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GCSE Geography · key term
The transfer of nutrients between stores, for example from soil into plants through root uptake.
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Specification 5.3.2 · Component 2
Revise: Contrasting Biomes: Processes, Biodiversity and ServicesA nutrient store holds nutrients; a nutrient flow transfers them somewhere else. Three important stores are biomass, litter and soil.
Specification 3.1.2 · Component 1, Component 2
Distinguish a nutrient store from a nutrient flow: biomass is a store; uptake by roots is a flow.
Distinguish nutrient stores from nutrient flows. A large store does not necessarily mean a rapid flow.
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Compared with hot semi-arid grasslands, its nutrient flows are less interrupted by seasonal water shortages.
