Enquiry Question 3: How are the water and carbon cycles linked to the global climate system? Flashcards
What % of rainforest has Indonesia lost in the past 25 years?
25%
What % of temperature forests were deforested by the 19th century?
90%
How many hectares of land are deforested annually?
13 million ha
What % of deforestation occurs because of soy, palm oil, beef and paper production?
50%
What are the two methods used for deforestation?
Clear cutting and slash and burn
What are the three reasons for increasing deforestation rates in Madagascar?
Expanding population; demand for hardwoods and debt repayments
Madagascar is the world’s primary supplier of what commodity?
Vanilla pods
How long is China’s Three-North Shelterbelt Project?
4,500km
What is the purpose of China’s Three-North Shelterbelt Project?
To reduce desertification.
When did the biofuel rush occur in the American Midwest?
2007 - 2015
How many hectares of natural grassland disappeared because of the American Midwest fuel rush?
5.5 million
What % of the earth’s land area shifts to a new climate from a warming of 2˚C?
5%
The Amazon Basin is responsible for what % of the total terrestrial vegetation carbon store?
17%
In the 2005 droughts, how much CO2 was released from the Amazon Basin?
5 billion tonnes
In the 2010 droughts, how much CO2 was released from the Amazon Basin?
8 billion tonnes