Table 2 Results of ANOVA (three-factor) for caprellid total abundance, species richness and abundance of the seven species
Source of variation | df | Total abundance | Species richness | Caprella acanthifera | F versus | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
MS | F | P | MS | F | P | MS | F | P | |||
Sampling time = Ti | 1 | 29384.64 | 10.93 | 0.0026** | 1.2419 | 15.05 | 0.0006** | 16.79 | 1.00 | 0.3259 | Si(Ti × Ha) |
Habitat = Ha | 6 | 14525.08 | 5.41 | 0.0008** | 0.3064 | 3.71 | 0.0077** | 16.79 | 1.00 | 0.4448 | Si(Ti × Ha) |
Ti × Ha | 6 | 13038.35 | 4.86 | 0.0016** | 0.2338 | 2.83 | 0.0277* | 16.79 | 1.00 | 0.4448 | Si(Ti × Ha) |
Si (Ti × Ha) | 28 | 2683.97 | 2.54 | 0.0006 | 0.0825 | 3.84 | 0.0000 | 16.79 | 1.00 | 0.4794 | Res |
Residual | 84 | 1058.45 | 0.0215 | 16.79 | |||||||
Cochran’s C test | C = 0.3806 (P < 0.01) | C = 0.1493 (ns) | C = 1.0000 (P < 0.01) | ||||||||
Transformation | None | Sqrt(x + 1) | None | ||||||||
Source of variation | df | Caprella grandimana | Caprella hirsuta | Caprella santosrosai | F versus | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
MS | F | P | MS | F | P | MS | F | P | |||
Sampling time = Ti | 1 | 1843.84 | 5.30 | 0.0290 | 15533.34 | 15.31 | 0.0005** | 0.0079 | 0.50 | 0.4853 | Si(Ti × Ha) |
Habitat = Ha | 6 | 437.59 | 1.26 | 0.3081 | 11476.53 | 11.31 | 0.0000** | 0.0714 | 4.50 | 0.0026** | Si(Ti × Ha) |
Ti × Ha | 6 | 398.43 | 1.15 | 0.3628 | 9979.60 | 9.84 | 0.0000** | 0.0079 | 0.50 | 0.8029 | Si(Ti × Ha) |
Si (Ti × Ha) | 28 | 347.88 | 1.17 | 0.2897 | 1014.31 | 1.60 | 0.0521 | 0.0159 | 0.67 | 0.8869 | Res |
Residual | 84 | 298.23 | 633.50 | 0.0238 | |||||||
Cochran’s C test | C = 0.7873 (P < 0.01) | C = 0.5620 (P < 0.01) | C = 0.3333 (P < 0.01) | ||||||||
Transformation | None | None | None | ||||||||
Source of variation | df | Deutella schieckei | Phtisica marina | Pseudoprotella phasma | F versus | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
MS | F | P | MS | F | P | MS | F | P | |||
Sampling time = Ti | 1 | 0.6429 | 1.53 | 0.2266 | 0.1270 | 2.00 | 0.1683 | 0.0317 | 1.00 | 0.3259 | Si(Ti × Ha) |
Habitat = Ha | 6 | 1.3413 | 3.19 | 0.0164 | 0.0529 | 0.83 | 0.5545 | 0.0317 | 1.00 | 0.4448 | Si(Ti × Ha) |
Ti × Ha | 6 | 0.6429 | 1.53 | 0.2055 | 0.0529 | 0.83 | 0.5545 | 0.0317 | 1.00 | 0.4448 | Si(Ti × Ha) |
Si (Ti × Ha) | 28 | 0.4206 | 2.04 | 0.0068** | 0.0635 | 4.00 | 0.0000** | 0.0317 | 1.00 | 0.4749 | Res |
Residual | 84 | 0.2063 | 0.0159 | 0.0317 | |||||||
Cochran’s C test | C = 0.5000 (P < 0.01) | C = 0.5000 (P < 0.01) | C = 1.0000 (P < 0.01) | ||||||||
Transformation | None | None | None | ||||||||