Unit 2 key terms Flashcards
Population distribution
is where people live in a geographic area
Climate
is a long term pattern of weather that affects the population distribution indirectly or directly
Temperate climates
moderate temperature and good precipitation
Landforms
natural features of the earth’s surface
Human migration
people move from one place to another permanently
population density
the number of people occupying a certain area of land
Arithmetic density
measure the number of people per unit area of land
Physiological density
number of people per arable land
Agricultural Density
measure number of farmers per unit of arable land
subsistence agriculture
farming done for survival purposes only
carrying capacity
the maximum number of people an environment can withstand
dependency ratio
number of people in a dependent age group (under 15, over 65)
sex ratio
number of males and females in a population
Demographics
data about the structure and characteristics of a population
Fertility
the ability to produce children
crude birth rate (CBR)
number of births in a year per 1000 people
Total fertility rate (TFR)
the number of children a woman in a particular region will give birth to in her child bearing years
Mortality
number of deaths in a population
Crude death rate CDR
Number of deaths per year per 1000 people in a region
Infant mortality rate
the number of deaths of children under the age of 1 per 1000 live births per year
Life expectancy rate
the number of years of person is expected to live
Population pyramids
give age-sex ratio to determine if the population is growing or not
rate of natural increase (INR)
the difference between the CBR and CDR in a defined group of people