What is overpopulation?
too many people living in an area for the resources and tech to maintain an acceptable living standard i.e. people > resources & tech
What is underpopulation?
too few people living in an area to utilise the available resources
What is carrying capacity?
max # of people a place can support indefinitely
What are environmental factors that limit pop size?
food, land, water, shelter
Relationship between large pop and overpopulation
Large pop. ≠ Overpopulated
What are consequences of overpopulation?
Ø Not enough housing |
Ø Water & air pollution |
Ø Shortage of food/water |
Ø High crime rates |
Ø Not enough healthcare/education |
Ø Lack of employment |
Ø Poverty |
What are consequences of underpopulation?
Ø Shortage of workers |
Ø Low level of production |
Ø Resources underused |
Ø High taxes |
Ø Lack of govt income |
Ø Small market for goods & services |
Ø Low value of exports |
What is a solution for not enough housing?
Build high-rise buildings
What is a solution for not enough healthcare/education?
More advancements in tech, more taxes
What is a solution for low level of production?
Use more machinery for producing
What is a solution for lack of govt income?
Loan $$ from other countries
What is a solution for shortage of workers?
Change migration policy for areas with shortage of workers
Population/resource relationship model