Table 1 Descriptive statistics summarizing the total anchovy egg density and oceanographic variables in Korean waters during April, June, and August of 1985 and 2002; and June and August of 1995
No. | Mean | SD | Median | Min | Max | Skewness | Kurtosis | SE | |
|---|---|---|---|---|---|---|---|---|---|
Egg presence ratio | 492 | 0.42 | 0.49 | 0.00 | 0.00 | 1.00 | 0.34 | − 1.89 | 0.02 |
Egg density (Ind./m2) | 492 | 69.33 | 202.47 | 0.00 | 0.00 | 1893 | 4.95 | 30.75 | 9.13 |
10 m depth | |||||||||
Temperature (oC) | 492 | 18.10 | 5.60 | 17.62 | 5.70 | 28.88 | − 0.03 | − 0.84 | 0.25 |
Salinity (psu) | 492 | 33.26 | 1.13 | 33.38 | 27.23 | 34.76 | − 0.77 | 1.08 | 0.05 |
DO(ml/L) | 492 | 5.67 | 0.78 | 5.67 | 3.12 | 8.62 | 0.29 | 0.88 | 0.03 |
50 m depth | |||||||||
Temperature (oC) | 492 | 12.24 | 3.97 | 12.81 | 2.45 | 24.16 | − 0.06 | − 0.55 | 0.18 |
Salinity (psu) | 492 | 33.78 | 0.81 | 34.20 | 31.46 | 34.80 | − 0.80 | − 0.84 | 0.04 |
DO (ml/L) | 492 | 5.51 | 0.83 | 5.58 | 3.08 | 8.20 | − 0.27 | 0.78 | 0.04 |
Zooplankton biomass (mg/m3) | 492 | 162.62 | 443.53 | 71.50 | 0.66 | 8238.40 | 13.57 | 229.07 | 20.00 |