water and carbon -amazon rainforest case study (carbon cycle in the amazon) Flashcards

1
Q

what percentage does the amazon rainforest hold of the global terrestrial vegetation carbon stock?

A

.17%

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2
Q

why is the amazon rainforest classed as a carbon sink?

A

.wood is 50% carbon, so rainforest plants and trees store carbon which can help mitigate the effects of global warming

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3
Q

what type of amazon rainforest takes in more carbon dioxide than they put back into the atmosphere?

A

.untouched amazon forest

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4
Q

what evidence is there that supports the idea that untouched tropical rainforests act as a carbon sink?

A

.dead amazonian trees emit 1.9 billion tons of carbon into the atmosphere each year but the amazon rainforest absorbs 2.2 billion tons of carbon dioxide

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5
Q

what can have a massive influence of the carbon cycle in the amazon?

A

.human activity eg: land use change can have significant influence on the carbon cycle

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