26 terms

ES Chapter 14 Land

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Terms in this set (...)

Rural
Land that contains relatively few people and large areas of open space.
Urban
Land that is covered mainly with buildings and roads. An area that contains 2,500 or more people and usually has a governing body such as a city council.
Land Use Categories
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Rangeland
Land used to graze livestock and wildlife.
Forest land
Land used for harvesting wood, wildlife, fish, nuts, and other resources.
Cropland
Land used to grow plants for food and fiber.
Parks and preserves
Land used for recreation and scenic enjoyment and for preserving native animal and plant communities and ecosystems.
Wetlands, mountains, deserts, and other
Land that is difficult to use for human purposes
Urban land
Land used for houses, businesses, industry, and roads.
Economic services
The resources that are provided by natural and artificial ecosystems. EX: purification of air and water, preservation of soil and renewal of soil fertility, regulation of climate, prevention of flood and drought, movement of cycling of nutrients, detoxification of decomposition of wastes, aesthetic beauty.
Urbanization
The movement of people form rural areas to cities. Usually for better paying jobs and better opportunities.
Infastructure
All if the things that a society builds for public use. EX: roads, sewers, buildings, railroads, bridges, canals, power lines, schools, hospitals, etc.
Urban crisis
The growth problem of the nation.
Urban sprawl
Rapid expansion of a city into the countryside around the city. Much of this results from building suburbs or housing and associated commercial buildings on the boundary of a larger town. each year, suburbs spread over 1 million hectares (2.5 million acres).
Marginal land
Land that is poorly suited for building. EX: LA and Mexico city.
Heat island
The increased temperature in a city. Can affect local weather patterns. Hot air rises over a city cooling as it rises, and eventually produces rain clouds. EX: Atlanta, GA.
Land-use planning
Determining in advance how land will be used- where houses, businesses, and factories will be built, where land will be protected for recreation, and so on. Determine the best locations for all types of buildings.
Geographic information system (GIS)
A computerized system for storing, manipulating, and viewing geographic data. GIS allows a user to enter different types of data about an area such as the location of sewer lines, roads parks, and then creates maps. Allows a user to display layers of information about an area and to overlay these layers.
Mass transit systems
Use buses and trains to move many people at one time.
Open spacce
Land within urban areas that is set aside for scenic recreational enjoyments.
Greenbelts
Open spaces left in their natural condition. Provide important ecological services.
Rangelands
Land that supports different vegetation types like grasslands, shrublands, and deserts that is not used for farming or timber production. Can be arid or relatively wet. Most commonly used for the over-grazing of livestock.
Overgrazing
Allowing more animals to graze in an area than the range can support.
Clear cutting
The process of removing all of the trees from an area of land. Destroys established wildlife habitats and may cause soil erosion.
Selective cutting
The process of cutting or removing only middle-aged or mature trees. More expensive but is less destructive.
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