Case Study- The Amazon Rainforest Flashcards Preview

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Flashcards in Case Study- The Amazon Rainforest Deck (21)
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1

HowMuch carbon is stored in the Amazon rainforest?

1/5 of all carbon on the planet

2

How much of the Amazon rainforest has been destroyed?

750,000 km²

3

Where is the Amazon?

south America

4

How many tons of carbon is stored in Amazon?

80- 220 billion tons of carbon

5

What is the result of sequestrating of CO2 from the atmosphere?

Carbon sequestration has increased pay activity and increased above ground biomass by 0.3 to 0.5% per year

6

What is a 2015 Street show about the Amazon rainforest?

It shows that Amazon is less able to absorb CO2

7

What has happened to the net uptake?

It is halfway by its peak of 2 billion tonnes of CO2

8

What is happening to the trees in the Amazon due to the carbon cycle?

Growth spurt= dying younger

9

What is the average rainfall annually in the Amazon rainforest?

2300 mm

10

Why are Precipitation levels high on Amazon?

Hi evaporation over the Atlantic Ocean equals wet air blowing towards Amazon

11

What happens to half of the rainfall?

Half of rainfall is intercepted by the canopy then evaporate into the atmosphere

12

What percentage of rainfall reaches the sea?

30%

13

What are they effects of the slash and technique?

-reduction porosity of soil
-sudden evaporation
-increased albedo and temperature

14

What are three effects on the water cycle of deforestation?

-run off rates increased =flooding
-no canopy to intercept rain and sunlight
-little evapotranspiration, but the moisture that does evaporate= shallow cumulus clouds-= little rain = drought

15

What are three effects on the carbon cycle from deforestation?

-no roots to hold soil= washes away top layer= carbon in hydrosphere
-less leaf litter=no humus=no new growth=less co2 absorbed
-less tress = less photosynthesis =enhanced greenhouse effect

16

How is climate change affecting the Amazon?

Higher temperatures unless precipitations leads to drought. Major drought in 2005 in 2010. Long drought can lead to extinction

17

How will increase temperature rise affect Amazon?

4 degree temperature rise will kill 80% of them amzon. Resulting in more see you to being released from the Decay

18

What organisation Is in the Amazon?

Amazon corporation Treaty organisation. They promote harmonious development

19

What has been done to mitigate the affects of human activity in the Amazon?

The creation of National Parks (tumucumaque National Park 3.84 million hectors)
-Reforestation
-selective logging
- Enrichment of degraded forests using native species

20

How much rainwater is intercepted by the canopy

75%

21

What happens that 75% of rainfall that is intercepted by the canopy

50% is infiltrated through vegetation And soil
25% is evaporated