Research Article
Seasonal Variation in Antimicrobial Activity of Crude Extracts of Psammaplysilla sp. 1 from Phillips Reef, South Africa
Table 1
Physicochemical parameters of Phillips Reef in Algoa Bay.
| | Physicochemical parameters | | Season | Mean/CV | pH | O2 (mg L−1) | Temp (oC) | Sal (psu) | EC (mS cm−1) | TB (NTU) |
| | Winter | Mean | 8.18 | 7.72 | 16 | 35.47 | 44.4 | 1.62 | | CV | 0 | 0 | 0 | 0 | 0 | 0.0152 |
| | Spring | Mean | 8.01 | 5.52 | 15.45 | 35.12 | 43.5 | 3.04 | | CV | 0 | 0.0018 | 0.0003 | 0 | 0 | 0.0502 |
| | Summer | Mean | 8.32 | 5.97 | 17.86 | 35.12 | 45.9 | 2.05 | | CV | 0.05 | | 0.0005 | 0.0004 | 0.0002 | 0 |
| | Autumn | Mean | 8.78 | 6.85 | 20 | 35.22 | 48.2 | 1.05 | | CV | 0.0006 | 0.0029 | 0 | 0 | 0 | 0 |
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M = mean; CV = coefficient of variability; O2 = oxygen; Sal = salinity; EC = electroconductivity; Temp = temperature; TB = turbidity.
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