waterQuality | R Documentation |
Data from a study of the association between water quality and catchment area. Fish composition were used to construct an index of biotic integrity (IBI) and relate it to catchment are in the Seine river basin in France.
data(waterQuality)
A dataframe containing:
The catchment area in square kilometres
Index of Biotic Integrity (IBI)
log base 10 of catchment area
Oberdorff, T. & Hughes, R. M. (1992). Modification of an index of biotic integrity based on fish assemblages to characterize rivers of the Seine Basin, France". Hydrobiologia, 228, 117-130.
data(waterQuality)
plot(quality~logCatchment, data=waterQuality)
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