From: The effect of phosphorus removal from sewage on the plankton community in a hypertrophic reservoir
Year | Month | Standing crop (ind. L−1) | Dominant species | |||
---|---|---|---|---|---|---|
Cladocera | Copepoda | Rotifera | Total | |||
2003 | Sep. | 57 | 19 | 13 | 89 | Bosmina longirostris |
Nov. | 2 | 18 | 21 | 41 | Cyclops vicinus | |
Dec. | 21 | 14 | 122 | 157 | Asplanchna priodonta | |
2004 | Mar. | 1 | 13 | 85 | 98 | Cyclops vicinus |
Apr. | 44 | 29 | 2731 | 2804 | Cyclops vicinus | |
May | 0 | 1 | 10 | 11 | Nauplius | |
Jun. | 48 | 298 | 1805 | 2151 | Thermocyclops taihokuensis | |
Jul. | 254 | 368 | 1555 | 2177 | Thermocyclops taihokuensis | |
Aug. | 243 | 271 | 989 | 1504 | Nauplius | |
Advanced treatment start | ||||||
2007 | Nov. | 5 | 18 | 20 | 43 | Bosmina longirostris |
Dec. | 12 | 58 | 12 | 88 | Cyclops vicinus | |
2008 | Apr. | 1242 | 1089 | 1531 | 3862 | Daphnia galeata |
May | 550 | 342 | 626 | 1518 | Cyclops vicinus | |
Jun. | 49 | 162 | 54 | 266 | Daphnia galeata | |
Jul. | 77 | 212 | 1384 | 1674 | Copepodite | |
Aug. | 22 | 235 | 1561 | 1818 | Brachionus forficula | |
Sep. | 97 | 306 | 2704 | 3105 | Keratella cochlearis | |
Oct. | 510 | 1729 | 1758 | 3997 | Daphnia galeata | |
Dec. | 217 | 466 | 3616 | 4299 | Cyclops vicinus | |
2009 | Mar. | 21 | 120 | 154 | 295 | Cyclops vicinus |
May | 0 | 0 | 2275 | 2275 | Daphnia galeata | |
Sep. | 9 | 82 | 493 | 574 | Cyclops vicinus |