AP Human Geography - Unit 2 Flashcards

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174 Terms

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Population Distribution

Where people live within a geographic area.

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Uniform Pattern

A population distribution that is spread out evenly over an area.

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Clustered Pattern

A population distribution that is grouped or clumped together around a central point.

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Linear Pattern

A population distribution that appears to form long and narrow lines.

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Dispersed Pattern

A population distribution that is spread out.

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Random Pattern

A population distribution that is without apparent order or logic.

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Climate

The long-term patterns of weather in an area.

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Temperate Climates

Climates with moderate temperatures and adequate precipitation amounts.

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Landforms

The natural features of Earth's surface.

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Alluvial Soils

Soils created when the flow of rivers and streams slows, allowing particles of soil and other matter suspended in the water to settle.

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Aquifers

Underground water sources.

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Human Migration

When people make a permanent move from one place to another.

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Population Density

The number of people occupying a unit of land.

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Arithmetic Density

The total number of people per unit area of land.

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Physiological Density

The total number of people per unit of arable land.

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Arable Land

Land that can be used to grow crops.

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Subsistence Agriculture

A type of farming where there are fewer mechanical resources available and farmers work the land with hand tools and animal power.

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Agricultural Density

The total number of farmers per unit of arable land.

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Carrying Capacity

The maximum population size of a species that the environment can sustain indefinitely.

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Dependency Ratio

The number of people in a dependent age group (under age 15 or age 65 and older) divided by the number of people in the working-age group (ages 15 to 64), multiplied by 100.

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Sex Ratio

The proportion of males to females in a population.

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Fertility

The ability to produce children.

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Crude Birth Rate (CBR)

The number of births in a given year per 1,000 people in a given population.

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Total Fertility Rate (TFR)

The average number of children a woman will have during her childbearing years.

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Mortality

The number of deaths in a population.

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Crude Death Rate (CDR)

The number of deaths of a given population per year per 1,000 people.

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Infant Mortality Rate (IMR)

The number of deaths of children under the age of 1 per 1,000 live births.

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Life Expectancy

The average number of years a person is expected to live.

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Population Pyramid

A graph that shows the age-sex distribution of a given population to indicate whether that population is growing rapidly, growing slowly, or in decline.

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Rate of Natural Increase (RNI)

The difference between the crude birth rate (CBR) and the crude death rate (CDR) of a defined group of people.

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Doubling Time

The number of years in which a population growing at a certain rate will double.

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Urbanization

The growth and development of cities.

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Overpopulation

A population that exceeds its sustainable size, or carrying capacity.

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Malthus's Theory of Population Growth

A theory that the world's population would increase exponentially and outgrow its food supply, which would grow arithmetically.

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Neo-Malthusian

Someone who believes that Earth's resources can only support a finite population.

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Demographic Transition Model (DTM)

A model that shows the shifts in growth that the world's populations have undergone, and are still experiencing, over time.

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Epidemiological Transition Model (ETM)

A model that describes changes in fertility, mortality, life expectancy, and population age distribution, largely as the result of changes in causes of death.

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Antinatalist Policies

Policies that discourage citizens from having children.

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Pronatalist Policies

Policies that encourage births and aim to accelerate population growth.

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Land Degradation

Long-term damage to the soil's ability to support life.

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Mobility

All types of movement from one location to another, whether temporary or permanent or over short or long distances.

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Circulation

Temporary, repetitive movements that recur on a regular basis.

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Human Migration

The permanent movement of people from one place to another.

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Emigration

Movement away from a location.

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Immigration

Movement to a location.

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Net Migration

The difference between the number of emigrants and immigrants in a location.

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Gravity Model

A model that geographers derived from Newton's law of universal gravitation to predict the interaction between two or more places.

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Push Factor

A negative cause that compels someone to leave a location.

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Pull Factor

A positive cause that attracts someone to a new location.

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Voluntary Migration

When people make the choice to move to a new place.

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Forced Migration

When people are compelled to move by economic, political, environmental, or cultural factors.

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Transnational Migration

When immigrants to a new country retain strong cultural, emotional, and financial ties to their country of origin.

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Internal Migration

Movement within a country's borders.

