Ecological water requirement for region means the minimal water demand for supporting the integrality ecological system in the region,which includes two parts of ecological water requirement of vegetation and water area.

To find out the present environmental condition of water area around Jiangbi Industry Park and then to assess the impact to water area from the industry park,we sampled and analyzed the water,sediments and fished inside Jiangbi industry park and in Yangchong river,Maozhou river,Dongbao river and Pearl river mouth.

It is also introduced how to make up the application effect in the engineering prospecting under complex conditions,such as water area,mountainous area.

The investigation report on fishery ecological environmentcondition of Anhui key waters;

Design and application of input system to waters investigation in Zhejiang;

Based on the field studies in Yilan county in the Northwestern Sanjiang Plain,the diversity of plants in some waters of rivers Mudan,Weiken and Balan were measured.

Studies on defining methods of rational water body percentage;

Discussion on safety management in the waters adjacent to the bridges on the upper stream of the Yangtze River;