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Terms in this set (26)
Land that is covered mainly with buildings and roads. Usually has its own government.
Land that contains relatively few people and large areas of open space.
The number of individuals per unit area or volume
The movement of people from rural areas to cities
Water that is found beneath the Earth's surface in aquifers
Water that is found on Earth's surface in lakes, rivers, streams, and wetlands.
Causes of surface water pollution
Runoff, thermal pollution, dissolved pollutants from atmosphere
Extra heat added to water from power plants and other human activity. Can kill off fish and other life by reducing the amount of oxygen in the water.
Water source that humans use the most
They use groundwater
Water source that cities use the most
They use surface water
What most water is used for
Causes of groundwater pollution
Farm chemicals, septic tanks, fuel tanks, unlined landfills, etc.
Problems with groundwater pollution
It recharges slowly, pollutants stick to underground particles, it is difficult to get to because it is spread out through large areas and underground
Land that can be used to grow crops
Problems with arable land
Soil degradation, overuse
A severe reduction in the quality of soil through erosion, increased salt content, and overuse
A substance in the environment that is useful to people and is economically and technologically worthwhile to extract
Land most commonly used to graze livestock such as cattle, sheep, or goats.
Problems affecting Rangeland
Overgrazing and soil degradation
When too many animals are grazing on an area of land, reducing the amount of native plants. This can result in more erosion and invasive plant species.
Resources produced by natural and artificial ecosystems - what the ecosystem does for you
Ecosystem services examples
purification of air and water, regulation of climate, prevention of flood and drought, renewal of soil
Result of rapid urbanization (the "urban crisis")
Collapsing infrastructure, air and water pollution, traffic jams.
all the things society builds for public use, including roads, hospitals, schools, bridges, power lines, etc.
Land in urban areas that is set aside for scenic and recreational enjoyment. Includes parks, public gardens, and bike and hiking trails.
Benefits of open space in cities
Absorb carbon dioxide, produce oxygen, filter out pollutants, reduce runoff and flooding.
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