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