Table 1 Definition of ecotoxicological status classes according to Duft and Oehlmann [6]
Status class | Characteristics | |
|---|---|---|
1 | High | Effects/values are as low as expected in the absence of disturbing influences or anthropogenic changes |
2 | Good | Effects/values show minor anthropogenic changes, but deviate only slightly from the values that normally occur in the absence of disturbing influences |
3 | Moderate | Effects/values indicate moderate anthropogenically induced changes and significant disorders |
4 | Poor | Effects/values are high and suggest stronger changes in biocenoses |
5 | Bad | Effects/values are very high and are expected to lead to significant changes in biocenoses |