Amazon Rainforest Case study Flashcards

(26 cards)

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

20
Q

what % could land owners clear of their private land

21
Q

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

22
Q

what % of seats did the Ruralistas have in 2012

23
Q

what % did the Ruralistas have in 2016

24
Q

how many fires were burning in the Amazon in August 2019

25
how many more fires were burning in 2019 than there were in 2018
3x the amount
26
at what point is it estimated the rainforest will start to collapse
if 20-25% of it is deforested