What is the cause of land degradation?
The major causes of land degradation include, land clearance poor farming practices, overgrazing, inappropriate irrigation, urban sprawl, and commercial development, land pollution including industrial waste and quarrying of stone, sand and minerals.
What are the effects of land degradation?
Its impacts can be far-reaching, including loss of soil fertility, destruction of species habitat and biodiversity, soil erosion, and excessive nutrient runoff into lakes. Land degradation also has serious knock-on effects for humans, such as malnutrition, disease, forced migration, cultural damage, and even war.
What is land degradation?
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.
How does land degradation affect food production?
When left untreated, degraded soil reduces agricultural productivity, while salinity can damage buildings and infrastructure such as water pipes, roads and sewers. Degradation can also damage habitat for wildlife, kill micro-organisms that live in the soil, and harm the quality of our inland waters.
What are the types of land degradation?
Types of land degradation assessed For the purpose of this study, the many and varied processes of land degradation have been grouped into six classes: water erosion, wind erosion, soil fertility decline, salinization, waterlogging, and lowering of the water table.
What are the causes of land degradation What are the ways to solve this problem?
Ways to check land degradation:
- Afforestation and proper management of grazing can help to check land degradation.
- Planting of shelter belts help in checking the sand causing land degradation near the deserts.
- Overgrazing can be checked and avoided.
How can we prevent land degradation?
Following are some practises for controlling land degradation:
- Strip farming: It is & practice in which cultivated crops are sown in alternative strips to prevent water movement.
- Crop Rotation:
- Ridge and Furrow Formation:
- Construction of Dams:
- Contour Farming:
Which two factors are responsible for land degradation?
Some of the factors responsible for land degradation are (i) loss of vegetation occuring due to deforestation (ii) unsustainable fuel wood and fodder extraction (iii) shifting cultivation (iv) encroachment into forest lands (v) forest fires and over grazing (vi) non-adoption of adequate soil conservation measures (vii) …
What is the result of land degradation on human life?
Land degradation and desertification can affect human health through complex pathways. As land is degraded and deserts expand in some places, food production is reduced, water sources dry up and populations are pressured to move to more hospitable areas.
What are the three types of land degradation?
Principal processes of land degradation include erosion by water and wind, chemical degradation (comprising acidification, salinization, leaching etc.) and physical degradation (comprising crusting, compaction, hard-setting etc.).
What are the three process of land degradation?
The main soil degradation process are: (1) soil erosion by water and wind; (2) Development of extreme soil reaction (acidification; salinization/alkalization); (3) physical degradation (structural destruction; compaction; extreme moisture regime); (4) biological degradation; (5) unfavourable changes in the nutrient …
What are the causes of land degradation What are the ways to solve the problem?
Afforestation and proper management of grazing can help to check land degradation. Planting of shelter belts help in checking the sand causing land degradation near the deserts. Overgrazing can be checked and avoided. Stabilisation of sand dunes by growing thorny bushes can also check land degradation.
How can we solve the problem of land degradation?
(i) Afforestation over deforested areas. (ii) Proper management of grazing on permanent pastures. (iii) In areas where, desertification has taken place, growing thorny bushes. (iv) Proper discharge and disposal of industrial effluents after treatment.