What is land degradation and desertification? Write the causes of it with its control measures.
Answers
Answer:
Overgrazing is the major cause of desertification worldwide. Other factors that cause desertification include urbanization, climate change, overuse of groundwater, deforestation, natural disasters, and tillage practices in agriculture that make soils more vulnerable to wind.
Explanation:
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Explanation:
Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable
Desertification is a type of land degradation in drylands in which biological productivity is lost due to natural processes or induced by human activities whereby fertile areas become increasingly arid
causes of land degradation:
Land clearance, such as clearcutting and deforestation.
Agricultural depletion of soil nutrients through poor farming practices.
Livestock including overgrazing and overdrafting.
Inappropriate irrigation and overdrafting.
Urban sprawl and commercial development.
Vehicle off-roading.
causes of land desertification:
Climatic variations' and 'Human activities' can be regarded as the two main causes of desertification. removal of the natural vegetation cover（by taking too much fuel wood）, agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
control measures of land degradation:
Gardening. Planting vegetation and grass can stop heavy rains from damaging our land and it protects the topsoil from being washed away.
Afforestation and Reforestation. ...
Conservation Tillage. ...
Constructing Wind Breakers. ...
Using Fertilizers.
control measures of land desertification:
Integrating land and water management to protect soils from erosion, salinization, and other forms of degradation.
Protecting the vegetative cover, which can be a major instrument for soil conservation against wind and water erosion.
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