The resources of wild higher plants growing in the flood land of the Fenhe River (Linfen section) were investigated and the utilization of them were tentatively discussed in this paper, The investigation showed that there were 83 species of higher plants which were included in 31 families.

So it’s very important to know the evolution features of the central bar and the stability and reinforcement of a project by studying the hydraulic characteristics of the central bar and the stability of the beach protection construction.

The water sediment monment regularity of the middle reach of the central bar of Yangtze River are verycomplex,especially the navigation problems are prominent,which have become the“bottle-neck”of restring the development of navigation.

A sediment core of 549 cm is collected from the river floodplain of Yellow River in Sanmenxia Reservoir for the test of the concentrations of organochlorine pesticides(OCPs) and minerals.

Man-made radionuclide of Cesium-137 can be as environment tracer to research the sediments on river floodplains.