This calculator works with Leaf Pack Network data collected PRIOR TO CHANGES MADE IN 2020. For data from 2020 and later, use this calculator instead.
Welcome to the Leaf Pack Network, an international network of people investigating their local stream ecosystems. Leaf Pack Network is part of WikiWatershed, an initiative of Stroud Water Research Center to help people advance knowledge and stewardship of fresh water.
Biotic Index Calculator (OLD)
