| F value and significance | ||||||
| Hg | As | Pb | Cd | Zn | Cu | Cr |
Zalivé | 251.02*** | 8.98** | 46.41*** | 18.54*** | 0.65 NS | 2.27 NS | 21.99*** |
Zowla | 31.74*** | 7.83** | 11.54*** | 12.73*** | 0.42 NS | 4.21* | 19.82*** |