title: [Relationship between landscape pattern and river water quality in Wujingang region, Taihu Lake watershed].
abstract: Wujingang region was taken as the study area to explore the relationship between landscape pattern and river water quality. Remote sensing image was interpreted and buffer zones were constructed, and then landscape patterns characterized by land-use patterns and five selected landscape metrics including Number of patches (NP), Area-weighted mean patch fractal dimension (FRAC _AM), Shannon's diversity index (SHDI), Shannon' s evenness index (SHEI), Contagion index (CONTAG) in each buffer zone were obtained. By employing the correlation analysis between the landscape pattern and river water quality, the results indicated that the river water quality was influenced by landscape pattern. The percentage of built-up area was positively related with water quality indicators, demonstrating that the percentage of built-up area was one of the key factors affecting the river water quality, while the percentage of cultivated land showed a negative relationship. Furthermore, the relationships between the selected five landscape metrics and water quality were also revealed. SHDI and SHEI were significantly positively related with water quality indicators, while CONTAG showed the opposite relationship.
authors.affiliation: State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210093, China. njuzhangdawei@gmail.com
authors.forename: Da-wei
authors.initials: DW
authors.lastname: Zhang
authors.forename: Yang-fan
authors.initials: YF
authors.lastname: Li
authors.forename: Xiang
authors.initials: X
authors.lastname: Sun
authors.forename: Fang-shan
authors.initials: FS
authors.lastname: Zhang
authors.forename: Hong-xing
authors.initials: HX
authors.lastname: Zhu
authors.forename: Yi
authors.initials: Y
authors.lastname: Liu
authors.forename: Ying
authors.initials: Y
authors.lastname: Zhang
authors.forename: Min
authors.initials: M
authors.lastname: Zhuang
authors.forename: Xiao-dong
authors.initials: XD
authors.lastname: Zhu
mesh_terms: D002681:China; D018556:Crops, Agricultural / Q000254:growth & development*; D004784:Environmental Monitoring; D005160:Facility Design and Construction; D005618:Fresh Water / Q000032:analysis*; D007220:Industrial Waste; D045483:Rivers; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D007220:Industrial Waste; D014874:Water Pollutants, Chemical