waterQuality {ecostats}

Water Quality data

Description

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.

Usage

data(waterQuality)

Format

A dataframe containing:

catchment

The catchment area in square kilometres

quality

Index of Biotic Integrity (IBI)

logCatchment

log base 10 of catchment area

References

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.

Examples

data(waterQuality)
plot(quality~logCatchment, data=waterQuality)