Table 3.
Correlations of enterococci and EPS with sand characteristics
| Parameter | Pearson's R correlation (P value)c |
|||||||
|---|---|---|---|---|---|---|---|---|
| Enterococci |
EPS |
|||||||
| Supraa | Intera | Suba | Combinedb | Supraa | Intera | Suba | Combinedb | |
| Sand moisture | 0.20 (0.34) | 0.40 (0.05)* | −0.22 (0.06)* | 0.20 (0.34) | 0.08 (0.70) | 0.183 (0.37) | 0.20 (0.34) | −0.09 (0.43) |
| Calcium carbonate | 0.07 (0.75) | −0.05 (0.81) | −0.40 (0.05)* | −0.13 (0.30) | −0.28 (0.16) | −0.44 (0.03)* | −0.54 (0.004)* | −0.40 (<0.001)* |
| Grain size | −0.19 (0.34) | −0.14 (0.50) | −0.11 (0.61) | −0.13 (0.26) | 0.08 (0.70) | 0.183 (0.37) | 0.20 (0.34) | −0.09 (0.43) |
| Humans | 0.23 (0.52) | −0.15 (0.68) | −0.15 (0.47) | −0.24 (0.20) | 0.05 (0.90) | −0.19 (0.61) | 0.16 (0.70) | −0.08 (0.70) |
| Dogs | −0.14 (0.70) | −0.60 (0.87) | 0.23 (0.25) | −0.12 (0.55) | −0.30 (0.40) | −0.23 (0.52) | 0.08 (0.72) | −0.18 (0.32) |
| Birds | −0.02 (0.96) | 0.35 (0.32) | 0.43 (0.03)* | 0.30 (0.13) | 0.16 (0.66) | 0.08 (0.82) | −0.02 (0.93) | −0.09 (0.63) |
| Rainfall | −0.36 (0.31) | 0.06 (0.77) | 0.48 (0.16) | 0.28 (0.13) | −0.54 (0.11) | 0.22 (0.27) | 0.13 (0.72) | 0.07 (0.73) |
a
Data from the 10-day study, September multiple-beach study, and February multiple-beach study combined for each corresponding tidal zone.
b
Data combined from all tidal zones and all studies.
c *
indicates a significant correlation. Supra, supratidal; inter, intertidal; sub, subtidal.