Case study of a tropical rainforest setting to illustrate and analyse key themes in water and carbon cycles and their relationship to environmental change and human activity.
Amazon rainforest
Location of the Amazon
Located mainly in Brazil
What river basin does the Amazon RF sit within?
The Amazon River basin
Size of Amazon Rf compared to others in the World
The largest tropical rainforest on Earth
What percentage of the South American contienent does the AMazon RF cover?
Covers 40%
Average rainfall across the whole Amazon basin annually
Approxiamtely 2300mm anually
How much carbon does the Amazon store?
Estimated to store bwtween 80 adn 120billion tons of Carbon
What tropics is amazon located in ?
Between Tropics of Cancer and Tropics of Capricorn
Describ the soild of TF
-> Soils are a mixture of weathered rock,rotted organic matter etc
-> Soils are naturally poor in nutrients
What returns CO2 back ti the atmosphere in the TRF
Respiration by plants,trees and many animals
Causes of deforestion in Amazon: Mining
Up to 25% of the Peruvians Amazons annual gold production comes from illegal mining
Causes of deforestion in Amazon: Mining
In Guyana, illegal mining of mainly gold is responsible for 85% of forest loss
Deforestion in Amazon
Between 2000 and 2007 the Amazon was deforestated at a rate of nearly 20,000km2 per year
What place of world polluters is Brazil?
Brazil is the 6th largest polluter
Impact of deforestaion: Less precipiation (global impact)
If there was complete deforestation of the Amzon Basin this would likely reduce rainfall in the US , Midwest,Northwest and parts of the south during agricultural season