kretslopp i naturen
type: Concept
preferred label: element cycle @en
preferred label: aineiden kierto @fi
narrower: denitrifikation

denitrifikation
type: Concept
broader: kretslopp i naturen
related: nitrifikation
in scheme: conceptscheme
preferred label: denitrification @en
preferred label: denitrifikaatio @fi

nitrifikation
type: Concept
preferred label: nitrification @en
preferred label: nitrifikaatio @fi
related: denitrifikation