Human Activity Carbon Cycle Tundra Flashcards
1
Q
What happens when permafrost melts?
A
CO2 is released
2
Q
How much CO2 is released when permafrost melts?
A
7-40 million tonnes per yr
3
Q
Why are gas flaring and oil spillages bad for the environment?
A
Input CO2 into the atmosphere
4
Q
Why is the removal of vegetation bad for the environment?
A
Reduces photosynethis/uptake of C02 from the atmosphere
5
Q
What happens when there is increased respiration through microorganisms?
A
Thawing of the soil
