Tong Guoqing¹, Zhang Huaxing² , Sun Lijuan¹, Li Hongwei¹

(1. Yellow River Shandong Bureau, YRCC 2. Department of International Cooperation, Science and Technology, YRCC)

[Abstract] This article first summarizes the profile of the foreign river delta harnessing; focusing on water environment and eco-system degradation, by some good examples in river estuaries harnessing, such as Australia, the Netherlands, the USA. Human activity is a main cause resulted in unbalance of the bio-systems of many estuaries in the world. Based on the above analysis, the article draws the conclusions how to maintain the river estuary health in our country.

[Key words] Delta; delta harnessing; eco-system; practice