Ecumene
The settled areas of the earth, where people have established communities and built infrastructure for living
Arable land
Land that is suitable for growing crops, essential for food production.
Arithmetic density
The population density of an area
Physiological density
The number of people per unit area of arable land
Agricultural density
The number of farmers per unit of arable land
Carrying capacity
The max number of people an environment can support without environmental harm
Replacement rate
The number of children each woman needs to have to keep the population size steady.
Infant mortality rate
The number of babies per 1000 live births who do not make it past their first birthday
Maternal rate
The number of moms who pass away due to pregnancy related issues per 100,000 live births
Doubling time
The amount of time it takes for a population to double in size at its current birth rate
Demographic transition model
The theory that describes how countries evolve from having high birth and death rates to low ones as they develop
Epidemiological transition model
The theory that health threats change as a society develops
Environmental determinism
The belief that the environments climate and geography shapes cultures, societies, and behaviors
Neo-Malthusian
The modernized idea that populations grow faster than food supply, leading to potential disaster
Ester Boserup
Economist that believed that when populations get denser this sparks new farming methods to feed the high population
Anti-natalist policy
Measures from the government that look at decreasing birth rate, encouraging smaller families
Pro-natalist policy
The encouragement of people to have more kids, government could offer benefits, tax breaks, etc
Intervening opportunities
People find goods jobs/ live in nice homes so they stop striding for more
Transnational migration
The movement of people across national borders and they maintain connections in both their home and host countries
Transhumance
When farmers move their animals to different pastures depending on the time of year
Internal migration
When people move around within the same country, small town —> big city
Chain migration
When someone moves somewhere and other people follow
Step migration
When someone goes from a small town to a bigger town, then a city etc. until that person reaches their destination
Guest workers
People who come from abroad to work for a certain amount of time and then go back to where they came from
Brain drain
When smart/skilled people leave their country for better opportunities elsewhere
Remittance
When people send money back home to their families from another country