Impact of Agricultural and Industrial Practices on the Ecosystem — Flashcards

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An ecosystem consists of plants, animals and other living things which exist and survive together while adjusting to their physical environment. Living organisms interact with one another and with air…

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The main features are: organisms interact with each other, organisms are influenced by the physical environment, living things form a community, and each organism has its own role in the ecosystem.

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Pollution is an undesirable change in the physical, chemical and biological characteristics of air, water or land that can be harmful to the health, survival and activities of humans or animals. It in…

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Desertification is the gradual formation of a desert caused by human activities. It is linked to overgrazing and faulty agricultural practices, especially in dry regions. It is now recognised as a glo…

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Deforestation leads to soil erosion, changes in rainfall patterns, loss of habitat, loss of biodiversity and disturbance of ecological balance. Forests also help maintain atmospheric balance by absorb…

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Forest land cleared for agricultural and other purposes was 1.5 lakh hectares per year between 1950-51 and 1979-80. Thereafter, it dropped to about 16,500 hectares per year.

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Soil erosion removes the fertile topsoil, reduces soil quality and can cause floods and land degradation. In India, nearly 10.3 million hectares of land is affected by soil erosion annually.

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Large dams can submerge agricultural land and forests, reduce water level in downstream areas, create problems of snails, algae and mosquitoes in reservoirs, cause silting and sedimentation, and displ…