id	keyword
hungeobull-3118	site
hungeobull-3118	soil
hungeobull-3118	tree
hungeobull-3118	birch
hungeobull-3118	site c
hungeobull-3118	roots
hungeobull-3118	pine
hungeobull-3118	sludge
hungeobull-3118	concentrations
hungeobull-3118	sewage
hungeobull-3118	signifi
hungeobull-3118	shoots
hungeobull-3118	mg·kg-1