Table 1.
Basic information of Aha Lake sampling sites.
Fig 1.
Sampling points and location of Aha Lake.
Note: Based on the standard map production of the National Natural Geographic Information Public Service Platform Tiantu website (GS (2024)0650), the base map boundaries have not been modified. (https://cloudcenter.tianditu.gov.cn/administrativeDivision=GS(2024)0650).
Table 2.
Water Quality Index Evaluation Standards.
Table 3.
Trophic Level Classification Standards for Lakes.
Table 4.
The correlation between Chl.a and the other parameters of lake in China.
Fig 2.
Water indicators summarized at all sampling sites of Aha Lake in different seasons.
Fig 3.
Vertical distribution of water indicators at various sampling points in Lake Aha.
Table 5.
The results of TLI in different seasons.
Table 6.
Variance analysis table of TLI in different seasons.
Fig 4.
TLI index of different seasons at various sampling points in Lake Aha in 2023.
Table 7.
The results of TLI in different layers.
Table 8.
Variance analysis table of TLI in different layers.
Table 9.
Variance analysis table of TLI in different sampling points.
Fig 5.
Spatial variation of TLI index at each sampling point in Lake Aha in 2023.
Table 10.
The results of WQI in different seasons.
Table 11.
Variance analysis table of WQI in different seasons.
Fig 6.
WQI index of different seasons at various sampling points in Lake Aha in 2023.
Table 12.
The results of WQI in different layers.
Table 13.
Variance analysis table of WQI in different layers.
Table 14.
Variance analysis table of WQI in different sampling points.
Fig 7.
Spatial variation of WQI index at each sampling point in Lake Aha in 2023.
Fig 8.
Mantel test of TLI, WQI and water parameters.