Evaluation Methods
In order to quantify and evaluate the biological integrity of a system, the Index of Biological Integrity (IBI) was created. In this index the baseline biological integrity (its function before human influence) and the current functions of an ecosystem are measured against one another to evaluate how much of ecosystem’s function has been preserved. The IBI evaluates the ecosystem by utilizing biosurveys and comparing species richness, indicator taxa, hybrids, and invasive species. IBIs are used primarily to evaulate aquatic ecosystems even though one could technically apply any measurement of biological integrity to any natural ecosystem.
Read more about this topic: Biological Integrity
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