The Amazon Flashcards
what fraction of the world’s biomass is in the Amazon?
1/5
How many trees are in the Amazon?
300 billion
How many countries is the Amazon in?
9
What fraction of the world’s carbon is stored in the Amazon?
1/5
How much of the Amazon has been lost since 2005?
17%
How much rainfall do some areas of the Amazon have annually?
6000mm
What is the ITCZ?
intertropical convergence zone; where two winds, coming from area of high pressure between hadley and ferrel cells, meet, at an area of low pressure between 2 hadley cells
What % of photosynthesis occurs in the Amazon?
30-50%
How much is biomass increasing annually in the Amazon?
0.5%
How much carbon does the Amazon absorb?
2.2 billion tonnes
What are 2 threats to the Amazon?
- climate change
- deforestation
How much is temperature expected to increase in the Amazon by 2050?
2-3C
If all fossil fuel emissions stopped, how much warming has been committed to?
2C
How many trees would die if temperatures rose by 2C?
20-40%
How many trees would die if temperatures rose by 3C?
75%