Amazon Rainforest - Water Flashcards
How much of the rainforest has been destroyed?
Over 20%
What are reasons for deforestation in the Amazon?
Cattle ranching
Large - Scale commercial agriculture
General development of towns and roads
Illegal and legal logging
How much of the worlds rainforests does the Amazon contain?
60%
In a forest environment how much of the intercepted water is returned to EVT?
How much does it reduce to when cleared?
75%
25%
What does more run off cause in the Amazon? (5 things)
Flooding
Mudslides
Leads to aquifer depletion
Overland flow increases
Soil Nutrients washed away
How much rainforest is being cleared every minute?
A football pitch worth?
How much oxygen does the rainforest contribute?
20%
How much forest is being reduced every day?
2000 football pitches
What is the biggest reason for rainforest deforestation?
Cattle grazing
How much of the worlds fresh water comes from the Amazon?
20%
How much did deforestation rates drop by briefly in the early 2000s
70%
When did the first wave of deforestation begin in the Amazon?
1970
How long was the Trans-Amazonian highway that was planned in the ‘70s?
3200km
Between 1978 and 1988 how much was deforested?
What type of vegetable is a common reason for deforestation?
The growth of soy beans
