Threats to biodiversity - Human use of natural resources Flashcards
1
Q
How do humans threaten biodiversity with the use of Natural resources?
A
Hunting of wild game
Over-fishing
Pet trade
Logging -> For biomass energy
Expansion of Agricultural land
Grazing -> spread diseases onto wildlife from livestock
Persectuing predators
Mining -> Destroys terrestrial habitats and contaminates water courses.
Hydropower & wind power
2
Q
How do hydropower and wind power affect biodiversity?
A
-Reduces river flow rates and oxygenation
- Blocks fish migrations
-Accumulates pollutants
- Floods terrestrial habitats
3
Q
What is the difference between small-scale and large-scale agriculture?
A
Small scale - Provides food for poor people.
Large scale - Responds to global demand for food, animal feed and biofuel.
