This paper,based on a case study of the upstream of Fenhe Reservoir in Yellow River,applies the Remote Sensing data of Landsat MSS(1976),TM(1990) and ETM+(2002) to dynamically monitor the land erosion with the results indicating that the soil has been eroded extensively during 1976 to 1990,and turned to a good condition in general during 1990 to 2002,but still worsening lo.

Analysis on the sand production in the upstream basin of Fenhe reservoir;

The relationship between population pressure growth and environmental change in recent 600 years in the upper reaches of the Fenhe River;

The integrated treatment of soil and water conservation in the upper Fenhe River has been conducted for almost 20 years.

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;