Table 3 Pearson’s correlations between the nutrient concentrations, chlorophyll a, Prochlorococcus abundance and the abundance of non-pigmented bacteria (B) and bacterial production (BP) during isothermal and stratified water column period
From: Dynamics of prokaryotic picoplankton community in the central and southern Adriatic Sea (Croatia)
Complete data set | Temperature (°C) | Salinity | Nitrate (μM) | Nitrite (μM) | Ammonium (μM) | SRP* (μM) | Prochlorococcus (×103 cells mL−1) | Chl a (mg m−3) |
|---|---|---|---|---|---|---|---|---|
Coastal sea, N = 131, P < 0.05 (isothermal period) | ||||||||
Pearson’s correlation with B | 0.24 | −0.22 | 0.09 | −0.07 | 0.05 | −0.23 | 0.22 | 0.87 |
Pearson’s correlation with BP | 0.09 | 0.06 | −0.22 | −0.22 | 0.06 | 0.09 | −0.37 | −0.26 |
Coastal sea, N = 239, P < 0.05 (stratified period) | ||||||||
Pearson’s correlation with B | 0.12 | 0.01 | −0.14 | −0.26 | −0.30 | 0.05 | 0.31 | −0.03 |
Pearson’s correlation with BP | −0.01 | 0.01 | 0.02 | 0.14 | 0.05 | 0.04 | −0.15 | 0.04 |
Open sea, N = 45, P < 0.05 (isothermal period) | ||||||||
Pearson correlation with B | 0.19 | −0.13 | −0.26 | 0.22 | 0.10 | −0.10 | 0.51 | 0.21 |
Pearson’s correlation with BP | 0.44 | −0.06 | −0.53 | −0.26 | −0.04 | 0.09 | −0.14 | 0.68 |
Open sea, N = 103, P < 0.05 (stratified period) | ||||||||
Pearson’s correlation with B | 0.14 | −0.18 | −0.32 | −0.02 | 0.22 | −0.27 | 0.29 | −0.08 |
Pearson’s correlation with BP | −0.12 | −0.06 | −0.27 | 0.07 | −0.04 | −0.07 | −0.02 | −0.38 |