Using the sudden bloom of cyanobacteria in a lake due to anthropogenic fertilize

colleen

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12 years ago

Using the sudden bloom of cyanobacteria in a lake due to anthropogenic fertilize

Using the sudden bloom of cyanobacteria in a lake due to anthropogenic fertilizer inputs as an example, explain the coupling of carbon, nitrogen, and oxygen cycling. Exclude discussion of all organisms other than microorganisms.

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duddy

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12 years ago

An increase in primary producers results in more CO2 being taken (i.e., fixed) from the air. Increased biomass growth will also make more oxygen available for respiring heterotrophic microorganisms in the lake. The cyanobacteria might also increase nitrogen fixation, which would take nitrogen out of the atmosphere and bring in bioavailable nitrogen substrates for other microorganisms to proliferate.

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