Amazon rainforest Flashcards
1
Q
How big is the amazon rainforest
A
6.7 million km2
2
Q
What percentage of the global tropical rainforests does the Amazon represent
A
about 50%
3
Q
How many trees are estimated to be in the Amazon rainforest
A
300 billion
4
Q
How many humans live in the Amazon
A
34 million people
5
Q
How much carbon is annually sequestrated by the Amazon
A
2.2 PgC/year
6
Q
What % of anthropagenic carbon emissions come from burning tropical rainforests
A
30%
7
Q
Effect of slash and burn deforestation on the Amazon
A
Reduces water retention in soil, increasing run off.
8
Q
How much rainfall gets caught by interception in the canopy of the Amazon
A
50% never reaches the ground and is re-evaporated
9
Q
Average annual rainfall in the Amazon
A
2,300 mm
