Biogeochemical Cycles

In geography and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth. There are biogeochemical cycles for carbon, oxygen, nitrogen, phosphorus, sulfur, and water; and there are human-induced cycles such as those for mercury and atrazine. In some cycles there are reservoirs where a substance remains for a long period of time (such as an ocean or lake for water).

Biogeochemical Cycling or Nutrient Cycling

  • Energy flow and nutrient circulation are the major functions of ....
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Bio–Diversity And Environment