amazon rainforest Flashcards
(13 cards)
what percentage of the Amazon rainforest is in brazil
60%
what area (km2) is the amazon rainforest
5.5 million km2
rate of precipitation in the rainforest
2000-3000mm/year - high
evapotranspiration rate?
high - 75% of rainfall returns to atmosphere
what percentage of known species is amazon home to
10%
what percentage of brazilian amazon is under protection
44%
what percentage of the total causes of deforestation is for cattle ranching
65%
what are causes of deforestation?
cattle ranching, commercial agriculture (soy, palm), logging, mining (eg gold), infrastructure (eg roads like the trans-amazonian highway)
how many tonnes of carbon does the amazon rainforest store in biomass
about 100 billion tonnes
how much CO2 is absorbed as a result of photosynthesis
2.2 billion tonnes
how much did Brazil reduce deforestation from 2004-2012
80%
why has deforestation risen since 2019
weakened environmental policies under Bolsonaro. Increased illegal mining and logging
how does the REDD+ (reducing emissions from deforestation and degradation) act as a sustainable management strategy
pays developing countries to preserve forests. Norway pledged 1 billion dollars to Brazil for reduced deforestation
