Amazon fun facts Flashcards

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1
Q

Amazon location & size

A

South America- Brazil, Peru, Ecuador, Colombia, Venezuala, French Guinea, Suriname, Guyana, Bolivia
3S 60W
6.7million km/sq
15,000 species

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2
Q

Importance in water cycle

A

Home to the Amazon River
Only 30% of water reaches the sea
50% of rainfall is intercepted
175,000 m3/s discharge

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3
Q

Importance in carbon cycle

A

20% carbon stored in biomass
9kg/m2 stored in upper soil

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4
Q

Human interference in Amazonia

A

Deforestation rate 19368 per year (2000-07)
Agriculture accounts for 75% of GHG emissions (cattle ranching)
600m tonnes emitted in 2019
Illegal logging
Urbanisation

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5
Q

Effects of human interference in Amazonia

A

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

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6
Q

Mitigation strategies in Amazonia

A

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

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