Contribution of Indians in science and technology

Contribution of Indians in science and technology This list of Indian inventions and discoveries details the inventions, scientific discoveries and contributions of ancient and modern India, including both the ancient and medieval nations in the subcontinent historically referred to as India and the modern Indian state. It draws from the whole cultural and technological history … Read more Contribution of Indians in science and technology

Concept of Ecosystem, Structure and Function of Ecosystem

Eco-System-An ecosystem is defined as a structural and functional unit of biosphere consisting of community of living beings and the physical environment, both interacting and exchanging materials between them. It includes plants, trees, animals, fish, birds, micro-organisms, water, soil, and  people. When an ecosystem is healthy (i.e. sustainable) it means that all the elements live … Read more Concept of Ecosystem, Structure and Function of Ecosystem

 BIOGEOCHEMICAL CYCLE

The elements or mineral nutrients are always in circulation moving from non-living to living and then back to the non-living components of the ecosystem in a more or less circular fashion. This circular fashion is known as biogeochemical cycling (bio for living; geo for atmosphere). Nutrient Cycling: The nutrient cycle is a concept that describes … Read more  BIOGEOCHEMICAL CYCLE

Environmental Degradation

The major causes of the environmental degradation are modern urbanization, industrialization, over-population growth, deforestation etc. Environmental pollution refers to the degradation of quality and quantity of natural resources. Mahatma Gandhi’s principle of “enoughness” in his saying “the earth provides enough to satisfy every persons need but not for every person’s greed” According to World Commission … Read more Environmental Degradation

Waste Management

Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects of agricultural growth, industrialization and urbanization. Current and … Read more Waste Management

Biodiversity and its conservation with special reference to the state of Rajasthan

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 of ecosystems, … Read more Biodiversity and its conservation with special reference to the state of Rajasthan

Scarcity of water, methods of conservation-rain water harvesting and watershed management, ground water management

  Scarcity of water   Water scarcity is possibly to pose the greatest challenge on account of its increased demand coupled with shrinking supplies due to over utilisation and pollution. Water is a cyclic resource with abundant supplies on the globe. Approximately, 71 per cent of the earth’s surface is covered with it but fresh … Read more Scarcity of water, methods of conservation-rain water harvesting and watershed management, ground water management

Traditional Water Conservation Systems in the State of Rajasthan

Traditional Water Conservation Systems in the State of Rajasthan In popular imagination, Rajasthan is a land of chivalry and rugged forts set against the backdrop of a desert landscape, with camels traversing unending sand dunes. The majesty of the forts at Chittor, Udaipur, Mehrangarh, Kumbhalgarh or Ranthambore to name a few is such that it … Read more Traditional Water Conservation Systems in the State of Rajasthan

Rajasthan Agriculture

Rajasthan Agriculture Agriculture and allied sector continues to be the backbone of the State’s economy and endures to be the large contributor of the GSDP. 75 per cent population of the State resides in the rural areas and about 62 per cent depend on agriculture and allied activities for their livelihood. Agriculture and allied sector … Read more Rajasthan Agriculture

Horticulture of Rajasthan

 Horticulture of Rajasthan     The salient features of Horticulture in Rajasthan are summarized below: 90% of the rainfall is received during monsoon season. In addition to spatial variation there is much variation in yearly pattern in rainfall. Mango, Aonla, Pomegranate, Guava, Santra,Kinnu, Ber and Malta are the main horticulture fruits. 90% nurseries are registered … Read more Horticulture of Rajasthan