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Friction of Distance

A concept that states that the longer a journey is, the more time, effort, and cost it will involve.

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Transhumance

A form of migration practiced by nomads who move herds between pastures at cooler, higher elevations during the summer and lower elevations during the winter.

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Chain Migration

A type of migration in which people move to a location because others from their community have previously migrated there.

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Step Migration

A series of smaller moves to get to the ultimate destination.

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Intervening Obstacle

An occurrence that holds migrants back.

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Guest Worker

A migrant who travels to a new country as temporary labor.

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Circular Migration

When migrant workers move back and forth between their country of origin and the destination country where they work.

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Distance Decay

A principle stating that the farther away one thing is from another, the less interaction the two things will have.

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Refugee

A person who is forced to leave their country for fear of persecution or death.

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Asylum

The right to protection in a new country.

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Internally Displaced Person (IDP)

A person who is forced to leave their home region but who has not crossed an international boundary.

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Human Trafficking

The recruitment, transportation, harboring, or receipt of persons by improper means.

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Repatriate

To return to one's home country.

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Interregional Migration

Movement from one region of the country to another.

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Intraregional Migration

Movement within one region of the country.

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Kinship Links

Networks of relatives and friends.

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Skills Gap

A shortage of people trained in a particular industry.

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Remittances

Money earned by an emigrant abroad and sent back to their home country.

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Brain Drain

The loss of trained or educated people to the lure of work in another—often richer—country.

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Relocation Diffusion

The spread of cultural traits through migration.

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Four main population clusters

East Asia, South Asia, Southeast Asia, and Europe.

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Factors influencing population distribution

Physical/Environmental (climate, landforms, water access) and Human (economic, political, cultural, historical).

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Stage 1 of DTM

High stationary: high birth rate, high death rate, stable population.

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Stage 2 of DTM

Early expanding: high birth rate, rapidly declining death rate, rapid population growth.

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Stage 3 of DTM

Late expanding: declining birth rate, slowly declining death rate, slowing population growth.

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Stage 4 of DTM

Low stationary: low birth rate, low death rate, stable or slowly increasing population.

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Stage 5 of DTM

Declining: very low birth rate, low death rate, slowly decreasing population.

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Stage 1 of ETM

Pestilence and Famine: infectious and parasitic diseases, accidents, animal attacks.

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Stage 2 of ETM

Receding Pandemics: improved sanitation, nutrition, and medicine reduce the spread of infectious diseases.

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Stage 3 of ETM

Degenerative and Human-Created Diseases: fewer deaths from infectious diseases, more from chronic diseases associated with aging (heart disease, cancer).

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Stage 4 of ETM

Delayed Degenerative Diseases: medical advances extend life expectancy for those with degenerative diseases.

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Stage 5 of ETM

Reemergence of Infectious and Parasitic Diseases: diseases become resistant to antibiotics and vaccines.

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Ravenstein's Laws of Migration

A set of 11 generalizations about migration, including that most migration is over a short distance and occurs in steps.

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Example of a push factor

War, famine, natural disaster, lack of jobs, political persecution.

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Example of a pull factor

Job opportunities, political freedom, better climate, family.

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Example of forced migration

The transatlantic slave trade, the Trail of Tears, refugees fleeing conflict.

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Example of voluntary migration

Moving to a new city for a job, retiring to a warmer climate.

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Example of an intervening obstacle

Lack of money, physical barrier (mountain, ocean), visa requirements.

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The Great Migration

The movement of more than 6 million African Americans from the rural South to the urban Northeast, Midwest, and West between 1916 and 1970.

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Sun Belt

The southern and western regions of the United States that have experienced high population growth since the 1960s.

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Rust Belt

A region of the northeastern and midwestern United States that has experienced industrial decline, deindustrialization, and population loss.

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Impact of aging population

Increased dependency ratio, strain on healthcare and social security systems, shrinking workforce.

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Impact of youthful population

High dependency ratio, need for more schools and jobs, potential for demographic dividend.

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Pro-natalist country example

France, Japan, Russia.

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Anti-natalist country example

China (One-Child Policy), India.

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Country with a high arithmetic density

Netherlands, Bangladesh, Japan.

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Country with a low arithmetic density

Canada, Australia, Russia.