POPULATION GEOGRAPHY
<ul><li>Question: does the world already have too many people?  Can it support more?  If so, where?  Which people?  </li><...
<ul><li>Population Geographer - studies aspects affecting population </li></ul><ul><li>Birthrate:  number of live births p...
<ul><li>Mortality Rate:  number of deaths per thousand (also called the death rate) </li></ul><ul><li>QUESTION--What would...
<ul><li>Rate of natural increase:  also known as the growth rate.  Subtract mortality rate from the birth rate </li></ul><...
<ul><li>A graphic device that shows sex and age distribution. </li></ul><ul><li>See page 79 </li></ul><ul><li>What does a ...
<ul><li>Habitable Lands </li></ul><ul><li>90% of people live in Northern Hemisphere </li></ul><ul><li>Lands between 20 deg...
<ul><li>Migration </li></ul><ul><li>1.Push factors - factors causing people to leave homeland and migrate to another regio...
<ul><li>Pop. Den. Is the average number of people who live in a measurable area (such as square mile or kilometer) </li></...
<ul><ul><li>Explain the factors involved in the world’s population growth </li></ul></ul><ul><ul><li>Describe the distribu...
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Geo: Chapter 4, Section 2

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notes on chapter 4, section 2

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Geo: Chapter 4, Section 2

  1. 1. POPULATION GEOGRAPHY
  2. 2. <ul><li>Question: does the world already have too many people? Can it support more? If so, where? Which people? </li></ul><ul><li>2008 = 6.6 Billion people (according to Wikipedia) </li></ul>
  3. 3. <ul><li>Population Geographer - studies aspects affecting population </li></ul><ul><li>Birthrate: number of live births per thousand population </li></ul><ul><li>according to Wikipedia: Congo is highest with 49.6 per 1000 and Japan is lowest with 8.2 per 1000 </li></ul><ul><li>Fertility Rate: average number of children per woman during childbearing years throughout lifetime </li></ul><ul><li>according to CIA worldbook factbook: Niger is highest with 7.19 and Belarus is lowest with 1.20 </li></ul><ul><li>--replacement rate: number of children each mother must have to maintain current population --estimated is 2.1 </li></ul><ul><li>WHY might this figure be misleading? Is it more appropriate to analyze country levels rather than world? </li></ul>
  4. 4. <ul><li>Mortality Rate: number of deaths per thousand (also called the death rate) </li></ul><ul><li>QUESTION--What would be an ideal or healthy mortality rate? </li></ul><ul><li>Infant Mortality Rate: number of deaths among infants under age one per thousand live births </li></ul><ul><li>QUESTION--What nations might you assume have a high infant mortality rate? Why? Low rate? Why? What factors affect this? </li></ul><ul><li>according to the CIA Worldfact book the US has 6.3 per one thousand, ranking number 46--behind Cuba, most of Europe, South Korea, Japan, and Singapore…is this surprising? Why or why not? </li></ul><ul><li>Other rates studied: perinatal mortality, maternal mortality, child mortality, standardized mortality rate </li></ul>
  5. 5. <ul><li>Rate of natural increase: also known as the growth rate. Subtract mortality rate from the birth rate </li></ul><ul><li>According to the CIA Wolrdfact book the US birth rate is appx. 14 per 1000 and the death rate is 8 per 1000. </li></ul><ul><li>Rate of increase = Birth rate - Death rate = 14 - 8 = 6 per thousand </li></ul>
  6. 6. <ul><li>A graphic device that shows sex and age distribution. </li></ul><ul><li>See page 79 </li></ul><ul><li>What does a higher elderly age rate mean for a community or society? Young age? What is most ideal? </li></ul>
  7. 7. <ul><li>Habitable Lands </li></ul><ul><li>90% of people live in Northern Hemisphere </li></ul><ul><li>Lands between 20 degrees and 60 degrees N latitude have very suitable climate and vegetation conditions = more dense human population </li></ul><ul><li>High population density in coastal regions and river valleys </li></ul><ul><li>Lower population density in polar regions, heavily mountainous regions, desert regions </li></ul><ul><li>More than 1/2 of world’s population lives in rural areas, but dramatically changing </li></ul><ul><li>Largest city in world = city (proper) = Mumbai, India at 13 million </li></ul><ul><li>Let’s look at map on page 80 </li></ul><ul><li>QUESTION: What affect does a higher urban population have on society, nations, the world? </li></ul>
  8. 8. <ul><li>Migration </li></ul><ul><li>1.Push factors - factors causing people to leave homeland and migrate to another region </li></ul><ul><li>Environmental conditions </li></ul><ul><li>War </li></ul><ul><li>Natural disasters </li></ul><ul><li>Persecution </li></ul><ul><li>2.Pull factors - factors that draw or attract people to another location </li></ul><ul><li>Good economy </li></ul><ul><li>High salary </li></ul><ul><li>Climate </li></ul>
  9. 9. <ul><li>Pop. Den. Is the average number of people who live in a measurable area (such as square mile or kilometer) </li></ul><ul><li>How to calculate? </li></ul><ul><li>Total number of inhabitants/total amount of land </li></ul><ul><li>New Jersey has density of app. 1000 people per square mile and Australia has density of app. 6 people per square mile…what is misleading about these figures? </li></ul><ul><li>Carrying Capacity: the number of organisms a piece of land can support </li></ul><ul><li>QUESTION--What factors can increase carrying capacity? </li></ul>
  10. 10. <ul><ul><li>Explain the factors involved in the world’s population growth </li></ul></ul><ul><ul><li>Describe the distribution of the world’s population </li></ul></ul><ul><ul><li>Describe some factors that influence population density and carrying capacity </li></ul></ul>
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