Research　on　the　overall　social,　economic　and　environmental　(SEE)　impacts　of　water　resources　projects　(WRP)　has　gradually　attracted　attention.　However,　the　WRP-related　indirect　impacts　as　linked　through　various　supply　chains　from　a　number　of　disaggregated　sectors　and　their　interactive　relationship　are　rarely　studied.　Here　in　this　study,　under　a　general　disaggregated　input-output　(IO)　framework,　a　distributive　Three　Gorges　Project　input-output　(DTGIO)　model　is　developed　to　investigate　the　composite　effects　of　Three　Gorges　Project　(TGP)　based　on　a　disaggregated　TGP-IO　table　for　the　Yangtze　River　economic　belt　(YREB).　DTGIO　model　could　facilitate　exploring　i)　the　interactions　among　key　TGP-related　effects　from　production　and　consumption　sides;　ii)　the　impacts　of　various　TGP-induced　changes　on　specific　SEE　sectors;　iii)　the　detailed　TGP　water　flow　paths　as　induced　by　the　final　demand　of　each　province　in　YREB.　It　is　discovered　that　the　TGP　has　the　greatest　impact　on　agriculture.　Although　the　construction　of　the　TGP　submerged　a　large　amount　of　land　and　adversely　affected　agriculture　in　the　reservoir　area,　its　effective　flood　control　function　can　reduce　flooding　in　the　＂land　of　fish　and　rice＂　and　create　favorable　conditions　for　agricultural　development.　The　connection　between　the　TGP　and　the　inner　provinces　of　YREB　is　mainly　realized　by　the　hydropower　generation　sector.　For　the　economic　benefits　of　the　TGP,　the　economic　benefits　of　the　investment　of　various　sectors　of　the　TGP　are　diversified,　which　should　be　adjusted　according　to　the　government＇s　objectives.　For　the　ecological　effects　of　the　TGP,　the　interaction　of　sectors　(especially　the　irrigation　service　sector　and　hydropower　generation　sector　on　consumption　side,　and　the　hydropower　generation　sector　and　water　supply　sector　on　production　side)　should　be　valued　and　a　sense　of　joint　management　for　the　relevant　sectors　of　TGP　should　be　established.　(c)　2021　Published　by　Elsevier　B.V.