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AP HUG Unit 2

review of what you need to know for unit 2

TermDefinition
Arithmetic Density population DIVIDED by total area
Physiological Density population DIVIDED by arable land
Agricultural Density farmers DIVIDED by arable land
CBR (Crude Birth Rate) (births DIVIDED by population) times 1000 [note: this could be wrong]
CDR (Crude Death Rate) (deaths DIVIDED by population) times 1000 [note: this could be wrong]
NIR (National Increase Rate) (CBR - CDR) DIVIDED by 10 (makes a percentage)
TFR (Total Fertility Rate) average children DIVIDED by women
Epidemiological transition disease shifts from infectious (stages 1-2) to chronic (stages 3-4)
Malthus Theory population grows geometrically, food arithmetically so the population will out grow the food and it will lead to famine
What critics proved Malthus wrong technology, trade and the green revolution
Push Factors traits that "push" people out of their home and make them want to move (war, poverty, persecution, environmental disaster)
Pull Factors traits that "pull" people towards another country to make them want to move there (jobs, safety, freedom, family reunification)
Ravenstein most move short distances
Voluntary Migration movement of people who choose to move (economic migrants, chain migration)
Forced Migration movement of people who have no choice but to move (refugees, internally displaced persons, slavery, trail of tears)
Intervening Obstacles an environmental barrier that prevents people from migrating there (coast, borders, language)
Intervening Opportunities positive features that can persuade migrants to settle (closer place, meets needs)
Brain Drain skilled workers leave through migration
Remittances money sent to home country from migrants who left
DTM Stage 1 Pre-industrial. High birth rate. High Death rate. Low/zero growth rate
DTM Stage 2 Early transition. High Birth Rate. falling death rate. rapid growth rate
DTM Stage 3 Late transition. Falling birth rate. Low death rate. Slowing growth rate
DTM Stage 4 Post-Industrial. Low birth rate. Low death rate. Low/zero growth rate
DTM Stage 5 (possible). very low birth rate. Low death rate. Negative growth rate
Created by: Mila_pic
 

 



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