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Table 4 Modal groups of size frequency distributions of females 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 1 2 3 4 5 6 7 χ 2 P
Nov-06 3.37 ± 0.44 0.14 5.19 ± 0.32 0.08 6.52 ± 0.35 0.11   9.12 ± 0.70 0.40 10.99 ± 0.33 0.21 12.50 ± 0.41 0.05 1.92 0.99
Dec-06 3.18 ± 0.30 0.07 4.73 ± 0.20 0.08 6.20 ± 0.40 0.08   9.00 ± 1.00 0.77    5.70 0.99
Jan-07 3.25 ± 0.37 0.17 4.74 ± 0.60 0.25 6.32 ± 0.54 0.13 7.58 ± 0.16 0.07 8.42 ± 0.31 0.19 9.42 ± 0.27 0.18 10.61 ± 0.07 0.02 2.46 0.99
Feb-07 4.05 ± 0.72 0.33 5.47 ± 0.38 0.16 6.58 ± 0.21 0.06   8.59 ± 1.10 0.45    3.99 0.99
Mar-07   4.70 ± 1.10 0.50   7.70 ± 1.20 0.40   9.70 ± 0.35 0.08   5.56 0.98
Apr-07 3.60 ± 0.62 0.24 4.97 ± 0.40 0.18   7.46 ± 1.15 0.52   9.85 ± 0.39 0.06   5.64 0.99
May-07 3.46 ± 0.43 0.14 4.74 ± 0.24 0.19 5.75 ± 0.24 0.14 7.15 ± 0.62 0.40   9.61 ± 0.70 0.13   5.71 0.99
June-07 3.34 ± 0.21 0.21 4.76 ± 0.37 0.26 6.27 ± 0.50 0.19 7.64 ± 0.22 0.14   9.61 ± 0.64 0.21   0.46 0.99
July-07 3.83 ± 0.74 0.29 5.34 ± 0.45 0.12 6.91 ± 0.46 0.10   9.00 ± 0.80 0.45   11.50 ± 0.44 0.05 4.56 0.99
Aug-07   4.40 ± 0.87 0.36 6.55 ± 0.39 0.16 7.47 ± 0.22 0.04 8.57 ± 0.45 0.23 9.90 ± 0.40 0.15 11.85 ± 0.17 0.06 4.85 0.99
Sept-07   4.60 ± 0.93 0.55    8.32 ± 1.12 0.45    3.95 0.99
Oct-07 3.00 ± 0.04 0.01 5.01 ± 0.69 0.51 6.76 ± 0.17 0.07   8.57 ± 1.03 0.41    1.16 0.99
  1. Critical value χ 2 = 27.58. Size (in mm CW) ± standard deviation and proportions of modal groups are shown. χ 2 statistic, P associated probability of goodness of fit