Environment

Madden-Julian Oscillation

January 12, 2016

Madden-Julian Oscillation is a major fluctuation in tropical weather on weekly to monthly timescales of 30-60 days or 40-50 days. The MJO can be characterized as an eastward moving “pulse” of cloud and rainfall near the equator that typically recurs every 30 to 60 days and is...

Biofertilizers in India

January 12, 2016

There are five biofertilizers viz. Rhizobium, Azotobacter, Azospirillum, Phosphate Solubilizing Bacteria and mycorrhiza, which have been incorporated in India’s Fertilizer Control Order (FCO), 1985. Rhizobium, Azotobacter, Azospirillum and blue green algae (BGA) have been traditionally used as Biofertilizers. Rhizobium inoculant is used for leguminouscrops such as pulses. Azotobacter can...

Difference Between Deer And Antelopes

January 11, 2016

Taxonomically, both deer and antelopes belong to same order called Artiodactyla or Even-toed ungulates. In the even-toed animals, the weight of the body of the animal is borne by 3rd and 4th toe of the forefeet. Most of the four-footed animals belong to this order. Common examples...

Biomass Productivity

January 11, 2016

The rate of generation of biomass in an ecosystem is called Productivity, which is expressed in units of energy (example: joules per meter² per day) or in units of dry organic matter (example: kg per meter² per year). Primary Productivity Primary production is the synthesis of new...

Difference between Food Chain and Food Web

January 11, 2016

Food chain refers to a linked feeding series in an ecosystem. A food chain illustrates the order in which a chain of organisms feed upon each other and the  sequence of organisms through which energy and materials are transferred, in the form of food, from one tropic...

Mass Extinctions

January 4, 2016

Biodiversity is the result of 3.5 billion years of evolution. The current scientific theory says that the  origin of life or biopoiesis or the natural process by which life arises from simple organic compounds started around 3900 million years ago and the earliest known life on Earth...

Ganges River Dolphins

December 25, 2015

Indian Government has notified the Ganges River Dolphin (Platanista gangetica gangetica) as India’s National Aquatic Animal. It is also known as Susu because of the sound it produces when breathing. Population and Distribution The Total population of Ganges River Dolphin is estimated to be around 2000 and...

National Biodiversity Authority

November 11, 2015

The National Biodiversity Authority (NBA) was established in 2003 to implement India’s Biological Diversity Act (2002). The NBA is a Statutory, Autonomous Body and it performs facilitative, regulatory and advisory function for the Government of India on issues of conservation, sustainable use of biological resources and fair...

Monitoring Pollution

September 13, 2015

In most parts of the country there is a drastic lack of equipment to monitor the quality of air. It is only Delhi that has some infrastructure to monitor air quality. There are six automatic air-monitoring stations across Delhi which are also in working condition. Also there...

Namami Gange Project

May 20, 2015

Namami Gange Project or Namami Ganga Yojana  is an ambitious Union Government Project  which integrates the efforts to clean and protect the Ganga river in a comprehensive manner. It its maiden budget, the governnment announced Rs. 2037 Crore towards this mission. The project is officially known as Integrated...

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