11_srv - 1 2 Distribution of Cities Settlements & Services...

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1 1 Settlements & Services 2 Distribution of Cities 3 An Urban World 4 An Urban Planet Source (11-19-01): http://www.gsfc.nasa.gov/gsfc/earth/pictures/citylights/flat_earth_nightm.jpg Greater urban population today in More Developed Countries. Greater urban growth today in Less Developed Countries. Increasing urbanization: 1800 – 3% urban. 2000 – 47% urban. 2030 – 60% urban? 5 Percent Urban by Region Although under half of the people in most less developed regions are urban, Latin America and the Middle East have urban percentages comparable to MDCs. 6 “Base” and “Non-Base” There are two categories of economic activity we can use to understand how settlements function: the basic and the non-basic industries. The difference? Think in terms of survival .
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2 7 Basic Industries Question : What are the things you need to survive? Answer : Air, food, water, shelter. These are things you can't provide for yourself – they are basic to your survival and they come from outside . Basic industries supplies goods and services to people from outside the settlement - they " export " and bring in money from outside. Basic industries are essential to a settlement's survival . 8 Non-Basic Industries Question : What are the things you need to have a decent life? Answer : Friends, family, entertainment, culture. These are things you (and your friends and family) can provide for yourselves – locally – you don't have to get them from outside. Non-basic industries provide goods and services to people who already live in the settlement . Non-basic industries are essential to a settlement's well-being (but not its survival). Cities can be classified based on the percentage of people who work in the basic and non-basic industries. Cities of similar sizes tend to have similar ratios of basic and non-basic workers - but the larger the city, the larger the percentage of non-basic industries . 9 Economic Base of US Cities 10 Economic Categories Remember, traditionally, economists have divided economic activities into three categories: PRIMARY -thoseeconom icact ivities that harvest or extract directly from the natural environment (agriculture, forestry, fishing, mining). SECONDARY - those economic activities that involve manufacturing, construction, or adding value to the products of the primary industries. TERTIARY - the service sector. Most people in the developed world work in the service sector of the economy - in the US, about 80% of all jobs are in the service sector. 11 US Jobs, 1972-2006 12 The Service Sector We can break the service sector down further into three categories: CONSUMER - services provided mostly to individual consumers.
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This note was uploaded on 12/16/2010 for the course GEOG 102 taught by Professor Osborn during the Fall '10 term at San Diego State.

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11_srv - 1 2 Distribution of Cities Settlements & Services...

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