Amazon Rainforest Case study Flashcards

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1
Q

what % of the world’s rainforest does the Amazon hold

A

60%

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2
Q

in the last 50 years, how much of the forest has been destroyed

A

20%

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3
Q

how long does it take to clear an area of forest the size of a football pitch

A

1 minute

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4
Q

what area does the forest cover

A

20 times the size of Britain

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5
Q

how much of the forest is in Brazil

A

2/3

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6
Q

how much of the oxygen in the atmosphere does it produce

A

20%

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7
Q

how much forest is vanishing in a day

A

2000 football pitches worth

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8
Q

what is the biggest single reason for forests being cleared

A

cattle farming

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9
Q

in the 1980s what was the recorded figure for deforestation

A

77,000 square miles twice the size of Belgium/the size of New York/ size of California disappears

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10
Q

what fraction of the oxygen it produces do we breath

A

1/5

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11
Q

what % of world’s freshwater does it hold

A

20%

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12
Q

what % of species of life on Earth

A

50%

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13
Q

in 2006 what was the annual destruction rate

A

dropped by 70%

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14
Q

what happened in 2019

A

consumed by fire, more and more trees are cut down, highest rate of deforestation in a decade

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15
Q

how many square kilometres were filled with natural resources

A

5 million

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16
Q

what was created in order to attract people out of cities to cultivate the land

A

Trans Amazonian Highway

17
Q

between 1978-88 what was the average destruction

A

20,000 sq/km a year

18
Q

what was the name for this area

A

The Arc of Deforestation

19
Q

by 2012 how much of the Amazon was under some form of protection

A

47%

20
Q

what % could land owners clear of their private land

A

20%

21
Q

what % of seats did the Ruralistas have in congress in 2003

A

17%

22
Q

what % of seats did the Ruralistas have in 2012

A

30%

23
Q

what % did the Ruralistas have in 2016

A

44%

24
Q

how many fires were burning in the Amazon in August 2019

A

30,000

25
Q

how many more fires were burning in 2019 than there were in 2018

A

3x the amount

26
Q

at what point is it estimated the rainforest will start to collapse

A

if 20-25% of it is deforested