[Objective]To know about the eutrophic condition of present Fenhe Second reservoir.

Analysis on and Treatment of the Cracks on the Rolled Concrete Dam Surface of the Fenhe Reservoir Two;

The Main Construction Techniques Adopted in the Key Project of Fenhe Reservoir Two;

Application of Rolled Concrete in the Large Dam Engineering of No.2 Fenhe Reservoir;

Studies on DCCA of the attached diatom community in headwater rivers of Fenhe Reservoir;

Discussion on the Sedimentation of Fenhe Reservoir and the Prevention Measures;

The Stratification of Water Body of Fenhe Reservoir and the Countermeasures;