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Correlation Analysis of Landscape Structure and Water Quality in Suzhou National Wetland Park, China
Water ( IF 3.0 ) Pub Date : 2021-07-30 , DOI: 10.3390/w13152075 Yaxi Gong , Xiang Ji , Xiaochun Hong , Shanshan Cheng
Water ( IF 3.0 ) Pub Date : 2021-07-30 , DOI: 10.3390/w13152075 Yaxi Gong , Xiang Ji , Xiaochun Hong , Shanshan Cheng
The newly issued “Guideline of General Planning of Wetland Parks”, China, reclassified the functional zoning of national wetland parks into three categories: conservation areas, restoration and reconstruction areas, and rational utilization areas. Therefore, the country is facing a new round of revision and compilation of the general planning of national wetland parks. The purpose of this paper was to provide information to guide wetland park functional zoning and to formulate the water pollution prevention and control strategy. In this study, 53 sampling points of 6 national wetland parks in Suzhou City were selected. Pearson’s correlation analysis, multiple stepwise regression analysis, redundancy analysis, single factor, and comprehensive water quality identification index methods were used to analyze the effects of wetland landscape types and landscape configuration on water quality. (1) Lakes and rivers in the wetland park had positive ecological effects and should be distributed in each functional zone. (2) Grassland ecology is fragile. Grasslands should be distributed in conservation areas and in restoration and reconstruction areas. (3) Woodland and cultivated land have both ecological and economic benefits. They can be used as ecological buffer and entertainment zones, which are respectively distributed in the restoration and reconstruction areas and in the reasonable utilization areas. (4) Built-up land is highly disturbed by humans. It should only occur in the rational utilization areas and far away from the conservation areas.
更新日期：2021-07-30
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