Table 1 Pearson correlation of environmental parameters with the PCA scores.

Significant correlations are noted by the level of significance (P value); “—” denotes absence of any detectable correlation (P > 0.05).

PC1 (25%)PC2 (17%)
CO2
DOC
NO2/NO33.07 × 10−92.39 × 10−4
PO43−2.09 × 10−96.54 × 10−5
SiO44−1.71 × 10−93.38 × 10−5
NH4+3.49 × 10−2
Chlorophyll α6.25 × 10−3