Table III:
Summary of statistical approaches and results for repeated measures two-way ANOVA analysis on the effects of depth, time and the interaction of depth and time on mean abundance of common zooplankton taxa
| Plankter copepods | Trans. | Depth (df = 3) |
Time (df = 5) |
Depth × Time (df = 15) |
Spher. | |||
|---|---|---|---|---|---|---|---|---|
| P-value | F | P-value | F | P-value | F | |||
| Calanoids | ||||||||
| Acartia | Log | 0.004 | 7.435 | 0.000 | 10.239 | 1.126 | 0.354 | sig |
| Calanopia | Log | 0.853 | 0.263 | 0.006 | 3.569 | 0.285 | 1.22 | ns |
| Calanus | Log | 0.000 | 50.445 | 0.044 | 2.489 | 0.457 | 1.01 | ns |
| Calocalanus | Log | 0.538 | 0.744 | 0.826 | 0.436 | 0.642 | 0.82 | ns |
| Paracalanus | Log | 0.451 | 0.903 | 0.003 | 3.990 | 0.011 | 2.46 | ns |
| Temora | LN + 1 | 0.000 | 17.400 | 0.255 | 1.353 | 0.888 | 0.567 | ns |
| Calanoid unid. | Log | 0.002 | 5.561 | 0.041 | 2.421 | 0.585 | 0.88 | ns |
| Harpacticoids | ||||||||
| Tegastidae family | Log | 0.000 | 13.912 | 0.001 | 4.921 | 0.000 | 9.88 | ns |
| Macrosetella | Log | 0.156 | 1.858 | 0.002 | 5.259 | 0.448 | 1.02 | sig |
| Microsetella | Sqrt | 0.000 | 15.525 | 0.629 | 0.676 | 0.303 | 1.192 | ns |
| Laophontidae family | Log | 0.000 | 18.27 | 0.079 | 2.053 | 0.598 | 0.87 | ns |
| Cyclopoids | ||||||||
| Oithona | Sqrt | 0.028 | 4.310 | 0.472 | 0.924 | 0.719 | 0756 | ns |
| cyclopoid unid | Log | 0.644 | 0.560 | 0.048 | 2.337 | 0.009 | 2.432 | sig |
| Poecilostomatoids | ||||||||
| Copilia | Log | 0.000 | 24.23 | 0.003 | 3.906 | 0.098 | 1.59 | ns |
| Corycaeus | Sqrt | 0.000 | 14.884 | 0.132 | 1.773 | 0.890 | 0.565 | ns |
| Oncaea | Sqrt | 0.189 | 1.635 | 0.025 | 3.264 | 0.486 | 0.98 | ns |
| Copepodites | Log | 0.006 | 5.343 | 0.000 | 6.220 | 0.000 | 3.75 | ns |
| Copepod nauplii | Sqrt | 0.000 | 15.343 | 0.626 | 0.699 | 0.529 | 0.938 | ns |
| Exoskeletons | Sqrt | 0.127 | 3.098 | 0.098 | 2.773 | |||
| Non-copepod | ||||||||
| Amphipods | Sqrt | 0.359 | 1.176 | 0.029 | 2.698 | 0.569 | 0.898 | sig |
| Chaetognaths | Sqrt | 0.008 | 6.418 | 0.384 | 1.074 | 0.0690 | 1.729 | ns |
| Decapods, crab zoea | LN + 1 | 0.001 | 14.39 | 0.002 | 4.130 | 0.040 | 1.912 | ns |
| Fish eggs | Sqrt | 0.000 | 171.97 | 0.000 | 5.447 | 0.064 | 1.755 | sig |
| Isopods | Sqrt | 0.005 | 7.215 | 0.296 | 1.252 | 0.910 | 0.535 | ns |
| Larvaceans | LN + 1 | 0.000 | 23.717 | 0.069 | 2.177 | 0.653 | 0.819 | ns |
| Ostracods | Log | 0.148 | 2.143 | 0.000 | 5.159 | 0.262 | 1.251 | ns |
| Polychaetes | Log | 0.084 | 2.31 | 0.11 | 1.85 | 0.827 | 0.65 | ns |
| Total zooplankton | Sqrt | 0.001 | 10.46 | 0.443 | 0.970 | 0.965 | 0.501 | ns |
| Total copepods | Sqrt | 0.009 | 6.109 | 0.070 | 2.167 | 0.638 | 0.834 | ns |
| Total non-copepods | Sqrt | 0.003 | 4.97 | 0.001 | 4.47 | 0.716 | 0.79 | ns |
| Total decapods | Log | 0.003 | 4.95 | 0.000 | 18.96 | 0.716 | 0.76 | ns |
Only groups that passed ANOVA assumptions are shown. For significant ANOVA tests, a Mauchley–Sphericity test was performed (see text).