APSC Prelims and Mains Notes, APSC Test Series
When the wind blows parallel to a coastline, surface waters are pushed offshore and water is drawn from below to replace the water that has been pushed away. The upward movement of this deep, colder water is called upwelling. The deeper water that rises to the surface during upwelling is rich in nutrients. These nutrients … Read more
Above the subtropical highs in the Northern Hemisphere, and below the subtropical highs in the Southern Hemisphere, winds blow from the west towards the east. These winds are thus called westerly winds, after the direction from whence the winds come. The westerlies generally blow between 30 ° and 60 ° latitude in both the … Read more
. Natural vegetation refers to a plant community that has been left undisturbed over a long time, so as to allow its individual species to adjust themselves to climate and soil conditions as fully as possible. Tropical evergreen forests are found in the western slope of the Western Ghats, hills of the northeastern region and … Read more
Social Forestry means the management and protection of forests as well as afforestation of barren lands with purpose of helping in the environmental, Social and rural development. Social forestry is forestry for community development. Thus, it is people oriented, value based management of forests with a major objective of satisfying the needs, wants and aspirations of … Read more
Excessive rainfall in river catchments or concentration of runoff from the tributaries and river carrying flows in excess of their capacities. Backing water in tributaries at their confluence with the main river. Synchronization of flood peaks in the main rivers or their tributaries. Intense rainfall when river is flowing full. Poor natural drainage system. Landslides … Read more
. Unlike other disasters, the damages caused by earthquakes are more devastating. Since it also destroys most of the transport and communication links, providing timely relief to the victims becomes difficult. It is not possible to prevent the occurrence of an earthquake; hence, the next best option is to emphasis on disaster preparedness and mitigation … Read more
The scheme will support farmers, PACS, FPOs, Agri-entrepreneurs, etc. in building community farming assets and post-harvest agriculture infrastructure. These assets will enable farmers to get greater value for their produce as they will be able to store and sell at higher prices, reduce wastage, and increase processing and value addition. The Centre will bear this … Read more
On 12 August 2018, after 20 years of talks, the leaders of the five littoral states to the Caspian Sea – Azerbaijan, Iran, Kazakhstan, Russia and Turkmenistan – finally signed a treaty defining its legal status. The ‘Convention on the Legal Status of the Caspian Sea’ has not resolved all the long-standing issues; in fact, … 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
Dams and flood control The efficiency of dams to withhold floods has always been put to question. Critics have also termed dams as harbinger of floods claiming that the essential scientific assessment for consistent release of water to avoid build up is rarely done. Absence of a standard operating procedure for releasing water from the … Read more