From: The effect of phosphorus removal from sewage on the plankton community in a hypertrophic reservoir
BOD | COD | SS | TN | TP | Chl.a | BOD/COD | N/P (atomic) | Chl.a/TP | Number | |
---|---|---|---|---|---|---|---|---|---|---|
Inflow St.1 (2008–2009) | 4.6 (3.1–5.0) | 6.4 (5.9–6.4) | 45.7 (32.0–71.5) | 3.73 (3.71–4.89) | 0.190 (0.124–0.244) | 0.16 (0.09–0.23) | 51 (38–54) | 10 | ||
Inflow St.2 (2008–2009) | 2.7 (1.3–5.0) | 6.4 (5.0–8.1) | 11.9 (5.7–44.1) | 3.76 (3.30–4.37) | 0.131 (0.113–0.222) | 0.42 (0.23–0.79) | 48 (38–68) | 10 | ||
STP effluent (2003–2007) | 10.4 (8.3–12.7) | 14.9 (12.3–17.7) | 12.5 (7.1–23.3) | 7.9 (5.9–13.6) | 0.633 (0.270–1.299) | 0.65 (0.50–0.77) | 28 (21–44) | 24 | ||
STP effluent (2008–2009) | 1.6 (1.0–2.2) | 6.8 (6.0–7.8) | 1.9 (1.4–3.6) | 10.6 (8.9–12.5) | 0.310 (0.185–0.355) | 0.25 (0.15–0.32) | 78 (61–88) | 29 | ||
Lake surface (May 1999–Jun. 2007) | 11.4 (8.7–13.7) | 15.8 (13.2–18.4) | 20.4 (16.0–30.7) | 4.75 (3.47–5.87) | 0.232 (0.181–0.284) | 112.4 (53.9–163.7) | 0.70 (0.51–0.87) | 42 (27–70) | 0.54 (0.22–0.84) | 42 |
Lake surface (Aug. 2007–Nov. 2009) | 5.2 (4.1–7.1) | 10.2 (8.7–11.3) | 19.1 (13.9–30.8) | 3.56 (2.31–4.93) | 0.081 (0.054–0.137) | 42.2 (24.9–110.8) | 0.59 (0.47–0.69) | 102 (68–154) | 0.61 (0.28–1.15) | 20 |