Unit 2 Flashcards
arithmetic density
number of people per land area
physiological density
number of people supported by a unit of arable land
agricultural density
ratio of the number of farmers to the amount of arable land
carrying capacity
the number of people, other living organisms, or crops that a region can support without environmental degradation.(deterioration of the environment)
Population distribution
the spread of people in an area
dispersed
population, buildings, or other features spread out over a wider area
clustered
population, buildings, or other features are concentrated in a specific area or region with little to no space between them
Population density
the amount of people in an area
desertification
the process by which arable land loses its fertility and becomes a desert.
urban sprawl
the unrestricted growth and expansion of an urban or suburban area into the surrounding countryside)
Population pyramid
shows the amount of people belonging to both genders in a specific age range
Regional
Can provide insight into the economic potential of a region
Local
help understand the dynamics of a community; Ex. a city with a large population in the 20-24 age range may be home to different colleges, resulting in more of a downtown and higher demand of rental properties
Sex ratio
ratio of males to females in a population
Dependency ratio
gives insight into how many people a society needs to support; the higher the number, the greater the burden will be on the working population
Crude birth rate
total number of live births in a year for every 1,000 people alive in a society