Fig. 2
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PCA diagram of sampling sites (circle) and environmental parameters (arrow) relationships. Water temperature (Temp), electrical conductivity (EC), suspended solids (SS), ammonium (NH4+), nitrite (NO2), nitrate (NO3), total nitrogen (TN), sulfate (SO4), total phosphorus (TP), dissolved oxygen (DO), biological oxygen demand (BOD5), chemical oxygen demand (COD), total organic carbon (TOC), and potential hydrogen (pH). The full names and abbreviation codes of the lakes are given in Table 1.
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