By analyzing the distribution of mined - out area under Mahe riverbed in Xishimen Iron,and monitoring the sedimentation stability of riverbed,the Disaster treatment program for this settlement area is pointed out.

Application of Discriminant Analysis Method in Water Quality Assessment——Take Yinma River Basin as an Example;

Analysis for the features of the channel evolvement of middle and downstream of Yinma River;

Moving unit division and deposit features of modern sidebeach in Dayushulin,Yinma River;

The investigation for monitoring water quality of Maliao River and the thought on the measures of controlling the pollution of the rivers into Dianchi Lake;

To protect the water environment of Fuxian Lake, an integrated constructed wetland was built in the riparian zone of Fuxian Lake for the treatment of water from Maliao River.

Protozoan community character in relation to trophic level in the Beijing section of the Juma River;

Study on Adsorption of Heavy Metals by Suspended Sediment of Juma River;

Fish composition and species biodiversity of the Beijing section of Juma River;

Contrastive Study on the Heavy Metal Pollution in Sediment of the Jingma River and the Old Course of the Yellow River;

0×10 5 m 3 of waste water into Jingma river every day.

The Jingma River is a major river for receiving pollution and has caused pollution in Xuzhou region of the Jinghang Great Canal.