Neco Model Questions Vol1 2023 Biology Question 6
Practice objective / multiple choice question 6 from the 2023 Neco Model Questions Vol1 Biology examination.
In a lake ecosystem the gross primary productivity (GPP) is \(1500\ \text{g C m}^{-2}\text{yr}^{-1}\). Autotrophic respiration equals 20 % of GPP. Of the net primary production, 15 % is exported to an adjacent water body. The remaining net primary production is partly consumed by heterotrophic respiration, which accounts for 40 % of the production that stays in the lake. Calculate the net ecosystem productivity (NEP) remaining in the lake in \(\text{g C m}^{-2}\text{yr}^{-1}\).
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This is Neco Model Questions Vol1 2023 Biology Question 6. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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