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The importance for studying the influences to the environment by tourism activities is noted by more and more people. The researching method changes from the original qualitative description to quantitative description. Taken Shanghai ChongMing Island as an example, the tourism environmental carrying capacity of this island is studied by combining with the its unique island characteristics. The factors...
Based on the grey analysis of water quality of the small forest watershed which located in the upper watershed of the Miyun reservoir of Beijing mountain area. Its results show that one of them water quality is IV degree becomes it was polluted by the mercury, the rest of them show that the water quality degree are II or I, and its also show that the grey correlation coefficient of forest watershed...
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