Fragile Environment Flashcards
1
Q
Definition of a fragile environment
A
Place where it is vulnerable to change and may struggle to recover from the changes
2
Q
Example of a fragile environment
A
- Tropical rainforest: Deforestation and wildfires lead to large areas being cleared. Infertile soils make it difficult for plants to re-establish
- Coral reefs:Pollution and damage by tourists kill the coral and it struggles to re-establish
3
Q
What may cause deforestation (human)
A
-Farming
- Logging
- Mining
- Migration
4
Q
Causes of natural climate change
A
- Orbital changes: The earth has natural warming and cooling periods caused by Milankovitch cycles.
- Volcanic activity
- Solar output
5
Q
Causes of natural climate change
A
- Orbital changes: The earth has natural warming and cooling periods caused by Milankovitch cycles.
- Volcanic activity
- Solar output
6
Q
What may cause deforestation (natural)
A
- Soil erosion: Removal of soil means less support for the vegetation
- Intensity of rainfall
