Table 3.
Significant (P < 0.05) cross-correlation coefficients and lags for bulk seawater enzyme activities, nutrient concentrations, MODIS chlorophyll (chl), and sea surface temperatures (SST), alongshore or across-shore ocean currents, and the Bakun upwelling index.
BG | LAP | NAG | PO4 | SiO4 | NOx | NH4 | chl | SST | Along | Across | Upwelling | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
AP | 0.41 (−30) | 0.39 (−30) | NS | 0.27 (−60) | 0.31 (−60) | 0.25 (−60) | NS | 0.21 (−38) | NS | NS | −0.26 (33) | 0.29 (−4) |
BG | – | 0.76 (0) | 0.34 (0) | NS | 0.31 (2) | 0.24 (5) | 0.26 (15) | 0.22 (−45) | −0.35 (−60) | NS | −0.26 (59) | 0.33 (15) |
LAP | – | – | 0.38 (0) | NS | 0.31 (−26) | NS | 0.23 (34) | 0.23 (−31) | −0.27 (−58) | NS | −0.25 (60) | 0.35 (−6) |
NAG | – | – | – | NS | 0.24 (26) | NS | 0.29 (−7) | NS | NS | NS | NS | NS |
PO4 | – | – | – | – | 0.66 (0) | 0.83 (0) | 0.52 (0) | 0.24 (2) | −0.38 (0) | NS | NS | NS |
SiO4 | – | – | – | – | – | 0.69 (0) | 0.37 (0) | 0.25 (2) | NS | NS | NS | 0.24 (28) |
NOx | – | – | – | – | – | – | 0.43 (0) | 0.27 (2) | NS | NS | NS | 0.20 (27) |
NH4 | – | – | – | – | – | – | – | NS | −0.24 (−40) | NS | NS | NS |
chl | – | – | – | – | – | – | – | – | −0.36 (−40) | NS | 0.20 (1) | −0.25 (−58) |
SST | – | – | – | – | – | – | – | – | – | NS | −0.29 (5) | 0.49 (−59) |
Along | – | – | – | – | – | – | – | – | – | – | 0.52 (4) | NS |
Across | – | – | – | – | – | – | – | – | – | – | – | NS |
The variable in the column lags the variable in the row by the number of days in parentheses. AP, alkaline phosphatase; BG, β-glucosidase; NAG, N-acetyl-glucosaminidase; LAP, leucine aminopeptidase.