Notas
Sem título
Conteúdo das notas (1)
Página 1
Expotential growth
There were 10 times as many people living as there had been 300 years before in 1700
Not only is population increasing but the rate of increasing is becoming greater
Birth, rate, death rate and natural change
Natural increase is the birth rate that exceeds the death rate
Natural decrease is the death rate that exceeds the birth rate
The demographic transition model
Stage 1
High birth rate
High death rate
Both fluctuate because of famine
Stage 2
The death rate decreases, birth rate stays the same and population grows
Stage 3
The birth rate drops rapidly, death rate continues to decrease but more slowly, population grows but not as fast. this is happening in places such as India and kenya
Stage 4
Low birth rate
Low death rate
Birth rate tends to fluctuate depending on the economic situation
The countries that are experiencing this are USA, France and Uk
Stage 5
In Italy, Germany and countries in Europe the birth rate goes very low and falls below the death rate
The death rate has increased slightly because of ageing population and the total population starts to decrease
New Page
Informações
- Descrição
- Notas sobre Sem título, criado por jessieg em 31-03-2014.
- Criado por
- jessieg · mar 2014
- Atualizado
- 19 fev 2016
- Visualizações
- 11
- Avaliação