Table 1 Numbers of samples and total length (L) and body weight (W) in different ages of G. huanghensis in Gansu and Ningxia sections

Sexual

Gansu section

Ningxia section

Age (yr)

Samples (n)

L (cm)

W (g)

Age (yr)

Samples (n)

L (cm)

W (g)

Female

1

11

8.84 ± 1.03

6.04 ± 1.95

1

83

8.79 ± 1.27

6.34 ± 1.85

2

45

12.38 ± 1.34

15.99 ± 4.78

2

87

12.28 ± 1.04

15.96 ± 3.25

3

41

14.78 ± 1.21

29.21 ± 7.40

3

26

15.46 ± 0.61

26.61 ± 3.99

4

24

18.32 ± 1.14

54.92 ± 9.26

4

6

18.69 ± 1.06

50.34 ± 5.83

5

17

19.98 ± 0.47

74.49 ± 5.50

5

3

20.36 ± 0.23

61.49 ± 2.45

6

8

20.47 ± 0.62

89.44 ± 6.89

7

3

22.05 ± 0.74

107.22 ± 9.81

Male

1

19

8.70 ± 0.54

5.12 ± 0.82

1

86

8.75 ± 1.27

6.61 ± 2.07

2

61

12.33 ± 1.14

15.88 ± 4.19

2

75

11.79 ± 1.39

15.44 ± 3.79

3

48

14.82 ± 1.26

29.16 ± 7.67

3

31

15.23 ± 0.75

32.65 ± 3.89

4

16

17.22 ± 1.28

46.82 ± 8.03

4

8

17.53 ± 0.58

37.17 ± 4.43

5

6

19.82 ± 0.64

65.85 ± 4.12

5

3

20.10 ± 0.37

58.94 ± 2.54

6

1

21.02 ± 0.00

79.10 ± 0.00

Unknown

1

95

7.84 ± 1.57

4.38 ± 2.28

1

303

6.74 ± 2.18

4.19 ± 2.81

2

32

11.13 ± 0.90

11.90 ± 2.52

2

9

10.99 ± 0.48

10.89 ± 0.48