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Unit 06 Population Distribution & Growth

Unit 06 Population Distribution & Growth. Population Density & Global Patterns . 6.1.1 define the terms population density, densely populated, and sparsely populated; 6.1.2 explain why population density is not always an accurate indicator of population distribution;

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Unit 06 Population Distribution & Growth

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  1. Unit 06 Population Distribution & Growth

  2. Population Density & Global Patterns. • 6.1.1 define the terms population density, densely populated, and sparsely populated; • 6.1.2 explain why population density is not always an accurate indicator of population distribution; • 6.1.3 examine patterns in the distribution of population on the earth’s surface; • 6.1.4 analyze the impact of selected factors on the population distribution of a given region.

  3. Population Density Terminology • Population density is a measure of how compact or concentrated a population is. It takes land into account as well as population.

  4. Population Density = population per unit area(unit area is usually measured in Km2 or miles2) • Sparsely populated = small number of people per unit area • ( less than 100 people / Km2) • Densely Populated = high number of people per unit area • (higher than 100 people / Km2 )

  5. World and Countries Population Density • List of countries by population density • Population density of the continents: • North America - 32 people per square mile • South America - 73 people per square mile • Europe - 134 people per square mile • Asia - 203 people per square mile • Africa - 65 people per square mile • Australia - 6.4 people per square mile

  6. Global Patterns of Population Density • North America: • Sparsely populated in north, • Densely populated along North eastern U.S. and south western U.S.

  7. Global Patterns of Population Density • South America: • Sparsely populated in Center, • Densely populated along Western Coast But most dense south Eastern Brazil

  8. Global Patterns of Population Density • Europe: • Sparsely populated in Extreme North, • Densely populated throughout remainder

  9. Global Patterns of Population Density • Asia: • Sparsely populated in North & center, • Densely populated in South East

  10. Global Patterns of Population Density • Africa: • Sparsely populated in Sahara, • Densely in North & Sub Sahara

  11. Factors Affecting Population Density • There are a range of human and natural factors that affect population density. • Human Factors • Political • Social • Economic • Natural Factors (Physical Factors) • Relief (shape and height of land) • Resources • Climate

  12. Human Factors • Political • Countries with stable governments tend to have a high population density e.g. Singapore • Unstable countries tend to have lower population densities as people migrate e.g. Afghanistan.

  13. Human Factors • Social • Groups of people want to live close to each other for security e.g. USA (High density) • Other groups of people prefer to be isolated e.g. Scandinavians (Low density)

  14. Human Factors • Economic • Good job opportunities encourage high population densities, particularly in large cities in MEDCs and LEDCs around the world. (High density) • Limited job opportunities cause some areas to be sparsely populated e.g. Amazon Rainforest

  15. Natural Factors (Physical Factors) • Climate • Warmer comfortable climates attract people. Areas with temperate climates tend to be densely populated as there is enough rain and heat to grow crops e.g. UK • Areas with extreme climates of hot and cold tend to be sparsely populated e.g. the Sahara Desert

  16. Natural Factors (Physical Factors) • Resources • Areas rich in resources (e.g. coal, oil, wood, fishing etc.) tend to densely populated e.g. Western Europe • Areas with few resources tend to be sparsely populated e.g. The Sahel

  17. Natural Factors (Physical Factors) • Relief (shape and height of land) • Low land which is flat e.g. Ganges Valley in India (High density) • High land that is mountainous e.g. Himalayas (Low density)

  18. Transportation • Coastal regions attracted business and people because of ocean transportation. • It was true for initial settlement and is still true today. • Most major cities are located on the coast.

  19. Population Distribution Case Study • 6.1.4 analyze the impact of selected factors on the population distribution of a given region. • The factors that influence the distribution of people in Newfoundland and Labrador in particular. • While discussing Newfoundland's population distribution you should be able to apply the same thinking to any situation.

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