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Carbon cycle, nitrogen cycle and phosphorus cycle play important role in the ecosystems. Which of the following statement(s) is/are NOT correct about the phosphorus cycle?

  1. Shortage of phosphorus can be a limiting factor in many ecosystems, however, its excess can stimulate eutrophication.
  2. Organic phosphates exist in various rock and soil minerals.
  3. Like carbon cycle, phosphorus also has a gaseous phase and can move into far away ecosystems.
  4. Human interventions like application of phosphorus fertilizers cause much phosphorus to get into the ocean.

     

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