Time of reduction of 90% of population in ungrazed field in Summer
| Value | 3.3 Days |
|---|---|
| Organism | Bacteria Escherichia coli |
| Reference | Van Donsel DJ, Geldreich EE, Clarke NA. Seasonal Variations in Survival of Indicator Bacteria in Soil and Their Contribution to Storm-water Pollution. Appl Microbiol. 1967 Nov15(6):1365-6, Fig. 1,2PubMed ID16349746 |
| Method | A strain of E. coli type I capable of producing H2S at 44.5 C was employed as the fecal coliform tracer. |
| Comments | Shaded and unshaded conditions: organisms at the protected hillside site survived approximately twice as long as at the exposed lawn site. |
| Entered by | Uri M |
| ID | 102104 |