Population Flashcards
How does human population growth look like?
Hyperbolic rise till a little before 2050, then slowing down, close to levelling
Which type of country has most contributed to population growth?
LEDCs
(Less economically developed countries)
Define Optimum population
Population can maximise benefits from resources available
Describe and explain the population distribution in China
EAST CHINA
- better resources
- flatter land
- better agricultural conditions
WEST CHINA
- Rain shadow -> deserts and extreme
- less resources
- higher and more rugged/bumpy/mountainous land
Define Overpopulation
- The resources cannot sustain current population
- Decline in quality of life through:
Unemployment
Pollution
Damage of environment
What population problem does Japan have?
Old dependants
What is HIV and AIDS
HIV : Human Immunodeficiency Virus
- Sexually transferred
- sickness
- takes 8 years to break down immune system
- incurable but treatable
AIDS : Acquired Immune Deficiency Syndrome
- After 8 years of HIV, the syndrome is called AIDS
- Serious and deadly phase
When was the Chinese 1 child policy?
1979-2015
Which 4 things/factors affect population numbers?
Predation
Competition
Food supply
Diseases
Which were the positives and negatives of the Chinese 1 child policy?
EMPTY
What would a healthy population look like?
- Large amount of economically active people
- Balance in dependants
Slightly convex
What does the LEDC pop pyramid usually look like?
Low life expectancy
Concave pyramid
High death rate
High infant mortality
High birth rate
Many young dependants
What does a MEDC pop. pyramid usually look like?
High female life expectancy
Old dependants
Baby boom
Convex
How do you find the rate of natural increase RNI
birth rate - death rate
negative = decline
positive = growth
Define birth rate
Number of birth per 1000 people per year