FUNCTIONS OF AN ECOSYSTEM

  ENERGY FLOW- Energy is the basic force responsible for all metabolic activities. The flow of energy from producer to top consumers is called energy flow  which is unidirectional. Energy flows through the trophic levels: from producers to subsequent trophic levels. There is a loss of some energy in the form of unusable heat at … 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

Wetland Conservation Programme

    Wetlands are lands transitional between terrestrial and aquatic system where the water table is usually near the water surface and land is covered by shallow water. Essential as: control floods, water treatment, recharging of water sources, reduce sediments, check soil erosion, bulwark against encroachment by the sea, winter resort for birds and important … Read more

Greenhouse effect

  The greenhouse effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. It is the process by which radiation from a planet’s atmosphere warms the planet’s surface to a … Read more

The Panchayats functions and responsibilities with special reference to 73rd and 74th Constitutional amendments

The 73rd and 74th Constitutional Amendment Acts, 1992, which gave Constitutional status to panchayati raj institutions (PRIs) and urban local bodies (ULBs) respectively, in both letter and spirit in order to bring about greater decentralisation and increase the involvement of the community in planning and implementing schemes and, thus, increase accountability. The Amendments left important … Read more