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biogeochemical cycle
.מדעי biogeochemischer Kreislauf
biogeochemischer Zyklus; Biogeochemischer Kreislauf; biogeochemische Zyklen
biogeochemical cycle 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
Biogeochemischer Kreislauf