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. 2022 May 26;17(5):e0267133. doi: 10.1371/journal.pone.0267133

Table 2. Results of multiple linear regression models for predicting the Chl a biomass of photoautotrophic picoplankton (PPP-Chl a), picoeukaryote Chl a (Peuk-Chl a) and picocyanobacteria Chl a (Pcy-Chl a) in Lake Võrtsjärv.

Variable Coefficients Model
Estimate T P Adjusted R2 P
PPP-Chl a
Intercept -2.12 3 0.79 <0.01
PO4-P -34.02 -2.934 <0.05
Secchi depth -2.808 1.143 <0.05
TP 55.29 4.030 <0.05
Water temperature 0.415 2.27 <0.05
Metazoans abundance -0.00281 -5.246 <0.001
Peuk-Chl a
Intercept -10.72 -1.469 0.63 <0.05
Water temperature -0.3242 -2.196 <0.05
PH 5.921 2.431 <0.05
Secchi depth -1.532 -2.218 <0.05
Metazoans abundance -0.000708 -2.335 <0.05
DO -0.156 -2.673 <0.05
PO4-P -4.994 -0.947 0.36
Pcy-Chl a
Intercept -0.4774 -0.143 0.68 <0.001
Secchi depth -3.621 -2.852 <0.05
TP 42.41 2.771 0.05
PO4-P -20.87 -1.615 0.121 0.126
Metazoans abundance -0.00168 -4.118 <0.001