Evaluation and Study on Influence of Human to Wetlands in Ganghuang Section of Hutuo River;

Discussion on the Pattern of Rehabili-tation of the Ecological Environment of Dry Waterways——With the Study of the Ecological Comprehensive Improvement of the Hutuo River(Shijiazhuang Section)as an Example;

Simulation analysis on temperature field and stress distribution during construction of Inverted Siphon Project of Hutuo River;

Studies on the Phytoremediation to Heavy Metals Pollution in the Hutuohe River Wetland;

The Quality Control of Regulation Project of Hutuohe River;

Studies on the Current Situation,Conservation and Utilization of Plant Resouces in the Hutuohe River Wetland;

Formation of Dyke Building and Bank Protection in Channel Improvement of the Hutuo River and Its Evaluation;

Study of Regulating and Storage Function of the Hutuo River s Underground Reservoir;

A Study on Watercourse Shifts of the Hutuo River on the Plain since the Ming Dynasty;