2007.1/219PrimaryStudyontheMinimumEcologicalRunoffNecessaryforHydropowerStationApproval//TuQiang,ChenJieAbstract:Waterenergyisakindofshareresource.Itisthecommonresponsibilityofallhumanbeingtoprotectnaturalriversandwaterresources,whilesomewaterenergydevelopmentonthecommercialandeconomicpurposemightresultinthedeteriorationofthenaturalriversandwaterenvironmentnearby.Whenpeoplearedevelopingsocietyandeconomy,environmentcannotbecomethesacrificethatmustbepaid.Waterenvironmentshouldbespeciallypaidattentiontoduringwaterresourcesdevelopmentanditisalongruntoimprovethewaterenvironment.BasedontheconceptthatriverecologyneedswaterandtheriverfeatureofGuangxiautonomousregion,thearticleusethedesigndatausedinthepracticetoanalyzetheminimumecologicalrunoffdownstreamneeded,andbringsforwardthewaystofixontheecologicalrunoffofhydropowerstationsinGuangxiautonomousregion.Keywords:Hydropowerstation;Designapproval;MinimumecologicalrunoffTV742A1673-8241(2007)02-0019-03MANAGEMENT202007.1/2MANAGEMENT2007.1/221MANAGEMENT