The Amazon Flashcards

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1
Q

Carbon Cycle in Amazon

A

Dead trees emit estimated 1.9 billion tonnes of carbon/year
Absorbs around 2.2 billion tonnes of carbon/year
Recent years has seen emittance overtake absorbance - Carbon Source Instead of Sink

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2
Q

Water Cycle in Amazon

A

Evapotranspiration causes 48% of Precipitation
Amazon has 20% of all river discharge globally
Relies more on Evapotranspiration than groundwater flow and percolation - Faster Cycle

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3
Q

Impacts on Cycles

A

Carbon Source instead of Sink
Transpiration rates lowering
Flash Floods
Rainfall reduction - causing potential for wildfires and droughts
Biodiversity lowering
Increased Temperatures
Increased Soil Erosion and Decreased Soil Compaction

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4
Q

Human Causes of Impacts

A

Deforestation
Agriculture
Logging
Mineral Extraction
Energy Development - Hydroelectric Dams Built
Population Growth - Settlements
Burning - Clearance

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5
Q

Mitigation of Impacts

A

Reduce Fossil Fuels
Specific Area Protection
Change Infrastructure Planning
Education of Population
Alternative Energy and Material Resources
Investment in Conservation
Protection of Specific Species AND Indigenous Tribes

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