Geography

The continental shelf is the extended margin of each continent occupied byrelatively shallow seas and gulfs. It is the shallowest part of the ocean showing anaverage gradient of 1° or even less.The width of the continental shelves vary from one ocean to another. The average widthof continental shelves is about 80 km. Significance of Continental … Read more

Inter Cropping: Growing two or more crops simultaneously on the same piece of land with definite row arrangementor in a fixed ratio. It was originally practiced as an insurance against crop failure under drained conditions. Intercroppingsystems utilizes resources efficiently and their productivity is increased. Example: – Maize + Cowpea, Potato + Mustard, Groundnut + Redgram. … Read more

Critical infrastructure is a term used by the governments to describe assets that are essential for the functioning of a society and economy.  The term Critical infrastructure has been widely adopted to distinguish those infrastructure elements that, if significantly damaged or destroyed, would cause serious disruptions of the dependent system or organisation.   Storm, deluge … Read more

“Jig saw” fit- Wegener was struck by the geographical similarity between the opposite coasts ofthe Atlantic Ocean. The outlines of the two coasts appears to be the detached portion of theother ie. The east coast of north and South America can be exactly fit into the left coast ofAfrica and Europe. Geological structure- there is … Read more

The sector suffers from low-scale, stagnating yields of inland and freshwater aquaculture, and poor infrastructure such as cold storage facilities, leading to an estimated 15-20 per cent post-harvest loss. The access to quality seed and feed for fish farming coupled with inadequate availability of credit makes the poor fisher communities not to invest in fish … Read more

Grid management on regional basis started in sixties. Initially, State grids were inter-connected to form regional grid and India was demarcated into 5 regions namely Northern, Eastern, Western, North Eastern and Southern region. In October 1991 North Eastern and Eastern grids were connected. In March 2003 WR and ER-NER were interconnected . August 2006 North … Read more