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
Step 1
Explanation
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Answer
Freshwater marshes exhibit a high carbon use efficiency because they possess a range of primary producers, such as grasses and sedges, that thrive in saturated soils. This high biomass contributes to efficiently converting sunlight into organic material.
Step 2
Advantage
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Answer
The advantage of a high CUE in freshwater marshes is that it allows for greater carbon sequestration in these ecosystems, making them vital in mitigating climate change.
