Sambala One Shot Geography - Class 10 Odisha Board Geography

Resources, Their Development, Land and Soil Resources

Meaning and Definition of Resources

A resource is anything that fulfills human needs and is considered valuable and useful. Resources can be natural, biological, non-biological, or energy-based, and their utility depends on technological, economic, and cultural perspectives. The definition emphasizes that resources are those elements in the environment that can satisfy individual or societal needs.

• Key points:
  • Anything that fulfills human needs is a resource.
  • Resources can be tangible (material) or intangible (energy, knowledge).
  • Utility, value, and accessibility are essential for something to be considered a resource.…

Resources, Their Development, Land and Soil Resources

Meaning and Definition of Resources

A resource is anything that fulfills human needs and is considered valuable and useful. Resources can be natural, biological, non-biological, or energy-based, and their utility depends on technological, economic, and cultural perspectives. The definition emphasizes that resources are those elements in the environment that can satisfy individual or societal needs.

• Key points:
  • Anything that fulfills human needs is a resource.
  • Resources can be tangible (material) or intangible (energy, knowledge).
  • Utility, value, and accessibility are essential for something to be considered a resource.
  • Technological feasibility, economic viability, and cultural acceptance are necessary for resource utilization.

Characteristics of Resources

Resources possess certain features that distinguish them and determine their usability. These characteristics include utility, efficiency, availability, and adaptability to change.

• Utility: The ability to satisfy human needs.
• Efficiency: Resources must be capable of being used effectively for various purposes.
• Availability: Resources should be accessible for use.
• Adaptability: Resources can be modified or improved through scientific methods.

Types of Resources

Resources are classified based on different criteria such as origin, renewability, ownership, and stage of development. Each classification helps in understanding resource management and planning.

• By Origin:

  • Natural Resources: Found in nature (biotic and abiotic).
  • Cultural Resources: Created by human activities (hospitals, police stations).
  • Human Resources: Skills, knowledge, and abilities of people.

• By Formation:

  • Biotic: Living resources (plants, animals).
  • Abiotic: Non-living resources (minerals, water).

• By Utility and Accessibility:

  • Actual Resources: Currently in use.
  • Potential Resources: Not yet utilized due to lack of technology or knowledge.

• By Renewability:

  • Renewable: Can be replenished (water, air).
  • Non-renewable: Cannot be replenished (coal, petroleum).

• By Ownership:

  • Individual: Owned by individuals.
  • Community: Owned by groups or communities.
  • National: Owned by the nation.
  • International: Managed by international organizations.

• By Distribution:

  • Localized: Found in specific areas (minerals).
  • Universal: Found everywhere (air, sunlight).

• By Stage of Development:

  • Stock: Known but not yet utilized.
  • Reserve: Can be used with available technology.
  • Developed: Fully utilized.
  • Potential: May be used in the future.

Resource Development and Sustainable Management

Resource development involves the proper utilization, conservation, and renewal of resources to ensure their availability for future generations. Sustainable management is essential to prevent resource depletion and environmental degradation.

• Principles:

  • Use resources judiciously and efficiently.
  • Recycle and reuse resources where possible.
  • Adopt scientific methods for resource management.
  • Promote awareness and education for sustainable use.

• Methods:

  • Crop rotation to maintain soil fertility.
  • Use of new technology and skills for resource renewal.
  • Protection of biodiversity and ecological balance.

Land Resources: Types and Utilization

Land is a fundamental resource that supports various human activities such as agriculture, habitation, industry, and transportation. The utilization of land depends on its type, fertility, and location.

• Types of Land:

  • Mountainous Land: Used mainly for tourism and forest resources.
  • Plateau Land: Rich in minerals, suitable for mining.
  • Plain Land: Highly fertile, used for agriculture and dense settlements.

• Land Use Categories:

  • Forest Land: Should ideally cover 33% of total area; currently less in India.
  • Cultivable Waste Land: Land not used for cultivation but can be reclaimed.
  • Fallow Land: Left uncultivated for a period to regain fertility.
  • Permanent Pasture: Used for grazing livestock.
  • Non-agricultural Land: Used for settlements, industries, roads, etc.

Problems and Solutions in Land Use

Land resources face several challenges such as deforestation, overgrazing, soil erosion, and urbanization. Addressing these issues is crucial for sustainable development.

• Problems:

  • Deforestation reduces forest cover.
  • Overgrazing leads to land degradation.
  • Soil erosion by water and wind.
  • Urban expansion reduces agricultural land.

• Solutions:

  • Afforestation and reforestation.
  • Controlled grazing practices.
  • Construction of check dams and bunds.
  • Scientific land use planning and management.

Soil Resources: Formation and Types

Soil is formed through the weathering of rocks and the accumulation of organic matter over time. The process is slow and influenced by climate, parent rock, organisms, and topography.

• Soil Formation:

  • Weathering of rocks produces fine particles.
  • Organic matter from plants and animals mixes with minerals.
  • Soil profile develops with distinct layers.

• Types of Soil (as per Indian Council of Agricultural Research):

  • Alluvial Soil: Found in plains, highly fertile, suitable for rice and wheat.
  • Red Soil: Found in areas with moderate rainfall, reddish due to iron content.
  • Black Soil: Found in Deccan plateau, suitable for cotton.
  • Laterite Soil: Found in areas with high rainfall and temperature.
  • Mountain Soil: Found in hilly regions.
  • Desert Soil: Found in arid regions, low fertility.
  • Saline and Alkaline Soil: Found in arid and semi-arid regions, high salt content.
  • Peaty and Marshy Soil: Found in wet and humid areas.

Soil Conservation and Management

Soil conservation is essential due to the slow rate of soil formation and the rapid rate of soil degradation. Proper management ensures long-term productivity and ecological balance.

• Conservation Methods:

  • Planting trees and grass to prevent erosion.
  • Contour ploughing and terracing on slopes.
  • Controlled grazing and afforestation.
  • Avoiding overuse of chemical fertilizers and pesticides.

• Key Points:

  • Soil is a renewable resource but takes thousands of years to form.
  • Loss of soil fertility affects agricultural productivity.
  • Community participation is vital for effective soil conservation.

Geographical Location of India

India is located in the northern hemisphere, in the southern part of the Asian continent. Its geographical coordinates and extent influence its climate, biodiversity, and resource distribution.

• Latitudinal Extent: $8^\circ 4'$ N to $37^\circ 6'$ N
• Longitudinal Extent: $68^\circ 7'$ E to $97^\circ 25'$ E
• North-South Length: 3,214 km (Indira Col to Kanyakumari)
• East-West Width: 2,933 km (Arunachal Pradesh to Gujarat)
• Tropic of Cancer: $23^\circ 30'$ N passes through the middle of India.

Exam-Oriented Key Points and Practice Questions

For board exams, focus on definitions, characteristics, types, and differences between concepts. Practice writing short notes and distinguishing features as these are frequently asked.

• Practice Questions:

  • Classify resources based on origin and utility.
  • Differentiate between renewable and non-renewable resources.
  • Write short notes on black soil and red soil.
  • Explain the importance of soil conservation.
  • List the main types of land use in India.
  • Describe the geographical location of India with coordinates.

• Tips:

  • Memorize key definitions and characteristics.
  • Use examples from daily life to illustrate resource types.
  • Draw labeled diagrams/maps where required.
  • Revise differences and classification tables for quick recall.

Table: Major Soil Types and Key Features

• Table based on explicit mapping in transcript; memorize for exam-based questions.