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biosphere > ecology > ecological parameter > biogeochemical cycle
... > science > natural science > life science > ecology > ecological parameter > biogeochemical cycle

Preferred term

biogeochemical cycle  

Definition

  • Movement of chemical elements in a circular pathway, from organisms to physical environment, back to organisms. The process is termed a nutrient cycle if the elements concerned are trace elements, which are essential to life. A biogeochemical cycle occurs when vegetation decomposes and minerals are incorporated naturally in the humus for future plant growth.

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URI

http://www.eionet.europa.eu/gemet/concept/833

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