Unit 2 46-51 Flashcards
When the number of people exceeds the capacity of the environment to support life at a decent standard of living
Overpopulation
A complete enumeration of a population
Census
The portion of Earth’s surface occupied by a permanent human settlement
Ecumene
The total number of objects in an area
Arithmetic Density
The number of people supported by a unit of area of arable land
Phycological Density
Is the ratio of farmers to the amount of arable land
Agricultural Density
The percentage in which the population grows in a year
Natural Increase Rate (NIR)
The number of years needed to double the percentage
Doubling Time
The average number of years an individual can be expected to live, given current social, economic, and medical conditions.
Life Expectancy