Human Populations Flashcards
Population density:
Population per area.
Population distribution:
How the population is spread.
Log /exponential phase:
When the growth rate of a population increases.
Lag phase:
When growth is slow because it is still adapting.
Push factors for moving away:
*drought/famine.
*poverty.
*poor links.
*poor services.
*desertification.
*sea-level rise.
*seasonal weather events.
Push factors for moving into an area:
*Food supplies.
*healthcare/medicine.
*education/schools.
*better infrastucture.
*well-paid jobs.
*electricity.
Dependent people:
People who are not economically active(children/old people)
Independent people:
People who are economically active.
Taxes from the independent used for:
*education/schools.
*care-homes/hospitals.
Managing population size:
*family planning.
*contraception.
*health/education.
*national population policies.
Population policies:
Pronatalist policies and antinatalist policies.
Pronatalist policy:
Policy aimed to encourage couples to have children.
Antinatalist policy:
Policy aimed to prevent couples from having children/have them have fewer children.
Carrying capacity:
Maximum size of a population that an environment can withhold.
History of human population:
*10 000 years ago there were 5million people living as hunter-gatherers.
*6000 years ago humans started growing crops/rearing animals.
*ever since the population started to be recorded, the population rapidly increased.
