AP Human Geo Ch4

Rate of natural increase (RNI)

The difference between the CBR and CDR of a defined group of people.

Doubling time (DT)

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

Urbanization

The growth and development of countries

Overpopulation

A population that exceeds its sustainablr size/ carrying capacity

Neo-Malthusian

Claims that earth’s resources can only support a finite population

Demographic Transition Model (DTM)

Reperesents the shift in growth that the wirld’s population have undergone—and are still experiencing

Epidemiological transition model (ETM)

Describes changes in fertility, mortality, life expectancy, and population age distribution

ONE unpredictable factor that influences population size

Disease

Land degradation

The decline in the quality, health, and productivity of the land