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Landscape eco-planning is an important approach to keep sustainable development, which can coordinate the relationship between man, nature and resource use. The landscape eco-planning in the future not only must meet the need of landscape's natural function and human, but also need to meet the need of sustainable use of the land. This article discusses the concept, the main principles, procedures and methods of landscape eco-planning, and clarifies the GIS technology in the use of landscape planning and design, in order to play a promote role in the landscape eco-planning in China.

In recent years, constructed wetland technology as an alternative to conventional sewage treatment technology process has been widely used, industrial waste, agricultural waste, non-point source pollution control and reconstruction wetlands. Because the technology can remove organic pollutants and nitrogen and phosphorus and to beautify the environment has become widely accepted, the goal of this work was to provide different constructed wetland substrates and their applications. This study was designed to determine differences in the ability of different types of constructed wetland substrates.