Case study - Human disruptions in Amazonia

Question 1

What percentage of the Amazon forest has been destroyed?

Answer 1

Over 20% of the Amazon forest has been destroyed

Question 2

Give some reasons for deforestation in the Amazon?

Answer 2

• Cattle ranching
• Large-scale commercial agriculture for biofuels and soya beans
• The general development of towns and roads
• Illegal logging

Question 3

How much did river discharge in the Tocantins River increase by between 1960 and 1997?

Answer 3

25%