Geography DMPQ

Grasslands are areas dominated by grasses. They occupy about 20% of theland on the earth surface. Grasslands occur in both in tropical and temperate regions whererainfall is not enough to support the growth of trees. Grasslands are known by variousnames in different parts of the world.Grasslands are found in areas having well defined hot and … Read more

  The hill ranges of the Western Ghats, a global biodiversity hotspot, extend along the west coast of India from the river Tapti in the north to the southern tip of India. Their positioning makes the Western Ghats biologically rich and biogeographically unique – a veritable treasure house of biodiversity. The region has a spectacular … Read more

Tsunami is a Japanese word for “Harbour wave”. They are also known as seismic sea waves. They are very long-wavelength water waves in oceans or seas. They are commonly referred to as tidal waves because of long wavelengths, although the attractions of the Moon and Sun play no role in their formation. They sometimes come … Read more

Warming and cooling of the Pacific Ocean is most important in terms of general atmospheric circulation. The warm water of the central Pacific Ocean slowly drifts towards the South American coast and replaces the cool Peruvian current. Such an appearance of warm water off the coast of Peru is known as El Nino. The El … Read more

  The cost of recharge to sub-surface reservoir is lower than surface reservoirs. The aquifer serves as a distribution system also. No land is wasted for storage purpose and no population displacement is involved. Ground water is not directly exposed to evaporation and pollution. Storing water under ground is environment friendly. It increases the productivity … Read more

Continental shield, any of the large stable areas of low relief in the Earth’s crust that are composed of Precambrian crystalline rocks. The age of these rocks is in all cases greater than 540 million years, and radiometric age dating has revealed some that are as old as 2 to 3 billion years.Shield areas in general are … Read more

Irrigation is consider boon for agriculture. Artificial injection of water increases the productivity and efficiency of the land. But there are negative fallouts attached with Irrigation. These are as follows: Associated problems of water logging and salinity. Poor irrigation practices lead to water logging and salinity. The productivity has been on decline in some areas … Read more

The reasons for the diversity are as follows:   Over geological times the tropics have had more stable climate than the temperatezones. In tropics, therefore, local species continued to live there itself, whereas intemperate they tend to disperse to other areas. Tropical communities are older than temperate one’s and therefore there has beenmore time for … Read more

District Mineral Foundation (DMF) is a trust set up as a non-profit body, in those districts affected by the mining works, to work for the interest and benefit of persons and areas affected by mining related operations. It is funded through the contributions from the holder of major or minor mineral concession in the district … Read more

Use of  excessive pesticide has rendered the soil in poor shape.  According to the economic survey the prescribed ratio for N:P:K is 4:2:1. But farmers pattern of use of fertilisers is way distorted. Hence Pramparagat Krishi Vikas Yojana has been launched by GOI for promotion of commercial organic production through certified organic farming. Features of … Read more