Research Article
Occurrence of Toxic Cyanobacterial Blooms in Rio de la Plata Estuary, Argentina: Field Study and Data Analysis
Table 1
Table records of the biological, physical and chemical parameters for the three selected sampling points 1, 2, and 3.
| Sample point 1 |
| Data sampling | Microcystis aeruginosa Cel·mL−1 | Total cyanobacterial Cel·mL−1 | T (°C) | pH | Conductivity μS-cm−1 | Total coliforms MNP·100 mL−1 | Fecal coliforms MP·100 mL−1 | Iron mg·L−1 | Total phosphorus mg·L−1 | Chlorophyll-a mg·L−1 | Nitrates mg·L−1 | Nitrites mg·L−1 | Microcystin-LR μg·L−1 |
| 12/03/2004 | 13200 | 16600 | 29.0 | 7.9 | 290 | 4500 | 4600 | 0.60 | 0.89 | 56 | 3.0 | 0.04 | 1.10 | 01/12/2005 | 7560 | 20040 | 23.5 | 7.9 | 295 | 4600 | 2400 | 0.50 | 0.80 | 108 | 3.3 | 0.06 | 4.21 | 02/03/2005 | 30000 | 31800 | 29.5 | 8.4 | 320 | 2400 | 2400 | 0.37 | 0.37 | 45 | 4.6 | 0.07 | 7.12 | 02/22/2005 | 32100 | 52800 | 24.0 | 8.3 | 304 | 2400 | 2400 | 0.34 | 0.40 | 55 | 5.3 | 0.08 | 2.52 | 03/11/2005 | 51000 | 51300 | 21.0 | 8.4 | 339 | 2400 | 2400 | 0.33 | 0.49 | 34 | 7.5 | 0.20 | 1.30 | 04/01/2005 | 48900 | 49800 | 20.0 | 9.6 | 273 | 1500 | 1500 | 0.40 | 0.50 | 23 | 7.0 | 0.25 | 1,10 | 04/19/2005 | 25000 | 40500 | 21.0 | 8.6 | 349 | 1500 | 1500 | 0.55 | 0.44 | 22 | 4.0 | 0.06 | <0.1 | 06/02/2005 | 14850 | 17850 | 15.0 | 7.4 | 409 | 2100 | 2100 | 0.36 | 0.35 | 22 | 6.6 | 0.15 | <0.1 | 08/01/2005 | 0 | 2700 | 12.0 | 8.1 | 353 | 1500 | 1500 | 0.30 | 0.20 | 15 | 5.6 | 0.06 | <0.1 | 08/29/2005 | 0 | 4200 | 17.0 | 7.6 | 400 | 2100 | 2100 | 0.20 | 0.40 | 12 | 4.5 | 0.04 | <0.1 | 10/20/2005 | 950 | 16600 | 22.0 | 7.4 | 314 | 2100 | 2100 | 0.46 | 0.51 | 23 | 4.6 | 0.05 | <0.1 | 11/15/2005 | 4300 | 29300 | 21.0 | 7.7 | 299 | 1500 | 1500 | 0.46 | 0.45 | 33 | 12.0 | 0.06 | 2.22 | 12/01/2005 | 1500 | 27300 | 23.0 | 7.5 | 309 | 2300 | 1500 | 0.34 | 0.33 | 45 | 15.0 | 0.06 | 4.52 | 12/20/2005 | 10425 | 23400 | 30.0 | 7.8 | 310 | 2800 | 2300 | 0.27 | 0.43 | 56 | 3.6 | 0.06 | 7.81 | 01/09/2006 | 17100 | 23250 | 30.0 | 7.7 | 322 | 2800 | 2800 | 1.13 | 0.47 | 29 | 4.0 | 0.05 | 10.50 | 01/17/2006 | 14700 | 17700 | 29.0 | 7.8 | 310 | 2800 | 2300 | 0.20 | 0.83 | 55 | 3.6 | 0.06 | 7.73 |
| Sample point 2 |
| Data sampling | Microcystis aeruginosa Cel·mL−1 | Total cyanobacterial Cel·mL−1 | T (°C) | pH | Conductivity μS-cm−1 | Total coliforms MNP·100mL−1 | Fecal coliforms NNP·100mL−1 | Iron mg·L−1 | Total phosphorus mg·L−1 | Chlorophyll-a mg·L−1 | Nitrates mg·L−1 | Nitrites mg·L−1 | Microcystin-LR μg·L−1 |
| 12/03/2004 | 101500 | 131180 | 23.0 | 8.2 | 379 | 4500 | 4500 | 0.48 | 0.33 | 55 | 3.8 | 0.06 | 3.30 | 01/12/2005 | 109897 | 148500 | 25.0 | 8.1 | 370 | 2800 | 2400 | 0.42 | 0.48 | 62 | 4.3 | 0.05 | 7.71 | 02/03/2005 | 458400 | 458400 | 24.0 | 7.3 | 389 | 2400 | 2400 | 0.20 | 0.43 | 66 | 4.6 | 0.02 | 0.56 | 02/22/2005 | 34200 | 34299 | 21.0 | 8.9 | 290 | 2400 | 2400 | 0.29 | 0.47 | 44 | 4.4 | 0.04 | 2.47 | 03/11/2005 | 66300 | 68100 | 20.0 | 8.3 | 379 | 2400 | 2400 | 0.30 | 0.38 | 55 | 6.0 | 0.07 | 1.46 | 04/01/2005 | 49200 | 49200 | 22.0 | 7.7 | 356 | 1500 | 1500 | 0.26 | 0.46 | 33 | 5.7 | 0.04 | 1.36 | 04/19/2005 | 20100 | 20100 | 16.5 | 7.6 | 352 | 1500 | 1500 | 0.43 | 0.25 | 30 | 2.8 | 0.02 | <0.1 | 06/02/2005 | 150 | 150 | 14.0 | 7.6 | 379 | 2100 | 2100 | 0.79 | 0.45 | 29 | 6.2 | 0.04 | <0.1 | 08/01/2005 | 750 | 750 | 11.0 | 8.0 | 350 | 2100 | 1500 | 0.35 | 0.24 | 28 | 6.1 | 0.04 | <0.1 | 08/29/2005 | 500 | 500 | 20.5 | 8.5 | 345 | 2100 | 2100 | 0.42 | 0.11 | 22 | 6.2 | 0.06 | <0.1 | 10/20/2005 | 6450 | 6450 | 17.0 | 7.8 | 350 | 2100 | 2100 | 0.21 | 1.00 | 21 | 11.0 | 0.04 | <0.1 | 11/15/2005 | 7020 | 15360 | 28.0 | 8.5 | 273 | 1500 | 1500 | 0.48 | 1.24 | 58 | 4.5 | 0.03 | 2.20 | 12/01/2005 | 2580 | 17160 | 23.0 | 7.9 | 309 | 2300 | 1500 | 0.34 | 0.48 | 82 | 6.5 | 0.07 | 8.62 | 12/20/2005 | 6600 | 21000 | 30.0 | 7.8 | 285 | 2300 | 2300 | 0.44 | 0.45 | 32 | 2.3 | 0.06 | 8.12 | 01/09/2006 | 9600 | 14400 | 30.0 | 8.2 | 353 | 2300 | 2800 | 0.24 | 0.40 | 40 | 4.3 | 0.05 | 1.05 | 01/17/2006 | 16500 | 17700 | 29.5 | 8.2 | 350 | 2300 | 2300 | 0.34 | 0.25 | 44 | 4.4 | 0.06 | 3.25 |
| Sample point 3 |
| Data sampling | Microcystis aeruginosa Cel·mL−1 | Total cyanobacterial Cel·mL−1 | T (°C) | pH | Conductivity μS-cm−1 | Total coliforms MNP·100 mL−1 | Fecal coliforms NMP·100 mL−1 | Iron mg·L−1 | Total phosphorus mg·L−1 | Chlorophyll-a mg·L−1 | Nitrates mg·L−1 | Nitrites mg·L−1 | Microcystin-LR μg·L−1 |
| 12/03/2004 | 56400 | 59800 | 23.0 | 7.6 | 310 | 2400 | 2400 | 0.49 | 0.31 | 34 | 5.6 | 0.04 | 4.43 | 01/12/2005 | 45800 | 67400 | 27.4 | 8.3 | 413 | 2100 | 2100 | 0.43 | 0.41 | 43 | 4.3 | 0.02 | 6.42 | 02/03/2005 | 34500 | 35100 | 27.4 | 8.3 | 413 | 2100 | 2100 | 0.43 | 0.41 | 53 | 4.3 | 0.01 | 5.52 | 02/22/2005 | 20850 | 30750 | 24.5 | 8.5 | 275 | 2100 | 2100 | 0.11 | 0.41 | 42 | 6.6 | 0.19 | 3.50 | 03/11/2005 | 31200 | 37350 | 21.5 | 10.2 | 435 | 1500 | 1500 | 0.26 | 0.35 | 52 | 7.4 | 0.03 | 2.05 | 04/01/2005 | 40500 | 40800 | 21.5 | 8.8 | 337 | 1500 | 1500 | 0.01 | 0.37 | 45 | 2.1 | 0.01 | 1.71 | 04/19/2005 | 5640 | 6840 | 18.0 | 8.5 | 356 | 1500 | 1500 | 0.03 | 0.45 | 23 | 3.3 | 0.06 | <0.1 | 06/02/2005 | 0 | 1800 | 15.0 | 7.7 | 436 | 2100 | 1500 | 0.80 | 0.50 | 26 | 3.5 | 0.05 | <0.1 | 08/01/2005 | 2050 | 2300 | 14.0 | 8.5 | 420 | 2300 | 2800 | 0.35 | 0.58 | 26 | 8.9 | 0.01 | <0.1 | 08/29/2005 | 1550 | 2300 | 11.0 | 8.4 | 309 | 1500 | 2000 | 0.53 | 0.42 | 23 | 2.2 | 0.02 | <0.1 | 10/20/2005 | 165000 | 175200 | 18.5 | 7.3 | 507 | 1500 | 1500 | 0.15 | 0.05 | 20 | 1.3 | 0.07 | <0.1 | 11/15/2005 | 27000 | 31500 | 23.0 | 7.7 | 407 | 2800 | 2800 | 0.63 | 0.07 | 56 | 1.4 | 0.07 | 3.51 | 12/01/2005 | 29100 | 107700 | 26.0 | 8.1 | 306 | 2100 | 2300 | 0.61 | 0.37 | 45 | 1.9 | 0.06 | 7.80 | 12/20/2005 | 33300 | 176100 | 23.0 | 7.4 | 445 | 2100 | 2100 | 0.32 | 0.40 | 54 | 7.2 | 0.09 | 8.11 | 01/09/2006 | 28800 | 30000 | 25.0 | 7.8 | 435 | 2800 | 2100 | 0.43 | 0.45 | 44 | 6.8 | 0.06 | 5.33 | 01/17/2006 | 44100 | 56400 | 27.0 | 7.8 | 452 | 2800 | 2100 | 0.44 | 0.77 | 34 | 5.9 | 0.07 | 4.50 |
|
|