6.7

Question 1

What are the threats to the carbon cycle?

Answer 1

Less supply
Deforestation- reduced carbon stored in the biosphere
- reduced amount of carbon absorbed for photosynthesis
Burning fossil fuels- increased amount impacts stores

Question 2

Examples of pressure groups

Answer 2

WWF and Greenpeace are against forest loss and try to prevent it

Question 3

Why is grassland being converted?

Answer 3

Temperate and tropical grasslands are being exploited to use for agriculture

Question 4

What land use changes impact the carbon cycle?

Answer 4

deforestation
agriculture
urbanisation

Question 5

What is ocean acidification?

Answer 5

decline in ph of the ocean due to uptake of co2 in the atmosphere
Coral reefs can be affected as they stop growing under a certain extent
E.g.
Great Barrier Reef, Australia

Question 6

How does climate change impact forests? and example

Answer 6

Increase drought and impact health of forest
E.g.
Amazon
- climate regulator
- 2010
- more carbon in atmosphere
- less carbon sequestered