Unit 2 Flashcards
Population Distribution
Where people live within a geographic area
Climate
Long term patterns of weather in an area that greatly affect population distribution in direct or indirect ways
Temperate Climates
Moderates temperatures and adequate rainfall
Landforms
Earths physical features
Human Migration
When people make a permanent move from one place to another
Population Density
Number of people occupying a unit of land
Arithmetic Density
Measures the total number of people per unit of land
Physiological Density
Total number of people per unit of arable land
Arable Land
Lands that can be used to grow crops
Agriculture Density
Measures the total number of farmers per unit of arable land
Subsistence Agriculture
Farming taking place is providing crops and livestock for only the farmers families and close community
Carrying Capacity
Maximum population size an environment can sustain
Dependency Ratio
Number of people in a dependent age group (under age 15 or age 65 and older) divided by the number of people in the working-age group (ages 15 to 64), multiplied by 100
Sex Ratio
The ratio of males-females in a population
Demographics
Data about the structures and characteristics of human population
Fertility
Ability to produce children
Crude Birth Rate (CBR)
The number of births in a given year per 1000 people in a given population
Total Fertility Rate(TFR)
Average number of children one woman in a given country will have during her childbearing years.
Morality
Death
Crude Death Rate(CDR)
The number of deaths in a given year per 1000 people in a given population
Infant Mortality Rate(IMR)
Number of deaths of children under the age of 1 per 1000 live births
Life Expectancy
Average number of years a person is expected to live
Political Pyramids
Graphs show age-sex distribution of a population
Rate of Natural Increase(RNI)
The difference between the CBR and CDR in a defined group of people
Doubling Time (DT)
number of years in which a population growing at a certain rate will double
Urbanization
The growth and development of cities