1.4 Population Density & Distribution Flashcards
What is population density?
The average number of people per square kilometre in a country or region.
What is population distribution?
The way the population is spread out over a given area, from a small region to the Earth as a whole.
What areas are said to be densely populated?
Areas with a high population density.
What areas are said to be sparsely populated?
Areas with a low population density.
What is Megalopolis?
Thee term used to describe an area where many conurbations exist in relatively close proximity.
What is the average density in the less developed world?
More than two and a half times that of the more developed world.
What two countries have the lowest population density?
North America - 16/km^2
Oceania - 4/km^2
What is the population density of Asia?
134 per square kilometer.
Population density is increasing where?
In areas that have the fastest rates of population growth.
The most uniform distributions of population occur?
Where there is little variation in the physical and human environments.
Low population densities are associated with..?
High altitudes, polar regions, deserts, and rainforests.
As well as soil fertility, natural water supply, and mineral resources
Many settlements historically are located near..?
Rivers, Lakes, Springs, and where artesian wells could be dug to access aquifers.
Large numbers of settlements in many countries are a result of..?
Mineral resources, particularly coalfields.
Once a country advances..?
The less important the physical factors that encouraged initial settlement are.
The importance of agriculture decreases.
The more employment relies on the secondary and tertiary sectors of the economy.
