Term Name:	nitrogen cycle metabolic process
Synonyms:
Definition:	A nitrogen compound metabolic process that contributes to the nitrogen cycle. The nitrogen cycle is a series of metabolic pathways by which nitrogen is converted between various forms and redox states; it encompasses pathways in which nitrogen is acted upon directly, such as nitrification, denitrification, nitrogen fixation, and mineralization.
Ontology:	GO: Biological Process [GO:0071941]    QuickGO    AmiGO