Unit 2: Population- Migration and Dispersion
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| Age Distribution | (Population Pyramid) Used to show development, significant events in countries, etc.
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| Carry capacity | The population level that can be supported, given the quantity of food, habitat, water
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| Cohort | Population of various age categories in an age-sex population pyramids. Used to show the stage of a country in the Demographic Transition Model
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| Demographic Equation | births-deaths+net migration
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| Demographic Momentum | The tendency for growing population to continue growing after a fertility decline because of young age distribution
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| Demographic Transition Model | Stage 1: Low Growth
Stage 2: High Growth
Stage 3: Moderate Growth
Stage 4: Low Growth
Stage 5: Zero/Negative Growth (not officially a stage)
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| Dependency Ratio | Number of people who are too young or too old to work compared to number or people who can work
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| Doubling Time | Number of years it takes to double a population
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| Ecumene | Proportion of Earth's surface occupied by permanent human settlement.
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| Infant Mortality Rate | Annual number of infant deaths compared to live births
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| J-Curve | In a population pyramid, it shows exponential growth.
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| Thomas Malthus | Geographer that first started worrying about overpopulation. People reproduce geometrically while food is produced arithmetically.
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| Natality (Crude Birth Rate) | Ratio of live births in an area to the population of that area
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| Overpopulation | Relationship between the number of people on Earth and the availability of resources
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| Population Distributions | Arrangement of a feature in space
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| Population Explosion | Sudden increase in population
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| Population Projection | Predicts the future population of an area or world
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| Rate of Natural Increase | Percentage by which a population grows in a year
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| Standard of Living | Refers to the quality and quantity of goods and services available to people and the way they are distributed within a population
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| Sustainability | Providing the best outcomes for human and natural environments both in the present and the future
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| Underpopulation | refers to the sharp decrease in a region's population
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| Zero Population Growth | Crude birth rate = crude death rate, thus natural increase is zero
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| Chain Migration | When one family member/group migrates to a country and other groups follow shortly after
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| Cyclic Movement | Trends in migration that have a clear cycle
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| Forced Migration | When people are removed from their counties and forced to live elsewhere because of war, natural disaster, government instability
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| Gravity Model | Predicts that the optimal location of a service is directly related to the number of people in the area and inversely related to the distance people must travel to access it
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| Internal Migration | Permanent movement within a country
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| Intervening Opportunity | Environmental or cultural feature that helps migration
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| Intercontinental Migration | Permanent movement from one county to a different country within the same continent.
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| Interregional Migration | Permanent movement from one region of a country to another region
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| Rural-Urban Migration | Permanent movement from rural area to city
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| Push-pull factors | Factors that induce people to leave or come to a location
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| Transhumance | Seasonal migration of livestock between mountains and lowland pasture areas
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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