The Amazon🌴 Flashcards
What area does the Amazon cover?
7,000,000 km2
(7 million square kilometres)
Which countries does the Amazon cover?
Brazil, Peru, Columbia, Venezuela, Ecuador, Bolivia etc
How many different species are there in the Amazon?
10 million
What can deforestation increase?
Rainfall downwind of the area
What happens to water intercepted by the canopy?
It drips to the ground from leaves or flows down via stem flow
What percentage of freshwater entering the oceans each day comes from the Amazon river?
15%
How can land use change affect the water cycle?
Cutting down trees for farming means water can fall straight to the ground, causing soil erosion and runoff
What does a decrease in evaporation lead to?
Local warming and droughts
Why does up to half of the rainfall never make it to the ground?
Interception and re-evaporation by trees
What do rainforests act as?
carbon sinks
How much of the worlds Co2 does the Amazon absorb?
35%
Why does deforestation reduce rainfall in the area?
Because the water cycle is disrupted as evapotranspiration does not occur and less water is stored in plants, and more in the soil
What are the main drivers of change to the Amazon’s water cycle?
Deforestation, land use changes, climate change
What is the average rainfall per year?
3000mm
How much of the world’s oxygen does the Amazon produce?
20%