Biomass and Net Primary Productivity (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
% of sunlight captured by producers
% of sunlight captured by producers
Less than 2%
Definition of biomass
Definition of biomass
Mass of living organisms in a particular ecosystem
Formula for NPP
Formula for NPP
NPP = GPP - Respiration
Definition of GPP
Definition of GPP
Total energy fixed by plants through photosynthesis
What plant respiration does
What plant respiration does
Uses energy for physiological & morphological activities
What NPP represents
What NPP represents
Energy available for consumption by heterotrophic organisms
Ultimate fate of all captured energy
Ultimate fate of all captured energy
Transformation to heat
Definition of food chain
Definition of food chain
Linear pathway showing energy transfer through consumption
Definition of trophic level
Definition of trophic level
Organism's position in a food chain
Three key organism groups in ecosystems
Three key organism groups in ecosystems
Producers, consumers, and decomposers