Amazon fun facts Flashcards
Amazon location & size
South America- Brazil, Peru, Ecuador, Colombia, Venezuala, French Guinea, Suriname, Guyana, Bolivia
3S 60W
6.7million km/sq
15,000 species
Importance in water cycle
Home to the Amazon River
Only 30% of water reaches the sea
50% of rainfall is intercepted
175,000 m3/s discharge
Importance in carbon cycle
20% carbon stored in biomass
9kg/m2 stored in upper soil
Human interference in Amazonia
Deforestation rate 19368 per year (2000-07)
Agriculture accounts for 75% of GHG emissions (cattle ranching)
600m tonnes emitted in 2019
Illegal logging
Urbanisation
Effects of human interference in Amazonia
Temperature rise of 2-3C by 2050
75% will be destroyed at the current rate by 2070
Decline in fungi and bacteria
Decrease in river discharge
Risk of decline in temperature dependent species
Formation of shallow cumulus clouds
Mitigation strategies in Amazonia
ACT government organisation formed in 1978
TARAPATO monitoring rates (2023-5000km/sq- half of 2022)
New President Lula stronger than Balsaro
Establishing new national parks and reserves (Para- 15 million ha)
2004 moratorium on soya bean farming (Brazil produces 1/3 of the world’s supply)
Earth institute reforested a few thousand acres (in 30 years)
REDD watershed management with $4.5b pledged