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IBI. What is it?. Karr (1981) developed an Index of Biotic Integrity (IBI) to evaluate biological conditions of rivers and streams – primarily in the mid-west. What is biological integrity?.

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Presentation Transcript

What is it
What is it?

  • Karr (1981) developed an Index of Biotic Integrity (IBI) to evaluate biological conditions of rivers and streams – primarily in the mid-west.


What is biological integrity
What is biological integrity?

  • The ability to support and to maintain a balanced, integrated, adaptive community of organisms having a species composition, diversity, and functional organization comparable to that of the natural habitat of the region (Karr and Dudley 1981).


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