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aphg unit 2 vocab
| Term | Definition |
|---|---|
| agricultural population density | ratio of number of farmers to total land amount |
| physiological population desnity | number of people per unit of arable land |
| arithmetic population density | total number of people divided by total land area |
| population distribution | patterns of human settlement, spread of people across Earth |
| arable land | land suited for growing crops |
| population pyramid | bar graph - distribution of population by age and sex |
| infrastrcture | facilities and structures - allow for people to carry out typical activites |
| carrying capacity | number of people an area can support |
| overpopulation | number of people in an area exceeds capacity |
| demography | study of human population |
| chain migration | migration with friends and family following |
| counter migration | flow of people in opposite direction |
| crude birthrate | total number of live births in a year for every 1000 people alive in society |
| dependency ratio | number of people under 15 and over 65 compared to working-age population |
| ecumene | portion of Earth's surface occupied by permanent human settlement |
| emigration | leaving country for another country |
| ethnic enclaves | neighborhoods / city filled with people of same ethnic group |
| forced migration | migration caused by cultural factors like war or persecution |
| immigrants | people moving into a another country |
| immigration | migration to a new country |
| internal migration | migration within the same country |
| internally displaced person | forced migration but staying in the same country |
| intervening oppurtunities | factors migrants occur en route that can disrupt their migration plan |
| life expectancy | average number of years an individual is expected to live |
| Migration | Permanent or semi-permanent relocation of people from one place to another |
| pro-natalist policy | programs designed to increase fertility rates |
| pull factor | positive conditions for migrants |
| push factor | negative conditions for migrants |
| refugees | migrants crossing international border (immigrants) |
| social stratification | grouping people based on factors like status, power, and ethnicity |
| step migration | long distance migration is done in steps |
| TFR | average number of children a woman will have throughout her life |
| transhumance | process of herders moving with their animals to different pastures based on the season |
| voluntary migration | migration done voluntary in search of better opportunities or job |
| xenophobia | fear of foreigners |