Urbanisation Flashcards
Define urbanisation
The increasing proportion of people living in urban areas
What is a mega city?
A city with a population of 10 m or more
What are two causes of urbanisation?
Rural-urban migration - a mixture of push and pull factors cause people to move to the city from the countryside
Natural increase - due to a better healthcare and a younger, more fertile population the birth rate exceeds the death rate
What are some possible push factors
Mechanisation of agriculture
Desertification
Lack of jobs
What are some possible pull factors
Industrialisation
Better healthcare
More jobs
Better education
Bright light syndrome
What is the term given to an extremely rapid rate of urbanisation
Hyper-urbanisation
What is the term given to an area with wealthy people living alongside poorer people
Dual society
Describe the location of Lagos (3)
A city in the south West of Nigeria
Along the Gulf of Guinea
Nigeria is a country in Central Africa
What makes Lagos an important city?
Financial hub of Africa
Home of Nollywood
Nigeria’s centre of trade and commerce
Largest city in Africa
What is the population of Lagos
21 million
What are some opportunities in Lagos
Employment opportunities, especially in the informal sector
Better education to help families break the cycle of poverty
Tourism
Tackling crime - new helicopters and a high police presence
Water supply inprovements
What does FDI stand for
Foreign direct investment
What is Eko-Atlantic?
A top down scheme that attracts FDI, boosting the economy
It is 10km2 of reclaimed land with a sea wall to protect against sea level rise
What is Olusosun
A landfill at the heart of Lagos
What benefits does Olusosun provide?
Provides jobs for 500 people, and they sort over 3000 items per day where valuable items be sorted.
Rubbish can be harnessed into energy
What challenges does Olusosun create?
Toxic fumes are released by the rubbish, such as methane. This creates a hazard for the workers
Fires can be created by the natural gases that build up
Only 13% of the waste is recycled, which is not sustainable
What is a squatter settlement?
An area of poor quality lacking on basic amenities such as clean water and electricity. They are often built illegally and crime is rife
What benefits are there to life in Makoko
Sense of community
Recycling can be a source of income
Fishing
Education
Electricity (which is often illegal)
What negatives are there to life in Makoko
Poor sanitation
Real risk of flooding
Poor structural integrity
High population density
Poverty
What percentage of Lagos’ population has tapped water?
10%
How does the majority of Lagos get their water supply
Buying bottled water from street vendors
Digging wells or boreholes to reach groundwater
How does pollution affect the water supply?
Drinking water can contain bacterial or chemical pollution
This can cause diseases such as diarrhoea and cholera
One cause of pollution is a poor sewage system as it is sometimes disposed of with rainwater through open drains
What is an example of a transport system in an LIC
Bus rapid transit system in Lagos - 200,000 people use it per day which is a quarter of all commuters
It uses a separate bus lane which cuts commuting time
This means that more workers can be more productive, boosting the economy and reducing carbon emissions
What is an example of an urban planning scheme?
Makoko floating school
Bottom up project
What were the benefits of the Makoko floating school
It provided education for up to 60 children at a time
Could be used as a community centre
Environmentally sustainable
Withstand sea level change
Uses solar panels
The materials used were locally sourced
What were the negatives of the Makoko floating school
Prone to catching fire - it burnt down
Not adequate enough to provide education to all children in Makoko
Vulnerable to storm damage