Biogeochemical cycles are broadly classified into gaseous and sedimentary cycles. Gaseous cycles have reservoirs primarily in the atmosphere (e.g., Nitrogen, Carbon, Oxygen). Sedimentary cycles have reservoirs primarily in the Earth's crust (rocks and minerals) (e.g., Phosphorus, Sulfur). The Phosphorus cycle is a classic example of a sedimentary cycle as it involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere, with the main reservoir being in rocks and minerals.
The following is a sedentary cycle:
Asked in WBCS Main Paper 4 2019 · Topic: Ecology (Biogeochemical Cycles: Carbon, Nitrogen, Phosphorus, Sulphur, Water)
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