Amazon Rainforest
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24 Terms
What is the total area covered by the Amazon rainforest?
6 million km²
What is the average rainfall per year?
2000mm
What is the average temperature?
27C
What percentage of precipitation is recycled back to the atmosphere by evapotranspiration?
50%
What percentage of precipitation is intercepted by the trees in the tropical rainforest?
10%
Which 2 sections of the Amazon rainforest are the largest stores of carbon?
Above ground and below ground biomass
What is the NPP of the Amazon rainforest?
2500gm² yr
What percentage of deforestation is due to cattle ranching?
65-70%
Since 1970 what proportion of the Amazon has been destroyed?
20%
By how much might rainfall reduce in the Amazon rainforest as a result of deforestation?
20%
What type of feedback loop is created when deforestation reduces rainfall?
Positive
After deforestation, tropical rainforests become grassland. This increases runoff by how much?
27 times
Flash floods will wash carbon and nutrients from the soil by which process?
Leaching
Where and when did devastating floods occur on a major tributary of the Amazon river?
Madeira, 2014
How many people were killed in the Madeira floods?
60
After deforestation what happens to the amount of carbon stored above and below ground?
Above ground reduces by ¾
Below ground reduces by 1/3
By how much do fluxes of photosynthesis reduce as a result of deforestation?
50%
After deforestation, decomposition and combustion of cleared vegetation makes the rainforest a carbon…
source
What does ARPA stand for?
Amazon Regional Protected Areas
How much of the ARF is protected by ARPA now?
44%
What does REDD stand for?
Reduction of Emissions from Deforestation and forest Degredation
What is the name of the tribes people who work on the REDD+?
Surui people
Market based approach to limiting carbon emissions where businesses receive and annual carbon quota (credits) which can be bought and sold on international carbon market is…
Carbon offsetting
Name the Peruvian based NGO which manages 1500 acres of rainforest by training local farmers in agroforestry
CREES