Freshwater marshes have one of the highest rates of gross primary production (GPP) and net primary production (NPP) of all ecosystems - AQA - A-Level Biology - Question 4 - 2021 - Paper 3
Question 4
Freshwater marshes have one of the highest rates of gross primary production (GPP) and net primary production (NPP) of all ecosystems.
Carbon use efficiency (CUE) i... show full transcript
Worked Solution & Example Answer:Freshwater marshes have one of the highest rates of gross primary production (GPP) and net primary production (NPP) of all ecosystems - AQA - A-Level Biology - Question 4 - 2021 - Paper 3
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Answer
Freshwater marshes have a high rate of net primary production due to their abundant vegetation and warm, moist conditions which promote plant growth. The presence of water also boosts photosynthesis by allowing for optimal light absorption and nutrient transport to plants.
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A higher CUE indicates that more energy captured through photosynthesis is converted into biomass, allowing for greater overall productivity and supporting diverse ecosystems dependent on these marshes.
