18 Questions
What was the concept introduced in the report discussed in the text?
Sustainable Development
What percentage of India's land area consists of mountains?
30%
Which type of land is considered as 'Barren and waste land'?
Land unsuitable for cultivation
What is one of the causes of land degradation as discussed in the text?
Deforestation
Which activity falls under 'Land not available for cultivation' category as per the text?
Building roads
What is one solution proposed in the text to address land degradation?
Implementation of afforestation projects
What are some examples of land put to non-agricultural uses?
Settlements, roads, railways
Which activity has contributed significantly to land degradation according to the text?
Deforestation
What is one way to check land degradation in arid areas mentioned in the text?
Controlling overgrazing
Which human activity has not contributed to land degradation according to the text?
Proper management of waste lands
What percentage of basic needs for food, shelter, and clothing are obtained from land?
95%
What is suggested as a solution to reduce land and water degradation in industrial and suburban areas?
Proper management of waste lands
What are some of the main causes of land degradation in states like Jharkhand, Chhattisgarh, Madhya Pradesh, and Odisha?
Deforestation due to mining
Which states experience overgrazing as one of the main reasons for land degradation?
Gujarat, Rajasthan, Madhya Pradesh, Maharashtra
Which activity generates a huge quantity of dust in the atmosphere that can lead to land degradation?
Mineral processing like grinding
What is one of the major consequences of over irrigation in states like Punjab, Haryana, and western Uttar Pradesh?
Increase in salinity and alkalinity in the soil
Which natural resource is highlighted as the most important renewable resource supporting plant growth and various living organisms?
Soil
What are some important factors in the formation of soil mentioned in the text?
Climate and vegetation
Study Notes
Understanding Land and Its Significance
- Land is the most important renewable resource supporting plant growth and various living organisms.
- About 75% of India's land area consists of mountains.
Land Degradation: Causes and Consequences
- Land degradation is a major concern, with around 50% of India's land area affected.
- Overgrazing is a significant cause of land degradation in states like Jharkhand, Chhattisgarh, Madhya Pradesh, and Odisha.
- Mining activities have contributed significantly to land degradation.
- Deforestation and soil erosion are other major causes of land degradation.
Land Uses and Classification
- Land not available for cultivation includes forests, deserts, and barren and waste land.
- Examples of land put to non-agricultural uses include urban areas, roads, and industries.
Solving Land Degradation
- One solution proposed to address land degradation is agroforestry practices.
- In arid areas, checking land degradation can be achieved by planting drought-resistant trees.
- In industrial and suburban areas, reducing land and water degradation can be achieved by adopting sustainable practices like recycling and reusing water.
Interesting Facts
- Over-irrigation in states like Punjab, Haryana, and western Uttar Pradesh leads to waterlogging, which is a major consequence of over-irrigation.
- About 95% of basic needs for food, shelter, and clothing are obtained from land.
- Construction activities generate a huge quantity of dust in the atmosphere, contributing to land degradation.
Explore the concept of land degradation, its causes, and the environmental repercussions. Learn about potential solutions such as afforestation and proper grazing management.
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