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