Biosphere - Major Store Of Carbon Flashcards
1
Q
What is the total amount of carbon stored in the terrestrial biosphere?
A
3,170 GtC
2
Q
What are the main stores of carbon in the terrestrial biosphere?(5)
A
Vegetation Plant litter Soil humus Peat Animals
3
Q
What percent of the Earths carbon is stored in plants?
A
19%
4
Q
What is plant litter?
A
Fresh, undecomposed, and easily recognisable plant debris
5
Q
What percentage do leaf tissues account for of litter in forests?
A
70%
6
Q
What is humus?
A
A thick brown / black substance that remains after most of the organic litter has decomposed
7
Q
What is peat?
A
An accumulation of partially decayed vegetation or organic matter that is unique to nature
