 metre high.many Glaciers are found in … Read more
Alaknanda : The Alaknanda rises at the confluence and feet of the Satopanth and Bhagirath Kharak Glaciers in Uttarakhand. It meets the Bhagirathi river at Devprayag after flowing for approx. 229 km through the Alaknanda valley. Its main tributaries are the Mandakini, Nandakini, and Pindar rivers. The Alaknanda system drains parts of Chamoli, Tehri, … Read more
UTTARAKHAND produces an estimated 792077 MT of fruits and 606507 MT of vegetables.presently 39 percent of the cultivation land in the state is under