Skip to main content
. 2016 Sep 16;6:33555. doi: 10.1038/srep33555

Table 1. Spearman’s rank correlation coefficients between ciliate OTU diversity (richness and exp(H)) and environmental parameters.

Habitat Parameter Richness Exp(H)
r p r p
a) SRF + DCM Temperature (n = 77) 0.012 0.9142 0.128 0.2654
Salinity (n = 75) 0.122 0.2979 0.077 0.5091
Oxygen (n = 71) −0.100 0.4081 −0.173 0.1487
NO2 (n = 74) 0.168 0.1524 0.122 0.2996
NO3 (n = 74) −0.095 0.4223 −0.047 0.6882
PO43− (n = 74) −0.150 0.2028 −0.061 0.6081
Si(OH)4 (n = 74) −0.076 0.5172 −0.175 0.1366
Chl a (n = 78) 0.367 0.0009 0.202 0.0761
Latitude (SRF) (n = 47) −0.027 0.8561 −0.086 0.5658
Latitude (DCM)(n = 36) −0.027 0.8762 −0.099 0.5643
b) SRF pH (n = 23) −0.018 0.9358 −0.340 0.1124
Total alkalinity (n = 23) −0.340 0.1130 −0.264 0.2229
Total carbon (n = 23) −0.326 0.1294 −0.323 0.1327
CO2 (n = 23) −0.011 0.9607 −0.155 0.4780
pCO2 (n = 23) −0.071 0.7486 0.302 0.1606
HCO3 (n = 23) −0.182 0.4063 −0.376 0.0775
CO3 (n = 23) −0.245 0.2596 0.079 0.7194

Correlations (r) were calculated for SRF and DCM data together (a) and concerning oceanic carbonate data only for SRF data (b). Number of samples is listed behind each parameter. P-values < 0.05 are considered as significant.