Description Format Author(s) Source Examples
IBI metric cutoffs in Table 3 from Lyons et al. (2001).
A data frame with 20 observations on the following 4 variables.
A string that indicates whether the values pertain to the North
or South
ecoregions.
A string that idicates the metric name.
A numeric value that indicates the minimum value for being considered of “Fair” quality, except for metric="perc.DELT"
where it is the maximum value.
A numeric value that indicates the minimum value for being considered of “Good” quality, except for metric="perc.DELT"
where it is the maximum value.
Derek H. Ogle and Joseph T. Mrnak.
From Table 3 in Lyons, J., R.R. Piette, and K.W. Niermeyer. 2001. Development, validation, and application of a fish-based index of biotic integrity for Wisconsin's large warmwater rivers. Transactions of the American Fisheries Society 130:1077-1094.
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