Notes and Study material for Exams
Depletion of Natural Resources– Metals, Minerals — Conservation Policy All the materials and energy essential for the survival and welfare of living beings including humans-are provided by nature. They are called Natural Resources. A thing becomes resource only when it is used by humans to perform a function. Man lives in nature and … Read more
Biodiversity-Defination, types, importance, hotspots, threats and conservation The term biodiversity was coined as a contraction of biological diversity by E.O. Wilson in 1985. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. In other words, biodiversity is the occurrence of different types … Read more
Natural Resources, their sustainable management and conservation A natural resource is something that is found in nature and can be used by people. Earth’s Natural Resources include Light, air, water, Plants, animals, Soil, stone, Minerals, and fossil fuels. People need some natural resources to stay alive. They use others to make their lives … Read more
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
In order to check rapid deforestation due to forestlands being released by state governments for agriculture, Industry and other development projects (allowed under the Indian Forest Act) the federal government enacted the Forest Conservation Act in 1980 with an amendment in 1988. The Act made the prior approval of the federal government necessary for de-reservation … Read more
Afforestation and deforestation Afforestation Afforestation is the process of planting trees, or sowing seeds, in a barren land devoid of any trees to create a forest. The term should not be confused with reforestation, which is the process of specifically planting native trees into a forest that has decreasing numbers of trees. While reforestation is increasing … Read more
Environmental problems related to INFRASTRUCTURE-development/”>Infrastructure Development Infrastructure is essential for increasing economic progress and reducing POVERTY. The choices made in the type and scale of infrastructure Investment also have major implications for environmental sustainability. Land New infrastructure typically involves land use change and the selection of the site and its proximity to human settlement will … Read more
Environmental problems related to INFRASTRUCTURE-development/”>Infrastructure Development Infrastructure is essential for increasing economic progress and reducing POVERTY. The choices made in the type and scale of infrastructure Investment also have major implications for environmental sustainability. Land New infrastructure typically involves land use change and the selection of the site and its proximity to human settlement will … Read more
Concept Definition Carbon Sequestration Carbon sequestration is the process of removing carbon from the Atmosphere and storing it in a fixed molecule in Soil, Oceans or Plants. Carbon Sink An organism or landscape that stores carbon is called a carbon sink. Carbon source An organism or landscape that emits carbon is called a carbon source. Climate change adaptation … Read more
Distribution of major natural Resources of World-Water, Soils, Forests in reference to South and South-East Asia Distribution of key Natural Resources across the world (including South Asia and the Indian subcontinent) Natural resources are highly valued because human beings are dependent on them to fulfil their fundamental needs that changes with time. While … Read more