Fig 1.
Geographical location and distribution of sampling sites of the Honghe River Watershed.
Table 1.
The GPS coordinates of the sampling sites.
Table 2.
Standard of single factor pollution index.
Table 3.
Standard of comprehensive pollution index classification.
Table 4.
Statistics for the 6 Water Quality Parameters Derived from 67 Samples and Water Quality Assessed by Single Factor Pollution Index Method in the Honghe River Watershed.
Fig 2.
The proportional graph of water quality levels in the Honghe River Watershed.
Table 5.
Results of the evaluation criterions of spatial interpolation method for single factor pollution index and comprehensive pollution indices.
Fig 3.
The spatial pattern of the polluted and risky vulnerable zones across the Honghe River Watershed based on pollution index.
Table 6.
GIS extracted coverage percentage of the study area for NH3-N, NO2-N, TN, TP and DO.
Fig 4.
The spatial pattern of the major social-economic statistical indicators at county level of the Honghe River Watershed in 2011.