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 samplingMicrocystis aeruginosa Cel·mL−1Total cyanobacterial Cel·mL−1T (°C)pHConductivity μS-cm−1Total coliforms MNP·100 mL−1Fecal coliforms MP·100 mL−1Iron mg·L−1Total phosphorus mg·L−1Chlorophyll-a mg·L−1Nitrates mg·L−1Nitrites mg·L−1Microcystin-LR μg·L−1

12/03/2004132001660029.07.9290450046000.600.89563.00.041.10
01/12/200575602004023.57.9295460024000.500.801083.30.064.21
02/03/2005300003180029.58.4320240024000.370.37454.60.077.12
02/22/2005321005280024.08.3304240024000.340.40555.30.082.52
03/11/2005510005130021.08.4339240024000.330.49347.50.201.30
04/01/2005489004980020.09.6273150015000.400.50237.00.251,10
04/19/2005250004050021.08.6349150015000.550.44224.00.06<0.1
06/02/2005148501785015.07.4409210021000.360.35226.60.15<0.1
08/01/20050270012.08.1353150015000.300.20155.60.06<0.1
08/29/20050420017.07.6400210021000.200.40124.50.04<0.1
10/20/20059501660022.07.4314210021000.460.51234.60.05<0.1
11/15/200543002930021.07.7299150015000.460.453312.00.062.22
12/01/200515002730023.07.5309230015000.340.334515.00.064.52
12/20/2005104252340030.07.8310280023000.270.43563.60.067.81
01/09/2006171002325030.07.7322280028001.130.47294.00.0510.50
01/17/2006147001770029.07.8310280023000.200.83553.60.067.73

Sample point 2

Data samplingMicrocystis aeruginosa Cel·mL−1Total cyanobacterial Cel·mL−1T (°C)pHConductivity μS-cm−1Total coliforms MNP·100mL−1Fecal coliforms NNP·100mL−1Iron mg·L−1Total phosphorus mg·L−1Chlorophyll-a mg·L−1Nitrates mg·L−1Nitrites mg·L−1Microcystin-LR μg·L−1

12/03/200410150013118023.08.2379450045000.480.33553.80.063.30
01/12/200510989714850025.08.1370280024000.420.48624.30.057.71
02/03/200545840045840024.07.3389240024000.200.43664.60.020.56
02/22/2005342003429921.08.9290240024000.290.47444.40.042.47
03/11/2005663006810020.08.3379240024000.300.38556.00.071.46
04/01/2005492004920022.07.7356150015000.260.46335.70.041.36
04/19/2005201002010016.57.6352150015000.430.25302.80.02<0.1
06/02/200515015014.07.6379210021000.790.45296.20.04<0.1
08/01/200575075011.08.0350210015000.350.24286.10.04<0.1
08/29/200550050020.58.5345210021000.420.11226.20.06<0.1
10/20/20056450645017.07.8350210021000.211.002111.00.04<0.1
11/15/200570201536028.08.5273150015000.481.24584.50.032.20
12/01/200525801716023.07.9309230015000.340.48826.50.078.62
12/20/200566002100030.07.8285230023000.440.45322.30.068.12
01/09/200696001440030.08.2353230028000.240.40404.30.051.05
01/17/2006165001770029.58.2350230023000.340.25444.40.063.25

Sample point 3

Data samplingMicrocystis aeruginosa Cel·mL−1Total cyanobacterial Cel·mL−1T (°C)pHConductivity μS-cm−1Total coliforms MNP·100 mL−1Fecal coliforms NMP·100 mL−1Iron mg·L−1Total phosphorus mg·L−1Chlorophyll-a mg·L−1Nitrates mg·L−1Nitrites mg·L−1Microcystin-LR μg·L−1

12/03/2004564005980023.07.6310240024000.490.31345.60.044.43
01/12/2005458006740027.48.3413210021000.430.41434.30.026.42
02/03/2005345003510027.48.3413210021000.430.41534.30.015.52
02/22/2005208503075024.58.5275210021000.110.41426.60.193.50
03/11/2005312003735021.510.2435150015000.260.35527.40.032.05
04/01/2005405004080021.58.8337150015000.010.37452.10.011.71
04/19/20055640684018.08.5356150015000.030.45233.30.06<0.1
06/02/20050180015.07.7436210015000.800.50263.50.05<0.1
08/01/20052050230014.08.5420230028000.350.58268.90.01<0.1
08/29/20051550230011.08.4309150020000.530.42232.20.02<0.1
10/20/200516500017520018.57.3507150015000.150.05201.30.07<0.1
11/15/2005270003150023.07.7407280028000.630.07561.40.073.51
12/01/20052910010770026.08.1306210023000.610.37451.90.067.80
12/20/20053330017610023.07.4445210021000.320.40547.20.098.11
01/09/2006288003000025.07.8435280021000.430.45446.80.065.33
01/17/2006441005640027.07.8452280021000.440.77345.90.074.50