Unit 5 Flashcards
(7 cards)
1
Q
Tragedy of the Commons and Examples
A
Worldwide, the exploitation of natural resources is good for the short term benefit of some people but detrimental to everyone in the long run.
Ex: Air pollution, fossil fuels, frontier logging, over extraction of resources
2
Q
Limits to Tragedy of Commons
A
- Breaking up of commons into private land with different policies
3
Q
Clearcutting
A
All the trees in an area are cut at the same time
4
Q
Edge effect
A
How the local environment changes along some sort of boundary or edge.
5
Q
Impacts of Deforestation
A
- Alllowing runoff into aquatic ecosystems
- Changing local climate patterns
- Decreasing soil fertillity because fof erosion. Forest soil can also dry out
- Degrading habitats and biodiversity loss
- Increasing CO2 because of burning of trees and decay
6
Q
Steps of Desertification
A
Animals eat all plant life, rain washes away soil. Water reservoirs dry up, weeds take over. Soil becomes unfit for seed germificiation. Wind blows away topsoil.
7
Q
Albedo of Zero
A
Blackbody. 1, emits all light
