B18.4 Deforestation and peat destruction Flashcards
1
Q
What are the 3 main reasons for deforestation?
A
To grow stable food such as rice or ingredients such as palm oil
To rear more cattle particularly for the beef market
Grow crops that can produce biofuel
2
Q
How does deforestation lead to more CO2 in the atmosphere?
A
Burning the trees leads to an increase in CO2 from combustion
After deforestation the dead vegetation decomposes and microorganisms use up O2 and release more CO2 into the atmosphere
3
Q
What is a peat?
A
Made up of plant material that cannot decay because the conditions are very acidic
4
Q
What are the uses for peat?
A
Burnt as a fuel
Used to improve the properties of the soil and provide an ideal environment for seed germination