TABLE 1.
Station locations and conditions for sample collection in August 2012
| Parameter | Value for indicated stationb |
||
|---|---|---|---|
| 973 | 882 | 1163 | |
| Latitude (N) | 41°47′30″ | 41°46′00″ | 41°28′10″ |
| Longitude (W) | 83°19′58″ | 83°18′30″ | 82°43′00″ |
| Mo/day, time of sample collectiona | 08/15, 14:45 | 08/15, 11:25 | 08/14, 19:10 |
| Surface temp (°C) | 23.7 | 23.4 | 22.8 |
| pH | 8.51 | 8.32 | 8.06 |
| Microcystin concn (μg/liter) | 0.37 | 0.11 | 0.61 |
| Anatoxin-a concn (μg/liter) | None detected | None detected | 0.77 |
| Cylindrospermopsin concn (μg/liter) | None detected | None detected | None detected |
| Mean chlorophyll a concn (μg/liter) ± SD | 25.4 ± 0.3 | 16.1 ± 0.1 | 15.6 ± 0.3 |
| Cyanobacterial counts (no. of cells/ml) | |||
| Microcystis spp. | 25,152 | 12,310 | 4,027 |
| Planktothrix spp. | ND | 6,839 | 267,626 |
| Anabaena-Dolichospermum spp. | 63,829 | 15,632 | 8,359 |
| Cylindrospermopsis-Raphidiopsis spp. | ND | ND | 15,121 |
a
Times are given as Eastern Standard Time.
b
ND, not detected.