amazon rainforest

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23 Terms

1
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What percentage of the amazon is oin brazil

60%

2
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What is on top of the forest floor

Humus layer

3
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Where are most of the plants of the shrub layer found

near rivers

4
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What is part of the under canopy

Saplings, which are between the trunks of larger trees

5
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How tall is the canopy

20-30 metres

6
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Height of emergency

50 m or greater

7
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What percentage of deforestation in Brazil is illegal

50%

8
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What percentage of deforestation is for logging and timber extraction

3%

9
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Why did brasillian deforestation increase in 2019

due to a change in policy

10
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When is the current record low level of deforestation

2009

11
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What percentage of the reainforest has been cleared since 1970

20%

12
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What area has been cleared since 1970

760,000km2

13
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What percentage of the worlds economy is supported by biological resources

40%

14
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What percentage of the needs of the poor are supported by bioligical resources

80

15
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How many countries does the amazon span

9

16
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What is the tree coverage - 2018

3.3km²

17
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What percentage of logging gis for cattle ranching

63%

18
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What percentage of logging is for subsistence farming

12%

19
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What percentage of the worlds co2 emissions is absorbed by the amazon yearly

5%

20
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What mass of co2 emissions is absorbed by the amazon yearly

2 billion tons

21
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Where does Brazil place for beef exports

1st

22
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How many drugs have been created from tropical forest plant species

over 7000

23
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