Mineral Nutrient Cycling (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Nutrients definition
Nutrients definition
Chemical elements & compounds organisms need to grow & function
Biomass definition
Biomass definition
All living plant & animal matter in an ecosystem
Litter in nutrient cycling
Litter in nutrient cycling
Dead organic matter on soil surface
Soil nutrient store
Soil nutrient store
Mix of weathered rock, air, water & decomposed organic matter
Nutrients vs energy movement
Nutrients vs energy movement
Nutrients cycle repeatedly; energy flows one direction
Plant uptake process
Plant uptake process
Plants absorb nutrients from soil through roots (soil to biomass)
Decomposition in nutrient cycle
Decomposition in nutrient cycle
Decomposers break down litter, releasing nutrients to soil
Leaching process
Leaching process
Water dissolves & carries nutrients deeper through soil
Gersmehl diagram circles
Gersmehl diagram circles
The 3 nutrient stores; size = amount of nutrients stored
Gersmehl diagram arrow thickness
Gersmehl diagram arrow thickness
Rate of nutrient flow between stores