what is land degradation and what are its major causes


We often assume that land degradation only affects soil fertility. According to a study by the UNEP Global Environment Outlook, excessive human consumption of the naturally … It later on settles down in the surrounding areas, affecting infiltration of water and crop cultivation. Some plains have also been affected by soil erosion.

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The causes of land degradation can be divided into natural hazards, direct causes, and underlying causes.

Publish your original essays now. • smallholder subsistence) and its value as an economic resource."

The quest … It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable. Causes of Environmental Degradation.

Mineral processing like grinding of limestone for cement industry and calcite and soapstone for ceremic industry generate huge quantities of dust in the atmosphere. It causes Loss of natural fertility of soil because of loss of nutrients, Less vegetation cover, Changes in the characteristic of soil, Pollution of water resources and Changes in climatic conditions. Various kinds of toxic chemicals are expelled from landfills which can prove to be hazardous to the environment as a whole. In the race to urbanize virgin territory, there has been random violation of the land laws. Salinity and Water logging due to Intensive Farming: Intensive agricultural practices that rely heavily on water, chemical fertilisers and pesticides have caused waterlogging and salinity in many parts of the country.

An ever-increasing population places enormous demands on land resources. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.

Afforestation and proper management of grazing can help to check land degradation. Surface mining lead to degradation of land. Degradation is also considered to include a change in the ground cover to less palatable species, or a change from predominantly perennial grasses to predominantly annual grasses. Disclaimer Copyright. It has 0.5 per cent of the world’s grazing area but has over 18 per cent of world’s cattle population. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU.

These areas co-relate very strongly with the incidence of poverty in the country.

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Natural hazards are excluded as a cause; however human activities can indirectly affect phenomena such as floods and bushfires.

This forces forests to be cleared in order for houses and settlements to be built. However, the effects of land degradation often more significantly affect receiving water courses (rivers, wetlands and lakes) since soil, along with nutrients and contaminants associated with soil, are delivered in large quantities to environments that respond detrimentally to their input.

This link between degradation (which is often caused by land use practices) and its effect on land use is central to nearly all published definitions of land degradation.

Mining and Industry are two important activities of human kind. Inspite of concerted efforts to check deforestation and the various afforestation schemes taken up during successive Plan periods, large tracks of forest continue to be classified as degraded. Some of the most degraded lands in the country are the common property resources (CPRs).

Land degradation means: 1.

Mining sites are abandoned after the excavation work is done, Reaving deep scars of overburdening. The main causes of land degradation are - Deforestation, overgrazing leading to a reduced growth of vegetation, reduced diversity of plant species, excessive growth of unwanted plant species, soil erosion, and degradation of land due to cattle movement, excessive use of fertilizers and pesticides, Industrialization, and Urbanization.

The current trend of economic and industrial development coupled with the steady growth of human as well as livestock population has been the major reasons behind the incidence of land gradation in India. The quest for increased agricultural productivity has led to intensive cultivation of marginal lands causing their degradation. It is estimated that up to 40% of the world’s agricultural land is seriously degraded. Image Guidelines 5.

The mineral processing, like grinding of limestone for cement industry, and calcite and soapstone for ceramic industry, generates heavy amount of dust and releases it in the atmosphere.

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