Table 2.
Environmental factor and time period or other parameter | Statistical correlationa of maximum MPN for source |
|||||
---|---|---|---|---|---|---|
Total |
Oyster |
Water |
||||
Pearson correlation | Stepwise regression | Pearson correlation | Stepwise regression | Pearson correlation | Stepwise regression | |
Temp | ||||||
12 h | 0.355* | NC | 0.230 | NC | 0.271 | NC |
72 h | 0.389* | NC | 0.270 | NC | 0.266 | NC |
Salinity | ||||||
12 h | −0.369* | NC | −0.355* | NC | −0.236 | NC |
72 h | −0.461* | 0.1768 | −0.375* | 0.378 | −0.367 | 0.450 |
Rain | ||||||
72 h | 0.472** | 0.049* | 0.112 | 0.4753 | 0.623** | <0.001** |
96 h | 0.566** | 0.006* | 0.555** | 0.001** | 0.228 | 0.976 |
Dissolved O2 | ||||||
Percent | −0.333* | NC | −0.261 | NC | −0.223 | NC |
Concn (mg/liter) | −0.355* | NC | −0.247 | NC | −0.255 | NC |
Turbidity | 0.112 | NC | 0.134 | NC | 0.112 | NC |
The r statistic is given for Pearson correlations. For stepwise regression analyses, the P statistic is given, unless the environmental condition was excluded from the stepwise model, in which case no correlation (NC) is reported.
, P < 0.05;
, P < 0.001.