Biosphere - Major Store Of Carbon Flashcards

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1
Q

What is the total amount of carbon stored in the terrestrial biosphere?

A

3,170 GtC

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2
Q

What are the main stores of carbon in the terrestrial biosphere?(5)

A
Vegetation 
Plant litter
Soil humus
Peat
Animals
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3
Q

What percent of the Earths carbon is stored in plants?

A

19%

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4
Q

What is plant litter?

A

Fresh, undecomposed, and easily recognisable plant debris

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5
Q

What percentage do leaf tissues account for of litter in forests?

A

70%

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6
Q

What is humus?

A

A thick brown / black substance that remains after most of the organic litter has decomposed

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7
Q

What is peat?

A

An accumulation of partially decayed vegetation or organic matter that is unique to nature

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