vesistöjärjestelyt
type: Concept
preferred label: vattendragsreglering @sv
preferred label: watercourse arrangements @en
related: joenperkaus

ruoppaus
type: Concept
preferred label: muddring @sv
preferred label: dredging @en
related: joenperkaus

toisenlaiseksi muuttaminen
type: Concept
preferred label: förvandling @sv
preferred label: alteration @en
narrower: joenperkaus

joenperkaus
type: Concept
preferred label: river cleaning @en
preferred label: årensning @sv
related: vesistöjärjestelyt
related: ruoppaus
related: vesistöjen kunnostus
broader: toisenlaiseksi muuttaminen
in scheme: conceptscheme
alternative label: koskenperkaus

vesistöjen kunnostus
type: Concept
preferred label: remediation of water systems @en
preferred label: restaurering av vattendrag @sv
related: joenperkaus