POLLUTANTS AND TROPHIC LEVEL

  Movement of these pollutants involves two main processes:   Bioaccumulation refers to how pollutants enter a food chain. there is an increase in concentration of a pollutant from the Environment to the first organism in a food chain.   Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic … Read more

Carbon Emission

Carbon dioxide (CO2) makes up the largest share of “greenhouse gases”. The addition of man-made greenhouse gases to the Atmosphere disturbs the earth’s radiative balance. This is leading to an increase in the earth’s surface temperature and to related effects on Climate, sea level rise and world agriculture. The primary sources of greenhouse gas emissions are: Transportation  – … Read more

Management of land and water resources

Management of land and water Resources LAND RESOURCE MANAGEMENT IN INDIA Land and water have been the basic Elements of life support system on our planet since the dawn of civilization. All great civilizations, flourished where these resources were available in plenty and they declined or perished with the depletion of these resources. In recent … Read more

FOREST ECOSYSTEM

    Forest ecosystem includes a complex assemblage of different kinds of biotic communities. Optimum conditions such as temperature and ground moisture are responsible for the establishment of forest communities. Forests may be evergreen or deciduous which are distinguished on the basis of leaf into broad-leafed or needle leafed coniferous forests in the case of … Read more

Ecology And Ecosystem

 ECOLOGY and Ecosystem Ecology The scientific study of the processes influencing the distribution and abundance of organisms, the interactions among organisms, and the interactions between organisms and the transformation and flux of energy and matter. Ecosystem Ecosystem, the complex of living organisms, their physical Environment, and all their interrelationships in a particular unit … Read more

Road and Transport of India

Road sector Road transport is considered to be one of the most cost effective and preferred modes of transport, both for freight and passengers, keeping in view its level of penetration and last mile connectivity in populated areas. A good road Network is vital to the Economic Development and social integration of the country. It … Read more

Enlightenment and Industrial Revolution

Enlightenment and Industrial revolution Emergence and Background Beginning of geographical discoveries and direct sea routes opened new avenues of Trade and Commerce. It formed the bedrock of Industrial revolution as mismatch between demand and supply led to new innovative ways of enhancing production. Second factor was emergence of capitalist ideology. Profit making became the core … Read more

Wetland Farming

Wetland Farming: A Sustainable Approach to Agriculture The world’s population is growing, and with it, the demand for food. Conventional agriculture, however, is facing increasing pressure from climate change, resource depletion, and environmental degradation. This has led to a growing interest in sustainable agricultural practices, including wetland farming. Wetland farming, also known as paddy rice … Read more

Biodiversity: concept, hotspots, threats to biodiversity

Biodiversity is defined as the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic Ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species, and of ecosystems. Basically biodiversity is the total number of genes, species and ecosystems of a region. It includes … Read more

Global Environmental Issues like Green House Effect, Green House Gases and their mitigation.

The Greenhouse Effect The greenhouse effect is a natural phenomenon that insulates the Earth . Incoming solar radiations are absorbed and reemitted back from the Earth’s surface as infrared energy, greenhouse gases (GHGs) in the Atmosphere prevent some of this heat from escaping into space, instead reflecting the energy back to further warm the surface. Human … Read more

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