(2. Overpopulation) Flashcards
What is overpopulation?
occurs when the number of people in a region is too great to be supported by the available natural resources. Overpopulation does not necessarily depend on population density – the Netherlands has an average population density of 500 people per km2 and yet it is not overpopulated.
What is carrying capacity?
is the maximum population a country’s natural resources can support.
What is optimum population?
is the number of people who can have a high standard of living in a region using the resources and technology that are available to them at any time.
What is under-population?
occurs when there are too few people in a region to exploit the resources of that region. Today, examples include Western Australia and the interior of Canada, where large mineral resources exist. Ireland was under-populated at the beginning of the 1990’s – Celtic Tiger. In- migration made up for the shortage in labour.
What does GDP stand for?
Gross domestic product
What is GDP?
is a measure of the total value of goods and services produced by a country in a year divided by the population.
What is Irelands GDP?
Ireland $100,172.08
What is Bangladesh’s GDP?
Bangladesh $2,457.92
What does HDI stand for ?
Human development index
What is HDI?
It is a measure of how developed a country is, based on quality of life.
What is Irelands HDI?
0.950
What is Bangladesh’s HDI?
0.670
What are the cause of overpopulation in Bangladesh?
- Resources are at risk
- High population growth
What are the effects of overpopulation in Bangladesh
- Poverty
- Migration
What is the greatest resource in Bangladesh?
The rich alluvial soil despistes by the Ganges and Brahmaputra Rivers
What does Bangladesh’s population rely on for food?
Food imports and food aid
How much of Bangladesh is flooded during monsoon season?
One fifth
What percentage of Bangladesh rely of the land for a living?
Two thirds
How many people were killed from flooding in Bangladesh between May and Aug 2022?
141 and millions were displaced
What is the primary religion in Bangladesh?
Islam
What role does Islam play in overpopulation in Bangladesh?
Traditional role of women, large families, many marry young in arranged marriages
What are children seen as in Bangladesh?
Economic asset
How has the fertility rate changed in Bangladesh?
Declined; 6 children per woman in 1980, 2 per woman today
How many children under five are chronically malnourished in Bangladesh?
The World Food Programme says 7 million
What percentage of women in Bangladesh are underweight?
25%
If malnourished adults are not fit for work what does this perpetuate?
The cycle of poverty
Where do many young adults from Bangladesh migrate to?
Malaysia, Persian Gulf, Thailand
What are large sums of money sent back to home country by migrants called?
Remittances
By how much will the Bangladeshi Coast rise by by 2100 and how many will this displace?
0.4-1.4 m, displacing 50 million people
How many people migrate to Dhaka everyday on average?
2,000
Where is the Sahel and how large is it?
It lies south of the Sahara Desert and stretches for 5900km across the African Continent
What are countries in the Sahel?
Senegal, Mauritania, Mali, Burkina Faso, Niger, Chad
What is the climate in the Sahel?
Arid/ semi-arid - low annual rainfall
How many people live in the Sahel?
Approx. 135 million, mostly farmers and nomadic herders
What is the name for the advancement of the Sahara desert?
Desertification
By how much does the Sahara desert advance each year?
5-10 km
What is the carrying capacity of the Sahel?
30 per km squared
What is the population density of the Sahel?
48 per km squared
How much less rainfall has there been in the Sahel in the last 25 years?
40%
How many people in the Sahel are lining with food insecurity?
35 million
What stage of the DTM is the Sahel in?
Stage 2
What is the TFR of the Sahel?
5-7 births per woman
What is the estimated population of the Sahel by 2050?
340 million people
What is the leading cause of infant mortality in the Sahel?
Lack of safe drinking water
How many people have had to flee their homes in the Sahel in the last decade due to armed conflict?
2.5 million people
