TABLE 1.
Basic physicochemical characteristics of lagoon water at the indicated sampling time pointsa
| Sampling date and sample origin | Temp (°C) | Conductivity (mS cm−1) | Concn of NH4 (μg liter−1) | Concn of SRP (μg liter−1) | Concn of chlorophyll a (μg liter−1) |
|---|---|---|---|---|---|
| 8 March 2003 | |||||
| FW | 28.5 | 0.3 | 2.70 | BD | 9.8 |
| BW | 25.5 | 12.1 | 2.70 | BD | 16.8 |
| 05 August 2003 | |||||
| FW | 14.9 | 0.3 | 13.4 | 18.9 | ND |
| BW | 14.1 | 15.6 | 23.2 | 4.5 | ND |
| 09 October 2003 | |||||
| FW | 16.2 | 0.2 | 92.0 | 29.8 | 3.9 |
| BW | 17.4 | 10.3 | 24.0 | 25.9 | 13.2 |
| 03 December 2003 | |||||
| FW | 24.1 | 1.4 | 19.7 | 33.1 | 5.0 |
| BW | 22.6 | 17.0 | 84.0 | 15.2 | 12.0 |
| 04 February 2004 | |||||
| FW | 25.5 | 5.8 | 10.2 | 22.4 | 12.0 |
| BW | 25.6 | 20.3 | 32.8 | 27.7 | 9.3 |
| 20 April 2004 | |||||
| FW | 17.3 | 7.8 | 24.7 | 29.6 | 6.2 |
| BW | 17.4 | 19.0 | 21.3 | 18.1 | 4.4 |
a
FW, freshwater; BW, brackish water; BD, below detection limit; ND, not determined.