Primary Air pollutants POLLUTANTS SOURCES EFFECTS/IMPACTS Carbon Dioxide Natural Sources: Exhalation through organisms. Forest fires and volcanoes, hot springs and geysers It is freed from carbonate rocks by dissolution in water and acids. Carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, in ice caps and glaciers and also… Continue reading Primary Air Pollutants
AIR POLLUTION
According to the WHO, air pollution is defined as limited to situations in which the outdoor ambient atmosphere contains materials in concentration, which are harmful to the environment and his/her surrounding environment. The nature, dimensions, and magnitude of air pollution depends on a variety of factors such as residence time of pollutants in the atmosphere,… Continue reading AIR POLLUTION
Pollutants
A pollutant is defined as any form of energy or matter or action that causes a state of disequilibrium from the state of equilibrium in any existing natural ecosystem. Pollutants are those unnecessary materials that are barely degradable and cause harmful effects to the environment. TYPES OF POLLUTANTS On the basis of source of genesis… Continue reading Pollutants
Daily Quiz: UPSC Prelims Marathon (Environment)|October 31, 2020
Good Morning Friends, We are Posting Today’s Prelims Marathon [WpProQuiz 1850]
Must Read Current Affairs Articles I 31st October 2020
Good Morning dear reader. We are posting Today’s Must Read Current Affairs Articles below: GS Paper 1 #1 Demography, theirs and ours Indian Express Page – 15 Syllabus Topic – population and associated issues GS paper 2 #2 New wage code bars bonus for those facing sex abuse charges The Hindu page – 1 Syllabus… Continue reading Must Read Current Affairs Articles I 31st October 2020
Quiz: Biodiversity and conservation
On this page, we will provide you with all the MCQs related to biodiversity and conservation in India [qsm quiz=5]
BIOGEOCHEMICAL CYCLES
There is a circulation of chemical nutrients like oxygen, carbon, nitrogen, phosphorus, calcium, and water, etc. through the physical and biological world; between the atmosphere, hydrosphere, lithosphere, and biosphere. These cycles are known as biogeochemical cycles. These cycles are natural pathways of the circulation of essential elements of life. For the survival of the major… Continue reading BIOGEOCHEMICAL CYCLES
What are the Trophic Levels?
Each organism occupies a particular position in a food chain depending on its feeding relationship with other organisms. This position is known as the trophic level. It is important to note that the amount of energy decreases at successive trophic levels. When an organism dies it is converted to detritus. It then serves as an… Continue reading What are the Trophic Levels?
Ecological Pyramids
Ecological pyramids are the diagrammatic representations of the feeding relationship and energy transfers in the ecosystem. They are of three types: Pyramid of Numbers, Pyramid of Biomass and Pyramid of Energy. Pyramid of Numbers: It represents the relationship between number of individuals of primary producers and consumers at different trophic levels. It can be upright… Continue reading Ecological Pyramids
How does the Energy Flow in an Ecosystem?
In simplest terms, the behaviour of energy in an ecosystem is called energy flow. The flow of energy in the ecosystem is always unidirectional (linear). The energy flow obeys the first and second law of thermodynamics. Laws of Thermodynamics (Rudolf Clausius and William Thomson) 1st Law: Energy cannot be created or destroyed but can be… Continue reading How does the Energy Flow in an Ecosystem?
