Key Facts Flashcards

1
Q

How much does land use change account for carbon emissions?

A

A tenth of it yearly

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2
Q

What percentage of deforestation in amazon is for cattle?

A

70%

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3
Q

What percentage rainfall intercepted by trees?

A

75%

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4
Q

How much co2 do volcanoes generate?

A

200 million tonnes

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5
Q

How much co2 do humans generate?

A

24 billion tonnes

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6
Q

In 2011 how much co2 did cows emit?

A

39%

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7
Q

How much land do fires burn?

A

3-4 km squared a year

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8
Q

How much co2 do natural fires consume?

A

10-20%

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9
Q

How much co2 does the amazon store?

A

80-120 billion tonnes

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10
Q

What has a study in 2015 found?

A

That the amazon is loosing its ability to absorb co2

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11
Q

What percentage of water does the amazon account for?

A

15% of global water

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12
Q

What is rainfall in the amazon?

A

2,300 mm annually

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13
Q

What percentage of rainfall actually reaches the sea?

A

30% because of evapotranspiration

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14
Q

What rate was the amazon deforested at?

A

2000-2007 19,300 km squared a year

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15
Q

What percentage of co2 is lost from defoestation in the amazon?

A

59%

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16
Q

How many hectares of forest lost between 2000-2010?

A

3.6 million

17
Q

What would a 3 degree rise in temperature see for the amazon?

A

75% of the forest destroyed through drought

18
Q

How much carbon do the soils in amazon contain?

A

4-9kg