Transcript Chapter 2: Population

Chapter 2: Population
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Demography
 The scientific study of population characteristics
 Gender
 Age
 Occupation
 Fertility
 Health
Overpopulation
 Occurs when the number of people exceeds the
capacity of the environment to support life at a
decent standard of living
Concentration vs Density
 Concentration: Describes where the population is
clustered and where it is sparse
 Density: The relationship between the number of
people and available resources in a particular place
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Large group of people living on fertile farmland next to a river:
high or low density?
Large group of people living in a desert: high or low density?
Key Question 1
 Key Question 1: Where is the world’s population
distributed?
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East Asia
South Asia
Europe
Southeast Asia
 Bonus: What are the four types of areas in the world that
are the most sparsely populated?
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Dry
Wet
Cool
High
Four Clusters
 What do these regions have in common?
 Low-lying areas with fertile soil and temperate climate (similar latitudes)
 Near an ocean, or near a river with easy access to an ocean
 Why are these characteristics important?
 Access to trade
 Ability to sustain population with agriculture
Concentration
Ecumene
 Ecumene: the areas of Earth that humans consider
too harsh for occupancy
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Has the ecumene increased or decreased over time?
What characteristics of ecumene land (with regard to the four
types) would have led it to be uninhabited in the past?
Types of Density
 Arithmetic Destiny (also known as Population
Density): Total number of people in an area
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Calculated by dividing the total number of people living on a
piece of land by the land area
 Arithmetic Density Activity
 Singapore- 7,000
 USA- 30
 Germany- 200
 Hong Kong- 7,000
 Macao- 20,000
Singapore
 Singapore- 7,000
USA
 USA- 30
Germany
 Germany- 200
Hong Kong
 Hong Kong- 7,000
Macau
 Macau- 20,000
Physiological Density
 Physiological Density: The number of people in a
region supported by a unit area of arable land
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Put simply: the amount of people living on each unit of arable
land
What might be some disadvantages to having a high
physiological density?
 Physiological Density Activity
 Singapore- 400,000
 USA- 179
 Germany- 700
 Hong Kong- 130,000
 Macau- no arable land
Agricultural Density
 Agricultural Density: The ratio of the number of
farmers to the amount of arable land
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Put simply: the amount of farmers to farm the land
Why is agricultural density significant?
Do you think agricultural density in countries is trending
toward increase or decrease? Why?
City of Imagination
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