Development of a Standardized Index of Biotic Integrity for the Piedmont Region of Georgia
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The Index of Biotic Integrity (IBI) is a multimetric index developed to assess the quality of a stream based on the structure of its fish community. The IBI consists of 12 measures, or metrics, that evaluate the species richness, health, abundance, and trophic dynamics of the fish community at a sample site. The Fisheries Section of the Georgia Department of Natural Resources is currently in the process of developing a standardized IBI for wadeable streams in the piedmont region of Georgia. The metrics were adapted to the fish communities found in streams in the piedmont region while maintaining the basic ecological framework of the original IBI.