14-1 How we use land.

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Presentation transcript:

14-1 How we use land

Where did the land go? Between 1984 – 1992 84,000 hectares of farm, forest, and range converted into suburbs ~ 210,000 acres

Land Use Land cover – what you find on a patch of land Depends on how the land is used: Forest Farm Parking lot

Urban Land Urban – land that is covered mainly with buildings and roads 2,500 or more people with a governing body

Rural Land Rural – contains relatively few people and large areas of open space Most land provides one or more resources that humans consume

Where We Live Until 1850 most people lived in rural areas Farmers Raised livestock Worked mines or mills Managed forests

Industrial Revolution More machines = fewer people to operate farms and mills Better transportation People moved to cities for work Today most people live in urban areas

Urban-Rural Connection People depend on resources produced in rural areas Water Soil Crops Trees Oxygen

Ecosystem services – resources that are produced by natural and artificial ecosystems

Supporting Urban Areas Area of rural land needed to support one person depends on: Climate Standard of living Efficiency of resources

Developed country – 8 hectares US – 12 hectares Germany – 6 hectares Developing countries – far less than 1