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(Tarım) desertification

the gradual transformation of habitable land into desert; is usually caused by climate change or by destructive use of the land; "the dust storms in Korea are the result of rapid desertification in China

The progressive destruction or degradation of existing vegetative cover to form desert This can occur due to overgrazing, deforestation, drought, and the burning of extensive areas Once formed, deserts can only support a sparse range of vegetation Climatic effects associated with this phenomenon include increased albedo, reduced atmospheric humidity, and greater atmospheric dust (aerosol) loading

The progressive destruction or degradation of existing vegetative cover that leads to the formation of a desert This can occur due to overgrazing, deforestation, drought, or the burning of extensive areas

Process by which a geographic region becomes a desert. The change may result from natural changes in climate or by human activity

The degradation of terrestrial ecosystems as a result of deforestation, overgrazing, poor soil, and irrigation management

are the progressive destruction or degradation of existing vegetative cover to form desert This can occur due to overgrazing, deforestation, drought and the burning of extensive areas Once formed, desert can only support a sparse range of vegetation Climatic effects associated with this phenomenon include increased albedo, reduced atmospheric humidity and greater atmospheric dust loading, which can cause wind erosion and/or atmospheric pollution

The process of transforming and land into a barren desert Often induced by human activities or climate change

Land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities

The process through which a desert takes over a formerly non-desert area When a region begins to undergo desertification, the new conditions typically include a significantly lowered water table, a reduced supply of surface water, increased salinity in natural waters and soils, progressive destruction of native vegetation, and an accelerated rate of erosion

The process by which once-vegetated land turns into desert This can happen through natural processes such as climatic change It can also be caused or accelerated by human activities such as clear-cutting, agricultural overuse, the salinization of the soil from irrigation, or overgrazing

dry land becoming desert, either through a change in climate or through the actions of humans Intensive farming and clearing trees and other vegetation can make desertification worse

Process by which areas of desert are created by natural forests or the activities of man

Denuding and degrading a once-fertile land, initiating a desert-producing cycle that feeds on itself and causes long-term changes in soil, climate, and biota of an area

n: Conversion of rangeland, rain-fed cropland to desert-like land, with a drop in agricultural productivity of 10% or more It is usually caused by a combination of overgrazing, soil erosion, prolonged drought, and climate change

process in which climate change, population change, or population behavior transforms a semiarid region into a desert

the spread of desert conditions into areas were not previously desert This process usually occurs in arid and semi-arid environments

"Desertification means land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities" (Convention to Combat Desertification)

land degradation in arid, semi-arid, and sub-humid areas resulting from various factors, including pollution and changes in the climate

A process whereby the productivity of the land is reduced through deforestation, waterlogging and salinization, chemical degradation by nutrient leaching, range mismanagement such as overgrazing, soil erosion and aridity and semi-aridity

Land degradation in arid, semi-arid, and dry sub-humid areas resulting from various factors, including climatic variations and human activities Further, the UNCCD (The United Nations Convention to Combat Desertification) defines land degradation as a reduction or loss, in arid, semi-arid, and dry sub-humid areas, of the biological or economic productivity and complexity of rain-fed cropland, irrigated cropland, or range, pasture, forest, and woodlands resulting from land uses or from a process or combination of processes, including processes arising from human activities and habitation patterns, such as: (i) soil erosion caused by wind and/or water; (ii) deterioration of the physical, chemical and biological or economic properties of soil; and (iii) long-term loss of natural vegetation

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