Land, Soil, Water, Natural Vegetation and Wildlife Resources Flashcards
What percentage of the world’s population lives on a specific portion of the Earth’s land?
90%
What percentage of the Earth’s land is sparsely populated or uninhabited?
70%
How much of Earth’s surface is covered by land?
30%
Why is population distribution uneven on Earth?
The cause for the uneven population in certain parts is the varied characteristics of land and climate.
Name some areas which are uninhabited.
Rugged topography, Steep slopes of the mountains and Low-lying areas susceptible to water.
Name the areas which are densely populated.
Plains, lands which are suitable for agriculture and river valleys.
What are the primary ways humans utilize land?
The land is used for different purposes such as agriculture, forestry, mining, building houses, roads and setting up of industries.
What factors influence how land is used?
Physical Factors determining the use of land- topography, soil, climate, minerals and availability of water.
Human Factors that are human determinants of land use pattern- population and technology
What is the primary cause of land degradation?
Ever Growing population and their growing demands lead to large-scale destruction of forest cover and other natural resources.
What are some common methods used to conserve land resources?
Afforestation, land reclamation, regulated use of chemical pesticides and fertilisers, checks on overgrazing.
What is soil primarily composed of?
Soil is made up of organic matter, minerals and weathered rocks found on the earth through the process of weathering.
What is a landslide?
The mass movement of rock, debris or earth down a slope is known as Landslide, and it often takes place in conjunction with earthquakes, floods and volcanoes.
