Flashcards
Land and Water Use
Flashcards do conjunto (19)
- 1tragedy of the commonstendency of a shared, limited resource to become depleted b/c people act in self-interest for short term gain
- 2clear-cuttingremoving all or almost all of the trees within an area
- 3selective cuttingremoving single trees or a relatively small number of trees from among many in a forest - less environmental impact than clear-cutting
- 4ecologically sustainable forestryan approach to removing trees in forests in ways that don't unduly affect the viability of other trees
- 5prescribed burnfire that's deliberately set under controlled conditions to reduce the accumulation of dead biomass on a forest floor
- 6wildlife refugefederal public land, purpose to protect wildlife
- 7wilderness areaarea set aside to preserve a large tract of intact ecosystem or a landscape
- 8NEPA (National Environmental Policy Act)mandates an environmental assessment of all projects involving federal money or land grants (1969)
- 9Endangered Species Actdesigned to protect species from extinction (1973)
- 10urban sprawlurbanized areas that spread into rural areas, removing clear boundaries between the two
- 11urban blightdegradation of the built and social environments of the city that often accompanies / accelerates migration to the suburbs (aka: reason people move out)
- 12smart growthset of principles for community planning, strategies to encourage development of sustainable, healthy communities
1. mixed land uses
2. range of housing options and choices
3. walkable neighborhoods
4. collaboration in development decisions
5. compact building design
6. distinctive, strong sense of place
7. open space, natural beauty, farmland
8. variety of transportation
9. strengthen existing communities
10. development decisions = predictable, fair, & cost-effective - 13food security vs. insecuritysecurity: access to sufficient, safe, nutritious food that meets dietary needs
insecurity: people don't have adequate access to food - 14malnutritiondiet lacks correct balance or proteins, carbs, vitamins, & minerals
- 15undernutritionnot enough calories ingested to maintain health
- 16overnutritiontoo many calories and a lack of balance of foods and nutrients
- 17faminefood insecurity is so extreme that large number of deaths occur in a given area over a relatively short period
- 18green revolution1900s shift in agricultural practices- new management techniques, mechanization, fertilization, irrigation - resulted in increased food output
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- Advanced placement Environmental Science (Flashcards) FlashCards sobre Land and Water Use, criado por Ashley Hay em 13-04-2016.
- Criado por
- Ashley Hay
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