PPSC Prelims and Mains Notes-PPSC Test Series
The elements or mineral nutrients are always in circulation moving from non-living to living and then back to the non-living components of the ecosystem in a more or less circular fashion. This circular fashion is known as biogeochemical cycling (bio for living; geo for atmosphere). Nutrient Cycling: The nutrient cycle is a concept that describes … Read more BIOGEOCHEMICAL CYCLE
Deserts are formed in regions with less than 25 cm of annual rainfall, .or sometimes in hot regions where there is more rainfall, but unevenly distributed in the annual cycle. Lack’ of rain in the mid latitude is often due to stable high pressure zones; deserts in temperate regions often lie in “rain shadows”, that … Read more Hot DESERT ECOSYSTEM
The Animal Welfare Board of India (AWBI) scheme relates to provision of assistance for the following type of activities: a) Financial assistance to animal welfare organizations for maintaining the stray animals in distress and for their treatment (financial assistance based on the number of animals kept for their fodder, water, minor treatment etc). b) … Read more DMPQ: What is the mandate of Animal welfare Board of India.
: The United Nations Conference on the Human Environment (also known as the Stockholm Conference) was an international conference convened under United Nations auspices held in Stockholm, Sweden from June 5-16, 1972. It was the UN’s first major conference on international environmental issues, and marked a turning point in the development of international environmental politics. … Read more DMPQ: Write a note on Stockholm conference.(ENVT)
Deforestation, clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms, ranches, or urban use. Deforestation comes in many forms, including fires, clear-cutting for agriculture, ranching and development, unsustainable logging for timber, and … Read more De- Forestation. 4 marks 2008
India State of Forest Report 2019 has been prepared by Forest Survey of India (FSI). It is a biannual report. The report is prepared after mapping of forests and trees through satellite. Key highlights of the report are as follows: the forest area has increased by 3976 kilometers and the area of trees by 1212 … Read more DMPQ- Recently Forest report was released by forest survey of India. Highlight the major findings.
aggravated because of four developments: Increasing traffic, growing cities, rapid economic development, and industrialization contamination of air by the discharge of harmful substances Major air pollutants and their sources Carbon monoxide (CO) It is a colourless, odourless gas that is produced by the incomplete burning of carbon – based fuels including petrol, diesel, … Read more Air Pollution
: United Nations Environment Programme (UNEP) is an agency of United Nations and coordinates its environmental activities, assisting developing countries in implementing environmentally sound policies and practices. It was founded by Maurice Strong, its first director, as a result of the United Nations Conference on the Human Environment (Stockholm Conference) in June 1972 and has … Read more DMPQ:Write a short note on UNEP.
Deserts are formed in regions with less than 25 cm of annual rainfall, .or sometimes in hot regions where there is more rainfall, but unevenly distributed in the annual cycle. Lack’ of rain in the mid latitude is often due to stable high pressure zones; deserts in temperate regions often lie in “rain shadows”, … Read more DESERT ECOSYSTEM
defined as ‘an addition or excessive addition of certain materials to the physical environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications According to the form in which they … Read more ENVIRONMENT POLLUTION