Indikatorwert Unterschiedlicher Biotischer Diversität im Verdichtungsraum von Saarbrücken

Changes in the number of species and individuals of biocoenoses as well as the reaction norm of biological indicators enable conclusions to be drawn concerning the ‘load’ of a habitat. Numbers of species and individual quantities can be linked with the diversity using the following relation derived from information theory: Hs = — Σ pi ln pi (Shanon-Wiener function)