Chemical Characteristics and Genesis in Dongjiang River of Dongguan;

Water source,quality and aquatic environment protection of Dongjiang River;

Impacts of Huge Amount of Sand Dredging on Riverbed Morphology and Tidal Dynamics of the Lower Reaches of the Dongjiang River and the Dongjiang River Delta;

Water-holding capacity of litter and soil in different types of mixed forests for water conservation in Dongjiang drainage area;

The Tree Species Selection of Water-Conserved Forests in Dongjiang Drainage Area of Dongyuan County;

A Test Study on Biological Pretreatment for Micro-polluted Source Water from the Dongjiang River;

In this paper, processing methods of remote sensed information are offered and used to study the changes of the Dongjiang river.

The upper East River is the main sediment-producing area in the East River Basin.

On Cao Cao s Strategic Decisions for Attacking Jingzhou and Jingdong;