Table 1 Results of chi-square tests on the sex ratio of 4 locations
From: Influence of roadkill during breeding migration on the sex ratio of land crab (Sesarma haematoche)
Location | Size group | Female | Male | Total | Female (%) | X2, df = 1 | P value | |
|---|---|---|---|---|---|---|---|---|
Without road | Gaeguri Island | Juvenile | 28 | 29 | 57 | 49.1 | 0.406 | 0.524 |
Small adult | 20 | 15 | 35 | 57.1 | 0.857 | 0.651 | ||
Big adult | 16 | 12 | 28 | 57.1 | 0.163 | 0.686 | ||
Keunmok Island | Juvenile | 5 | 8 | 13 | 38.5 | 0.576 | 0.448 | |
Small adult | 9 | 12 | 21 | 42.9 | 0.315 | 0.575 | ||
Big adult | 10 | 5 | 15 | 66.7 | 1.878 | 0.171 | ||
With road | Wolkok | Juvenile | 16 | 9 | 25 | 64.0 | 6.492 | 0.011 |
Small adult | 23 | 23 | 46 | 50.0 | 2.282 | 0.131 | ||
Big adult | 33 | 80 | 113 | 29.2 | 4.675 | 0.031 | ||
Jinmok | Juvenile | 66 | 82 | 148 | 44.6 | 3.178 | 0.075 | |
Small adult | 11 | 12 | 23 | 47.8 | 1.046 | 0.306 | ||
Big adult | 34 | 91 | 125 | 27.2 | 5.658 | 0.017 | ||