| A | B |
|---|
| Urban | Land that is covered mostly with buildings and roads. |
| Rural | Land that contains relatively few people, large areas of open space. |
| Rangeland | Land used to graze livestock and wildlife. |
| Forest land | Land used for harvesting wood, wildlife, fish and other resources. |
| Cropland | Land used to grow plants for food and fiber. |
| Ecosystem Services | Resources provided by natural and artificial ecosystems: Clean drinking water, fertile soil, trees for wood and paper and to produce oxygen we breathe. |
| Urbanization | Movement of people from rural areas to cities. |
| Infrastructure | The roads, sewers, railroads, bridges, canals, everything that society builds for public use. |
| Urban crisis | When more people live in an area than it's infrastructure can support. |
| Urban sprawl | Rapid growth of the city into the surrounding countryside. |
| Heat island | Increased temperature in a city due to the roads and buildings absorbing heat. |
| Land-use planning | Planning how land will be used before houses, factories and businesses are built. |
| Open space | Land set aside for parks, public gardens and other recreational activities. |
| Greenbelts | Open space left in their natural condition. |
| Open space benefits. | Absorb carbon dioxide, produce oxygen, filter out pollutants, help keep a city cooler. |
| Overgrazing | More animals grazing than the land can support. |
| Deforestation | Clearing trees without replacing them. |
| Reforestation. | Planting trees to replace what has been cut down. |
| Wilderness area | A region that is not used (as in farming or removing resources) or inhabited by man |
| Arable land | Land used to grow crops. |
| Fertile soil | Soil that support the growth of healthy plants. |
| Topsoil | Surface layer of soil rich in organic matter. |
| Chemical weathering | Minerals in rock react chemically with water. |
| Erosion | The wearing away of soil or rock by wind and water. |
| Desertification | When human activities or climatic changes make an already dry area more desert like. |
| Pest | Any unwanted organism. |
| What is IPM? | Integrated Pest Management. Using a mix of methods to control pests on crops. |
| Soil from what country is often found in the western hemisphere? | Africa. |
| Salinization. | Build up of salt in soil due to over-irrigation. |
| Zone of leaching in a soil profile. | E Horizon |
| Part of the soil profile that contains leaf litter. | O Horizon |
| Layer of the soil profile that is called topsoil. | A Horizon |
| Layer of the soil that is also called the subsoil. | B horizon |
