Table 6 Spearman correlation coefficients relating salinity and macroinvertebrate community parameters, (n = 20).
From: Response of biotic communities to salinity changes in a Mediterranean hypersaline stream
Community parameter & salinity | R | p-level |
|---|---|---|
number of taxa | -0.762 | 0.000 |
number of families | -0.649 | 0.002 |
number of diptera species | -0.636 | 0.002 |
number of coleoptera species | -0.569 | 0.009 |
log (abundance +1) | -0.039 | 0.871 |
Margalef's index | -0.729 | 0.000 |
evenness | -0.333 | 0.150 |
Shannon's diversity index | -0.527 | 0.017 |
Simpson's diversity index | -0.442 | 0.051 |