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Land,
Soil, Water,
Natural Vegetation
and Wildlife Resources
Chapter 2
Part 1
Presenting by Agna Yashin
Land
• Land is among the most important natural resources.
• It covers only about thirty per cent of the total area of
the earth’s surface and all parts of this small percentage
are not habitable.
• The uneven distribution of population in different
parts of the world is mainly due to varied characteristics
of land and climate
• The rugged topography, steep slopes
of the mountains, low-lying areas susceptible to water
logging, desert areas, thick forested areas are normally
sparsely populated or uninhabited.
• Plains and river
valleys offer suitable land for agriculture. Hence, these
are the densely populated areas of the world.
Land Use
• Land is used for different purposes such as agriculture ,
forestry, mining, building houses, roads and setting up of
industries. This is commonly termed as Land use
• The use of land is determined by
Physical
Factors
Soil
Climate
Availability
of water
Mineral
Topography
LAND
Private land
Community
Land
Land can also be classified on the basis of ownership as
Private land is owned by
individuals
Community land is owned by the
community for common uses like
collection of fodder, fruits, nuts or
medicinal herbs
These community
lands are also called Common
property resources
Change in land use over time
• People and their demands are ever growing but the
availability of land is limited.
• The quality of land also differs from place to place.
• People started encroaching the common lands to build
up commercial areas, housing complexes in the urban
areas and to expand the agricultural land in the rural
areas.
Major threats to the environment because of the expansion of
agriculture and construction activities.
Soil Erosion
Land
Degaradation
Land Slide Desertification
Major
Threat
Chapter 2-Land, Soil, Water, Natural Vegetation and Wildlife Resources-Geography -NCERT-Class 8
Conservation of Land Resource
• Growing population and their ever growing demand has
led to a large scale destruction of forest cover and arable
land and has created a fear of losing this natural
resource
• Therefore, the present rate of degradation of land
resources must be checked.
Afforestation Land Reclamation
Regulated use of
chemical pesticide and
fertilisers
Checks on
overgrazing
Common
methods to
Conserve land
Landslides
• Landslides are simply defined as the mass movement of rock,
debris or earth down a slope.
• Take place in conjunction with earthquakes, floods and volcanoes.
• A prolonged spell of rainfall can cause heavy landslide that can
block the flow of river for quite some time.
• The formation of river blocks can cause havoc to the settlements
downstream on its bursting.
• In the hilly terrain landslides have been a major and widely spread
natural disaster that often strike life and property and occupy a
position of major concern.
Mitigation Mechanism
• Advancement in scientific techniques has empowered
us to understand what
factors cause landslides and how to manage them.
• Hazard mapping locate areas prone to landslides. Hence, such
areas can be avoided for building settlements.
• Construction of retention wall to stop land from slipping.
• Increase in the vegetation cover is an effective way to arrest
landslide.
• The surface drainage control works are implemented to control
the movement of landslide along with rain water and spring
flows.
Mitigation Techniques

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Chapter 2-Land, Soil, Water, Natural Vegetation and Wildlife Resources-Geography -NCERT-Class 8

  • 1. Land, Soil, Water, Natural Vegetation and Wildlife Resources Chapter 2 Part 1 Presenting by Agna Yashin
  • 2. Land • Land is among the most important natural resources. • It covers only about thirty per cent of the total area of the earth’s surface and all parts of this small percentage are not habitable. • The uneven distribution of population in different parts of the world is mainly due to varied characteristics of land and climate • The rugged topography, steep slopes of the mountains, low-lying areas susceptible to water logging, desert areas, thick forested areas are normally sparsely populated or uninhabited. • Plains and river valleys offer suitable land for agriculture. Hence, these are the densely populated areas of the world.
  • 3. Land Use • Land is used for different purposes such as agriculture , forestry, mining, building houses, roads and setting up of industries. This is commonly termed as Land use • The use of land is determined by Physical Factors Soil Climate Availability of water Mineral Topography
  • 4. LAND Private land Community Land Land can also be classified on the basis of ownership as Private land is owned by individuals Community land is owned by the community for common uses like collection of fodder, fruits, nuts or medicinal herbs These community lands are also called Common property resources
  • 5. Change in land use over time • People and their demands are ever growing but the availability of land is limited. • The quality of land also differs from place to place. • People started encroaching the common lands to build up commercial areas, housing complexes in the urban areas and to expand the agricultural land in the rural areas.
  • 6. Major threats to the environment because of the expansion of agriculture and construction activities. Soil Erosion Land Degaradation Land Slide Desertification Major Threat
  • 8. Conservation of Land Resource • Growing population and their ever growing demand has led to a large scale destruction of forest cover and arable land and has created a fear of losing this natural resource • Therefore, the present rate of degradation of land resources must be checked.
  • 9. Afforestation Land Reclamation Regulated use of chemical pesticide and fertilisers Checks on overgrazing Common methods to Conserve land
  • 10. Landslides • Landslides are simply defined as the mass movement of rock, debris or earth down a slope. • Take place in conjunction with earthquakes, floods and volcanoes. • A prolonged spell of rainfall can cause heavy landslide that can block the flow of river for quite some time. • The formation of river blocks can cause havoc to the settlements downstream on its bursting. • In the hilly terrain landslides have been a major and widely spread natural disaster that often strike life and property and occupy a position of major concern.
  • 11. Mitigation Mechanism • Advancement in scientific techniques has empowered us to understand what factors cause landslides and how to manage them. • Hazard mapping locate areas prone to landslides. Hence, such areas can be avoided for building settlements. • Construction of retention wall to stop land from slipping. • Increase in the vegetation cover is an effective way to arrest landslide. • The surface drainage control works are implemented to control the movement of landslide along with rain water and spring flows. Mitigation Techniques