Abstract: Using the example of the checks to the environmental protections of Jinshao Irrigation Project, by which executed Assessing and Auditing Center of State Environmental Protection Administration of China, with the cooperation of Liaoning Environmental Monitoring Center, this paper discussed the important role of environmental monitoring during construction item checking before acceptance and how to carry out environmental monitoring. In order to reduce environmental pollution to a minimum during construction period, to protect ecological environment and ambient human heath, it is important to execute ecological monitoring from the beginning of the item.

Key words: Upper reaches of Minjiang River, Soil erosion, Remote sensing, GIS, RUSLE