Class 12 Geography - ISC
Land Resources
The chapter 'Land Resources' in Class 12 ISC Geography explores the crucial nature of land as a finite resource for human sustenance, economic development, and ecological balance. It covers the changing pattern of land use in India, the distinction between net sown area and gross cropped area, and the major categories of wasteland. Students will study the growing problem of land degradation, its primary causes such as deforestation, overgrazing, and mining, and effective conservation measures. This chapter is vital for board exams as it tests both conceptual understanding and analytical skills regarding India's agricultural and environmental challenges.
Start Learning FreeKey Concepts
Land Use Pattern
The distribution and utilization of the total geographical area of a country for various purposes like agriculture, forestry, pastures, and human settlements.
Net Sown Area
The actual physical area sown with crops and orchards in a country, counted only once even if cropped multiple times in an agricultural year.
Gross Cropped Area
The total area sown once and/or more than once in a particular agricultural year, obtained by multiplying the net sown area by the number of crops grown on it.
Land Degradation
The temporary or permanent decline in the productive capacity of land, caused by human activities and natural factors like soil erosion and salinization.
Common Property Resources (CPRs)
Land and resources owned by the community or government for collective use, such as village pastures, community forests, and watershed areas.
Important Formulas
Board Exam Info
In the ISC Class 12 Geography board exam, this chapter typically carries around 6 to 8 marks. Questions often appear as direct short-answer questions defining terms like net sown area, data interpretation of land-use tables, or long-answer descriptive questions detailing the causes of land degradation and management strategies.
Frequently Asked Questions
What is the difference between Net Sown Area and Gross Cropped Area?
Net Sown Area is the actual physical land cultivated at least once in a year, whereas Gross Cropped Area includes the net sown area plus the area cultivated more than once in the same year through multiple cropping.
Why is land considered a resource of paramount importance?
Land supports all terrestrial life, provides space for human habitation, agriculture, forestry, and industries, and forms the foundation of economic activities and ecosystems.
What are the major causes of land degradation in India?
Key causes include widespread deforestation, overgrazing by livestock, intensive agricultural practices leading to nutrient depletion and salinization, and unscientific mining activities.
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