Deforestation in the Amazon

Question 1

give 6 causes of deforestation

Answer 1

commercial agriculture
settlements
logging
energy development
population growth
mineral extraction

Question 2

what is the main cause of deforestation in the Amazon?

Answer 2

cattle ranching - 80%

Question 3

commercial agriculture -> deforestation

Answer 3

200 million herds of cattle
450 000 square km for cattle

soy - new variety
not deforestation in Brazil - Greenpeace

Question 4

settlements -> deforestation

Answer 4

1.2 million people to Amazonia since 1970s
13.5% mapped deforestation
socially responsible

Question 5

logging -> deforestation

Answer 5

strictly regulated
illegal logging
roads provide access

Question 6

energy development -> deforestation

Answer 6

dam needs land to be flooded
Belo Monte Dam - 4th biggest in world
flooded 260 square miles
power used for mining

Question 7

population growth -> deforestation

Answer 7

increased demand for food
space for living
wood as fuel

Question 8

mineral extraction -> deforestation

Answer 8

Madre de Dios (in Peru) - gold
river ecosystems damaged by mercury
vegetation cleared for machines

Question 9

give 4 impacts of deforestation

Answer 9

economic development
soil erosion
climate change
loss of habitat

Question 10

deforestation -> economic development

Answer 10

GDP reduced by 7% by 2050
reliant on forests converted to agricultural land
loss of long-term income
benefits - space for farming

Question 11

deforestation -> soil erosion

Answer 11

tree roots anchor soil

nutrients lost from soil

Question 12

deforestation -> climate change

Answer 12

forestry and agriculture - 24% greenhouse gases
forests absorb carbon dioxide
soil can dry out

Question 13

deforestation -> loss of habitat

Answer 13

800 square km burnt each day across world

extinction