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Chapter 14: Land Section 1: How We Use Land Chapter 14: Land Section 1: How We Use Land

Chapter 14: Land Section 1: How We Use Land - PowerPoint Presentation

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Uploaded On 2018-11-03

Chapter 14: Land Section 1: How We Use Land - PPT Presentation

Land Use and Land Cover Purposes for Land Farming Mining Building Cities and Highways Recreation Land Cover What your find on a patch of land How it is used depends on what is on it Land Use and Land Cover ID: 712442

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Slide1

Chapter 14: Land

Section 1: How We Use LandSlide2

Land Use and Land Cover

Purposes for Land:

Farming

Mining

Building Cities and Highways

Recreation

Land Cover: What your find on a patch of land. (How it is used depends on what is on it)Slide3

Land Use and Land Cover

Types of Land Cover

Forest

Field of Grain

Parking LotSlide4

**Most land provides one or more resources used by humans.Slide5

Urban Land vs. Rural Land

Urban Land

: land that is covered mainly with buildings and roads.

**U.S. Census Bureau: Urban areas contain 2,500 or more people and have a governing body (city council)

Rural Land

: Land that contains relatively few people and large areas of open space.Slide6

**Relative proportion of each of the types of land cover.Slide7

Where We Live

Until about 1850, most people lived in rural areas.

Occupations of those people:

Farmers: grew crops and raised livestock.

Forest Managers

Miners

Mill workers

Manufacturers of goods for town

**What changed this pattern??Slide8

From Farms to Factories

Industrial Revolution Changed Lifestyles

Machinery made it possible for fewer people to operate a farm or grain mill.

Better transportation allowed manufacturers to live far from costumers.

People moved to cities to find jobs.Slide9

Result of Industrial Revolution

Urban areas grew rapidly during 20

th

century.

Urban areas spread over more land.

1880-1950: movement of people from rural areas to urban areas happened quickly in developed countries.Slide10
Slide11

The Urban-Rural Connection

People are dependent on resources produced in rural areas.

Clean drinking water

Fertile soil

Land for crops

Trees for wood and paper

Oxygen

Ecosystem Services: resources produced by natural and artificial ecosystems.Slide12
Slide13

Supporting Urban Areas

The area of rural land needed to support one person depends on many factors:

Climate

Standard of living

How effeciently resources are usedSlide14

Example: In a wet climate, most agriculture depends on rain and does not depend on areas of lakes and rivers for irrigation.Slide15

Developed Countries: each person uses the ecosystem services provided by about 8 hectares (20 acres) of land and water.

US: each person uses 12 hectares (30 acres)

Germany: 6 hectares (15 acres)

Developing Countries: people may not have access to all the resources for a healthy life. They may use less than 1 hectare (2.5) per person.Slide16