Table 2 Comparisons of the vertical distribution of the different developmental stages of Ophiocomina nigra, Ophiothrix fragilis and Amphiura filiformis in the bay of Douarnenez.
Comparison | Day | Night | ||||
|---|---|---|---|---|---|---|
B | p | Significant values (/10) | B | p | Significant values (/10) | |
Ophiocomina nigra | ||||||
2-arms versus 4-arms | 0.7581–4.1939 | 0.1228–0.6845 | 0 | 1.2453–4.5869 | 0.1009–0.5365 | 0 |
2-arms versus 6-arms | 0.7326–5.3125 | 0.0702–0.6933 | 0 | 4.9815–8.3919 | 0.0151–0.0828 | 0 |
2-arms versus 8-arms | 0.3855–7.3263 | 0.0257–0.8247 | 0 | 8.8555–12.0262 | 0.0024–0.0119 | 9 |
4-arms versus 6-arms | 0.0386–2.7937 | 0.2474–0.9809 | 0 | 0.8973–3.8738 | 0.1441–0.6385 | 0 |
4-arms versus 8-arms | 0.0640–4.9651 | 0.0835–0.9685 | 0 | 4.4786–10.6771 | 0.0048–0.1065 | 2 |
6-arms versus 8-arms | 0.4258–4.8535 | 0.0883–0.8082 | 0 | 2.6250–9.7173 | 0.0078–0.2691 | 1 |
Ophiothrix fragilis | ||||||
4/6-arms versus 6-arms | 0.2352–4.3955 | 0.1111–0.8891 | 0 | 1.3854–4.4813 | 0.1064–0.5002 | 0 |
4/6-arms versus 8-arms | 1.8961–5.7955 | 0.0551–0.3875 | 0 | 3.8105–8.5510 | 0.0139–0.1488 | 0 |
6-arms versus 8-arms | 0.0805–5.0043 | 0.0819–0.9606 | 0 | 0.8471–3.1427 | 0.2078–0.6547 | 0 |
Amphiura filiformis | ||||||
2-arms versus 4-arms | 0.0517–4.0933 | 0.1292–0.9745 | 0 | 4.5020–9.1455 | 0.0103–0.1053 | 0 |
2-arms versus 6-arms | 3.2263–6.0047 | 0.0497–0.1993 | 0 | 4.6089–8.5705 | 0.0138–0.0998 | 0 |
4-arms versus 6-arms | 0.4486–4.1189 | 0.1275–0.7991 | 0 | 0.2305–3.2846 | 0.1935–0.8911 | 0 |