GPSC Prelims and Mains Notes, GPSC Test Series
Niche:- a description of all the biological, physical and chemical factors that a species needs to survive, stay healthy and reproduce. No two species have exact identical niches. Niche plays an important role in conservation of organisms. Types of Niche Habitat niche – where it lives Food niche – what is eats or decomposes … Read more Niche
March 17, 2016 admin 0 Comments Treaty Signed/Into force Major Points Aarhus Convention on Access to information for public participation in decision making and access to justice in environmental matters 1998 Aarhus is a Danish city Adopted at the fourth ministerial conference in the ‘Environment for Europe’ process Links environmental rights and human rights India – No … Read more Important Environmental Treaties
A carbon market allows countries, or industries, to earn carbon credits for emission reductions they make in excess of what is required of them. These credits can be traded to the highest bidder in exchange for money. The buyers of carbon credits can show the emission reductions as their own and use them to meet … Read more DMPQ- What do you understand by the term “ Carbon market”?
There are three interrelated hierarchical levels of biodiversity namely, genetic diversity, species diversity and community or ecosystem diversity. Genetic diversity It describes the variation in the number and types of genes as well as chromosomes present in different species. The magnitude of variation in genes of a species increases with increase in size and environmental … Read more DMPQ- What are the different Types of biodiversity?
‘One Number- One Colour-One Description’ for the common man to judge the air quality within his vicinity. There are six AQI categories, namely Good, Satisfactory, Moderately polluted, Poor, Very Poor, and Severe. The proposed AQI will consider eight pollutants (PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb) for which short-term (up to 24-hourly averaging period) … Read more DMPQ:National Air quality Index.
Convention on biodiversity is a multilateral treaty which was opened for signature on 5th June at earth summit. It entered into force in 1993. It is a legally binding treaty when a party has ratified it. The convention has basically three goals: Conservation of biological diversity Sustainable use of the components Fair and equitable sharing … Read more DMPQ: What is convention on Biodiversity? Explain the Principle of Commons? (Envt.)
Any – body of standing water, generally large enough in area and depth, irrespective of its hydrology, ecology, and other characteristics is generally known as lake. Ageing of Lakes The nutrient enrichment of the lakes promotes the growth of algae, aquatic plants and various fauna. This process is known as natural eutrophication. Similar nutrient … Read more LAKE ECOLOGY
India is geographically the second-largest country not to have multiple time-zones- the People’s Republic of China being the other. Adopting two time zones for India is something that the Government ought to consider and look to implement. Far too many people in India operate in a time zone that is not an appropriate diurnal cycle … Read more DMPQ:Should India Have more than one Time zone?
A tropical deciduous forest would grow in a place that is warm all year and the trees would lose their leaves at some point every year. Main characteristics of tropical deciduous forests are: These are the most wide spread forests of India. They are also known as the monsoon forests. They spread over areas of … Read more DMPQ- What are the main characteristics of Tropical deciduous forest?
It is a number used to communicate to the public how polluted the air currently is or how polluted it is forecasted to become. As AQI increases, an increasingly large percentage of the population is likely to experience increasingly adverse health effects. Different countries have their own air quality indexes, corresponding to different national air … Read more DMPQ- Write short note on Air quality Index.