Land use
is how the different types of land are used.
Land use
What is the difference of subsurface mining and surface mining
Subsurface - well beneath Earth's surface mining
Surface - on top of Earth's surface mining
is land that is used to grow crops and fruit.
farmland
is the widespread malnutrition and starvation in an area due to a shortage of food, usually caused by a catastrophic event.
famine
Determining in advance how land in a certain area will be used is called______________________
land use planning
The U.S. Census Bureau defines an ______ area as one with 2, 500 or more people and usually a governing body.
urban
is a mining method in which soil and rocks are removed to reach underlying coal or minerals.
subsurface mining
Describe what reforestation is:
After a forest has been cut down, new trees can be planted to re-establish the forest.
humans need to get _____ essential amino acids from proteins.
8
The __________ is an area where the land and the ecosystems it supports are protected from ALL exploitation.
wilderness
List at least 3 different services the ecosystem can provide us:
purification of air and water, preservation of soil, prevention of flood and drought, regulation of climate, maintenance of biodiversity, cycling of nutrients, aesthetic beauty
Quarrying is a type of which type of mining?
surface mining
Describe the purpose of the Farmland Protection Program
to help protect farmland from urban development.
What was the main goal of the green revolution?
End world hunger
List two benefits of protected public lands
Many species are protected from extinction in these protected areas.
Provides a place for people to camp, hike, fish, and watch birds and other wildlife in these areas.
Serve as outdoor classrooms and research laboratories where people can learn more about nature.
List at FOUR different ways land can be used
Farmland, Forest Land, Rangeland, Parks and Preserves, Urban Land
What is one of the most serious environmental consequences of coal mining because it can take decades or even centuries to resolve
Underground mining fires
Give two ways you can preserve rangeland
-eliminate invasive species
-introduce native plants and species
-fence in areas of rangeland to prevent overgrazing
may be one solution to the overharvesting of fish and other organisms
in the world’s oceans.
aquaculture
List two threats to protected public lands
The constantly growing human population and the mobility of that population.
Litter and traffic jams are now affecting our national parks as more and more people come to visit them.
Urban areas are moving closer and closer to these wilderness areas and the issues that plague the urban areas are affecting the wilderness.
Describe two consequences of the urban crisis:
traffic jams, substandard housing, homelessness, and polluted air and water
Describe what reclamation process is:
Reclamation is the process of returning land to its original condition after mining is completed.
List two impacts of deforestation:
Reduces wildlife habitats
Without tree roots to anchor the soil in place, it will wash away
Deforestation in the rain forest for farmland is an even bigger problem because the soil is nutrient poor and more land has to be cleared for the farms to survive.
List 2 cons of the green revolution
More use of chemical fertilizers
more runoff pollution because of more fertilizers
expensive technologies that not every farmer could afford
Describe what the heat island effect is and two consequences of it:
What is is:
The increased temperature in a city is called a heat island.
The increased temperature is caused by the heat being retained by the buildings and roads that vegetation does not retain.
Consequences: Increased temperatures, increased air pollution