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en.wikipedia.org/wiki/Biogeochemical_cycle

In Earth science, a biogeochemical cycle or substance turnover is a pathway by which a chemical substance moves through both the biotic (biosphere) and ...

www.yourarticlelibrary.com/environment/ecosystem/4-common-biogeochemical-cycles-explained-with-diagram/28229

Some of the major biogeochemical cycles are as follows: (1) Water Cycle or Hydrologic Cycle (2) Carbon-Cycle (3) Nitrogen Cycle (4) Oxygen Cycle.

www.reference.com/science/four-biogeochemical-cycles-5ecc4d7f783824ba

The four biogeochemical cycles include the water cycle, the carbon cycle, the phosphorous cycle and the nitrogen cycle. These four cycles involve biology, ...

www.dummies.com/education/science/discovering-the-biogeochemical-cycles

... and the process by which organic matter returns to the chemical elements in the earth is explained by the chemical part. There are four biogeochemical cycles , ...

www.tutorvista.com/content/biology/biology-iv/ecosystem/biogeochemical-cycles-types.php

Biogeochemical cycles are basically of two types: ... Some of the major biogeochemical cycles in nature are carbon cycle, nitrogen cycle, oxygen cycle, water ...

ci.coastal.edu/~sgilman/778BioChemCycles.htm

A biochemical cycle is the transport and transformation of chemicals in ... and is one of the major ways that high molecular weight (big) carbohydrates are broken  ...

www.colorado.edu/GeolSci/courses/GEOL1070/chap04/chapter4.html

Biogeochemical cycles: the movement (or cycling) of matter through a .... Time scale for this cycle is millions to hundreds of millions of years, so not a major ...

www.quora.com/What-are-the-four-most-important-biogeochemical-cycles

Biochemical cycles are basically of two types: a) Gaseous cycles like carbon (as carbon dioxide), oxygen, nitrogen, etc. b) Sedimentary cycles like sulphur, ...

www.newworldencyclopedia.org/entry/Biogeochemical_cycle

All of these components are reservoirs of carbon. The cycle is usually discussed as four main reservoirs of carbon interconnected by pathways of exchange.