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Table 2

Spearman rank correlation coefficientsa between surface water (5 m) chlorophyll a (chl a), depth-integrated chl a (0–50 m), and productivity in the euphotic zone (PPZeu) and stratification strength, surface water (5 m) temperature, wind direction, and N-limitation index. DOI: https://doi.org/10.1525/elementa.307.t2

Environmental variableStationChl a (5 m)Chl a (0–50 m)PPZeu

 
Stratification 0.24 (0.54)  0.79 (0.00) 0.17 (0.53)  
0.43 (0.30)  0.57 (0.15)  0.11 (0.78)  
Temperature –0.19 (0.62)  0.98 (0.00) 0.29 (0.28)  
0.33 (0.39)  0.57 (0.15)  0.89 (0.00) 
Wind directionb –0.38 (0.32)  0.00 (0.93)  –0.17 (0.53)  
0.71 (0.04) 0.50 (0.27)  0.25 (0.55)  
N-limitation indexc 0.17 (0.66)  0.74 (0.00) 0.45 (0.08)  
Environmental variableStationChl a (5 m)Chl a (0–50 m)PPZeu

 
Stratification 0.24 (0.54)  0.79 (0.00) 0.17 (0.53)  
0.43 (0.30)  0.57 (0.15)  0.11 (0.78)  
Temperature –0.19 (0.62)  0.98 (0.00) 0.29 (0.28)  
0.33 (0.39)  0.57 (0.15)  0.89 (0.00) 
Wind directionb –0.38 (0.32)  0.00 (0.93)  –0.17 (0.53)  
0.71 (0.04) 0.50 (0.27)  0.25 (0.55)  
N-limitation indexc 0.17 (0.66)  0.74 (0.00) 0.45 (0.08)  

a Asterisks indicate significant relationships; p values are shown in parentheses.

b 24-h average prior to sampling.

c Available for station M only.

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