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Settlements and why they grow

Why settlements start and grow in a place, their shapes, and urban problems and planning. Read one part at a time and tap “I know this”. Then test yourself in the quiz.

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Why a settlement starts here

Site factors explain why a settlement started in a particular place: water, transport, minerals or a harbour. Johannesburg came into being because gold was discovered; Durban and Cape Town grew because they are harbours.

  • Towns arise at crossroads: transport brings trade and people. A town on a national road grows from passing traffic.
  • A mining town grows around a mine; a market town is where farmers buy and sell goods.
  • A town declines when its main industry closes; young people leave for work and study.
A town started beside a river and a road.
A town started beside a river and a road.
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The shape of settlements

PatternWhat it looks like
ClusteredBuildings grouped closely together
DispersedFarmhouses spread far apart
LinearHouses set out along a road or river
Clustered (nucleated)DispersedLinear (along a road)
Clustered, dispersed and linear.
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Cities: problems and planning

  • The central business district is the heart of a city’s business; suburbs are residential; factories stand in an industrial area.
  • An informal settlement is put up without formal planning; clean water and sanitation are the most important service for a growing settlement.
  • Urban decay: an area becomes neglected. Urban renewal: it is repaired.
  • Urban sprawl swallows farmland; a green belt around the city limits it.
  • People sometimes build on a floodplain because the land is cheap and near work.
Rule

The main aim of town planning is to manage growth in an orderly way.

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Remember this and test yourself

Remember this: your summary
  • Site factors explain why a settlement started in a place: Johannesburg (gold), Durban and Cape Town (harbours).
  • Shapes: clustered (buildings close together), dispersed (farmhouses far apart), linear (along a road).
  • A city has a central business district, suburbs and an industrial area; a market town is where farmers buy and sell.
  • Urban decay is neglect; urban renewal repairs it. Urban sprawl swallows farmland.
  • A green belt limits unchecked sprawl; town planning manages growth in an orderly way.

Write these points in your book. Read them again the night before the test.

Memory trick

Clustered = a bunch of grapes. Dispersed = stars in the sky. Linear = beads on a string along the road.

Flash cards · Tap to turn over

Important words

First say what the word means, then turn the card over.

Test yourself · Part 2

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