ap human geography unit 2 vocab study ap human geography notes
Agricultural density
The ratio of the number of farmers to the total amount of arable land
Arithmetic Density(crude)
The total number of people divided by the total land area, usually in square miles or km
Census
A complete enumeration/count of a population
Crude Birth Rate
The total number of live births in a year for every 1,000 people alive in the society
Crude Death Rate
The total number of deaths in a year for every 1,000 people alive in the society
Demographic Transition
The process of change in a society's population from a condition of high crude birth rates and death rates to an opposing condition resulting in low rates of population growth
Demography
a term derived from greek words, demos, meaning population or people, and graphe, meaning to describe.
Dependency Ratio
The number of people under age 15 and over 64 compared to the number of people active in the labor force
doubling rate
The length of time needed to double the population
Ecumene
The portion of Earth's surface occupied by permanent human settlement
Epidemiological Transition
Distinctive causes of death in each stage of the demographic transition
Epidemiology
The branch of medical science concerned with the incidence, distribution, and control of diseases that are prevalent among a population at a special time and are produced by some special causes not generally present in the affected locality
Industrial Revolution
A series of improvements in technology that transformed the process of manufacturing goods
Infant Mortality Rates
The total number of deaths in a year among infants under one year of age for every 1,000 live births in a society
Life Expectancy
The average number of years an individual can be expected to live, given current social, economic, and medical conditions
Natural Increase Rate
The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate
Overpopulation
A situation in which the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living
Pandemic
Disease that occurs over a wide geographic area and affects a very high proportion of the population
Physiological Density
The number of people per unit of arable land, which is land suitable for agriculture. This measures the pressure that people may place on the land to produce enough food.
Population Pyramid
A bar graph that represents the distribution of population by age and gender
Sex Ratio
The number of men per 100 women in the population
Total Fertility Rate
The average number of children a woman will have throughout her childbearing years
Zero Population Growth
A decline of the total fertility rate to the point where natural increase rate equals zero
Asylum Seeker
Someone who has migrated to another country in the hope of being reorganized as a refugee
Brain Drain
Large-scale emigration by talented people
Chain Migration
Migration of people to a specific location because relatives or members of the same nationality previously migrated there
Circulation
Short-term, repetitive, cyclical movements that recur on a regular basis
Counterurbanization
Net migration from urban to rural areas in more developed countries
Emigration
Migration from a location
Forced migration
Permanent movement, usually compelled by cultural factors, or a natural disaster
Guest Worker
A term once used for a migrant who moved to the developed countries of Northern and Western Europe, usually from Southern/Eastern Europe or North Africa, for higher paying jobs
Immigration
Migration to a new location
Internal Migration
Permanent movement within a particular country
Internally Displaced Person
Someone who has been forced to migrate for political reasons similar, to a refugee, but has not migrated across an international border
International Migration
Permanent movement from one country to another
Interregional Migration
Permanent movement from region of a country to another
Intervening Obstacle
An environmental or cultural feature of the landscape that hinders migration
Intraregional Migration
Permanent movement within one region of a country
Migration
Movement of people from one location to another
Net Migration
The difference between the level of immigration and the level of emigration
Pull Factor
A factor that induces people to move to a new location
Push Factor
A factor that induces people to leave old residences
Quotas
In reference to migration, laws that place maximum limits on the number of people who can immigrate to a country each year
Refugees
People who are forced to migrate from their home country and cannot return for fear of persecution because of their race, religion, nationality, membership in a social group, or political opinion
Unauthorized Immigrants
People who enter a country without proper documents to do so
Voluntary Migration
Permanent movement undertaken by choice
Distribution
The arrangement of locations on Earth's surface where people live.
carrying capacity
the number of people an area can support on a sustained basis. Related to sustainability.
race
a category composed of people who share biologically transmitted traits
Ethnicity
less based on physical traits, and emphasizes a shared cultural heritage
Distance Decay
decline of activity or function with increasing distance from its point of origin
intervening opportunity
the fact that many who set out to move a long distance find good opportunities to settle before they reach their destinations
step migration
Long-distance migration done in stages.
Gravity Model
A model that holds that the potential use of a service at a particular location is directly related to the number of people in a location and inversely related to the distance people must travel to reach the service.