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.