Table 1 Strength of correlation between different variables and algal density
Months | Average rainfall (mm) | Nitrate (mg/L) | Orthophosphate (mg/L) | Algae count (cells/mL) |
|---|---|---|---|---|
February | 187.5 | 0.5 | 0.04 | 7195 |
March | 405.0 | 0.5 | 0.05 | 6313 |
April | 301.8 | 0.5 | 0.06 | 6198 |
May | 200.3 | 0.4 | 0.09 | 6013 |
June | 106.9 | 0.4 | 0.12 | 3240 |
July | 309.5 | 0.1 | 0.10 | 3501 |
August | 195.2 | 0.1 | 0.05 | 3397 |
September | 130.6 | 0.3 | 0.07 | 3504 |
October | 85.6 | 0.1 | 0.02 | 1139 |
November | 176.7 | 0.1 | 0.14 | 1186 |
December | 520.4 | 0.1 | 0.13 | 6265 |
January | 689.8 | 0.1 | 0.20 | 7260 |
Correlation coefficient (R) with algal count | 0.6522 | 0.4875 | 0.1627 | – |