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Table 3 Modal groups of size frequency distributions of males H. planatus fitted by least squares through the procedure described by Bas et al. (2005)

From: Moult cycle and growth of the crab Halicarcinus planatus (Brachyura, Hymenosomatidae) in the Beagle Channel, southern tip of South America

Mes

0

1

2

3

4

5

6

7

χ 2

P

Nov-06

 

3.50 ± 0.55 0.26

4.81 ± 0.17 0.06

6.19 ± 0.48 0.21

8.08 ± 0.54 0.20

9.51 ± 0.03 0.01

10.50 ± 0.30 0.13

12.80 ± 0.98 0.11

7.27

0.99

Dec-06

1.86 ± 0.12 0.01

3.52 ± 0.52 0.22

5.06 ± 0.40 0.15

6.48 ± 0.62 0.15

 

8.48 ± 0.58 0.22

10.00 ± 0.65 0.23

12.86 ± 0.73 0.03

3.18

0.99

Jan-07

 

3.50 ± 0.62 0.33

5.00 ± 0.40 0.25

6.31 ± 0.30 0.18

7.50 ± 0.50 0.10

8.80 ± 0.50 0.11

10.30 ± 0.30 0.04

 

5.95

0.99

Feb-07

 

3.01 ± 0.01 0.00

3.86 ± 0.20 0.12

5.24 ± 0.65 0.38

7.10 ± 0.42 0.20

8.49 ± 0.38 0.15

10.80 ± 0.90 0.08

 

5.37

0.99

Mar-07

 

3.90 ± 0.60 0.37

 

6.13 ± 1.04 0.44

 

8.59 ± 0.35 0.10

9.64 ± 0.20 0.07

11.43 ± 0.04 0.01

0.47

1.00

Apr-07

 

3.35 ± 0.40 0.16

4.80 ± 0.70 0.39

 

7.33 ± 0.69 0.28

8.78 ± 0.22 0.07

10.15 ± 0.60 0.11

 

3.12

0.99

May-07

 

2.78 ± 0.17 0.03

4.13 ± 0.42 0.29

5.85 ± 0.60 0.32

7.50 ± 0.30 0.12

8.50 ± 0.00 0.00

9.80 ± 0.50 0.20

 

5.23

0.99

June-07

 

3.57 ± 0.50 0.29

4.95 ± 0.42 0.32

6.16 ± 0.17 0.10

7.55 ± 0.44 0.18

9.03 ± 0.04 0.01

10.19 ± 0.50 0.10

 

3.93

0.99

July-07

 

3.81 ± 0.60 0.36

5.11 ± 0.37 0.16

6.20 ± 0.30 0.14

7.30 ± 0.28 0.10

8.30 ± 0.33 0.09

9.52 ± 0.27 0.08

12.10 ± 0.80 0.06

6.22

0.99

Aug-07

 

2.77 ± 0.25 0.03

3.91 ± 0.35 0.23

5.08 ± 0.33 0.22

6.45 ± 0.42 0.17

7.57 ± 0.30 0.10

9.40 ± 0.89 0.16

11.90 ± 0.14 0.09

4.69

0.99

Sept-07

 

2.96 ± 0.18 0.05

3.81 ± 0.28 0.16

5.11 ± 0.47 0.36

6.38 ± 0.37 0.17

7.59 ± 0.55 0.19

9.36 ± 0.19 0.03

10.60 ± 0.75 0.04

8.46 × 10−12

1

Oct-07

 

3.31 ± 0.19 0.11

4.72 ± 0.45 0.38

6.25 ± 0.42 0.20

7.51 ± 0.36 0.13

9.30 ± 0.73 0.17

11.39 ± 0.13 0.02

 

0.16

1

  1. Size (in mm CW) ± standard deviation and proportions of modal groups are shown. Critical value χ 2 = 27.58. χ 2 statistic, P associated probability of goodness of fit