Enquiry Question 3: How are the water and carbon cycles linked to the global climate system? Flashcards

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1
Q

What % of rainforest has Indonesia lost in the past 25 years?

A

25%

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2
Q

What % of temperature forests were deforested by the 19th century?

A

90%

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3
Q

How many hectares of land are deforested annually?

A

13 million ha

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4
Q

What % of deforestation occurs because of soy, palm oil, beef and paper production?

A

50%

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5
Q

What are the two methods used for deforestation?

A

Clear cutting and slash and burn

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6
Q

What are the three reasons for increasing deforestation rates in Madagascar?

A

Expanding population; demand for hardwoods and debt repayments

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7
Q

Madagascar is the world’s primary supplier of what commodity?

A

Vanilla pods

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8
Q

How long is China’s Three-North Shelterbelt Project?

A

4,500km

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9
Q

What is the purpose of China’s Three-North Shelterbelt Project?

A

To reduce desertification.

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10
Q

When did the biofuel rush occur in the American Midwest?

A

2007 - 2015

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11
Q

How many hectares of natural grassland disappeared because of the American Midwest fuel rush?

A

5.5 million

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12
Q

What % of the earth’s land area shifts to a new climate from a warming of 2˚C?

A

5%

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13
Q

The Amazon Basin is responsible for what % of the total terrestrial vegetation carbon store?

A

17%

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14
Q

In the 2005 droughts, how much CO2 was released from the Amazon Basin?

A

5 billion tonnes

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15
Q

In the 2010 droughts, how much CO2 was released from the Amazon Basin?

A

8 billion tonnes

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16
Q

How much palm oil is produced annually in Indonesia?

A

66 million tonnes

17
Q

Which country did Indonesia overtake in 2015 in terms of GHG emissions?

A

USA

18
Q

Roughly how many formal and informal jobs are provided from forests globally?

A

13.2 million formal; 41 million informal.

19
Q

How much money did Indonesia’s ‘forest moratorium’ from the UN and Norwegian government

A

$1 billion.

20
Q

What % of UK land was forested in 2016?

A

13%

21
Q

How much more acidic are our oceans compared to 1750?

A

30%

22
Q

What is the ideal water temperature range for coral?

A

23-29˚C

23
Q

What gives coral its colour?

A

Algae

24
Q

How big is the Great Barrier Reef?

A

1,400 miles

25
Q

How many mass bleaching events have occurred on the Great Barrier reef between 2015 and 2020?

A

3

26
Q

What % of marine species do coral reefs shelter?

A

25%

27
Q

In the past few decades how much faster has the average Arctic temperatures risen compared to the global average?

A

Twice as fast

28
Q

In Yukon, what was the % of the total ice area that shrank between 1958 and 2008?

A

22%

29
Q

Inflows to the river Yukon has increased by what % since 2000?

A

39%

30
Q

How much carbon do mangroves sequester per hectare, per year?

A

1.5 tonnes

31
Q

What % of global mangrove forests has been lost since 1950?

A

50%

32
Q

A 4˚C warming causes a loss of what % from soil organic carbon of: shallow peat; deep peat.

A

Shallow peat – 40%

Deep peat: 86%

33
Q

In what year was the Paris Climate Agreement adopted?

A

2016

34
Q

How many countries agreed to the Paris Climate Agreement?

A

195

35
Q

In what year was the Kyoto Protocol adopted?

A

1997