| Source of variation | Habitat (1 df) | Area (Habitat) (6 df) | Site (Area (Habitat)) (32 df) | Residual (40 df) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Transf. | Cochran’s C | MS | F | P | MS | F | P | MS | F | P | MS |
S | None | ns | 208.0125 | 1.12 | 0.3310 ns | 185.9792 | 6.02 | 0.0003*** | 30.9063 | 3.45 | 0.0001*** | 8.9625 |
N1 | None | PÂ <Â 0.01 | 3.7761 | 0.55 | 0.4859 ns | 6.8534 | 1.48 | 0.2171 ns | 4.6268 | 1.72 | 0.0524 ns | 2.6679 |
N10 | Sqrt (XÂ +Â 1) | ns | 0.0007 | 0.07 | 0.7960 ns | 0.0098 | 2.52 | 0.0413* | 0.0039 | 2.11 | 0.0127* | 0.0018 |
Abra segmentum | Sqrt (XÂ +Â 1) | ns | 30.2879 | 1.52 | 0.2642 ns | 19.9723 | 2.18 | 0.0705 ns | 9.1427 | 12.17 | 0.0000*** | 0.7512 |
Actiniaria indet. | Ln (XÂ +Â 0.1) | ns | 33.4306 | 1.05 | 0.3440 ns | 31.6899 | 5.35 | 0.0006*** | 5.9257 | 3.38 | 0.0002*** | 1.7551 |
Amphipholis squamata | Ln (XÂ +Â 0.001) | ns | 148.9852 | 1.94 | 0.2128 ns | 76.6884 | 3.9 | 0.0050** | 19.6873 | 2.96 | 0.0006*** | 6.6426 |
Brania sp. | Ln (XÂ +Â 0.01) | ns | 0.5329 | 0.03 | 0.8773 ns | 20.5307 | 2.54 | 0.0398* | 8.0786 | 2.68 | 0.0017** | 3.0155 |
Capitella capitata | Sqrt (XÂ +Â 1) | ns | 6.0392 | 0.41 | 0.5452 ns | 14.6999 | 2.42 | 0.0482* | 6.0679 | 1.96 | 0.0218* | 3.0892 |
Cerastoderma glaucum | Ln (XÂ +Â 1) | ns | 0.1080 | 0.40 | 0.5496 nsa | 0.2689 | 0.53 | 0.7841 ns | 0.5109 | 2.51 | 0.0032** | 0.2039 |
Chironomus salinarius | Sqrt (XÂ +Â 1) | ns | 24.1505 | 0.89 | 0.3823 ns | 27.182 | 3.65 | 0.0071** | 7.4459 | 15.18 | 0.0000*** | 0.4906 |
Cirriformia tentaculata | X^0.1 | ns | 0.4247 | 0.58 | 0.4766 ns | 0.7372 | 1.74 | 0.1447 ns | 0.4247 | 3.43 | 0.0001** | 0.1240 |
Cirrophorus furcatus | X^0.01 | ns | 0.8165 | 2.22 | 0.1869 ns | 0.368 | 4.01 | 0.0042** | 0.0917 | 1.2 | 0.2862 ns | 0.0761 |
Corophium insidiosum | Ln (XÂ +Â 1) | PÂ <Â 0.05 | 39.0638 | 4.51 | 0.0779 ns | 8.6634 | 1.62 | 0.1741 ns | 5.3510 | 8.05 | 0.0000** | 0.6648 |
Corophium acherusicum | Ln (XÂ +Â 0.1) | ns | 75.8199 | 3.56 | 0.108 ns | 21.2817 | 3.96 | 0.0045** | 5.3706 | 6.5 | 0.0000** | 0.8267 |
Cyathura carinata | Ln (XÂ +Â 0.1) | ns | 2.302 | 0.14 | 0.7224 ns | 16.6009 | 2.63 | 0.0343* | 6.3006 | 4.48 | 0.0000*** | 1.4073 |
Cyclope neritea | None | ns | 63.0125 | 1.19 | 0.3164 ns | 52.7625 | 9.41 | 0.0000*** | 5.6063 | 3.65 | 0.0001*** | 1.5375 |
Desdemona ornata | Ln (XÂ +Â 0.0001) | ns | 10.4866 | 0.14 | 0.7183 ns | 73.3367 | 4.18 | 0.0033** | 17.5615 | 1.78 | 0.0419* | 9.8556 |
Gammarus aequicauda | Ln (XÂ +Â 1) | ns | 13.4917 | 0.63 | 0.4588 ns | 21.5387 | 5.95 | 0.0003*** | 3.6222 | 8.04 | 0.0000*** | 0.4504 |
Hediste diversicolor | None | ns | 9.8000 | 2.97 | 0.1356 ns | 3.3000 | 1.27 | 0.3004 nsa | 2.6063 | 1.24 | 0.2566 ns | 2.1000 |
Hydrobia cfr. ventrosa | None | ns | 207570.31250 | 8.09 | 0.0294* | 25656.4958 | 1.86 | 0.1189 ns | 13803.3188 | 8.25 | 0.0000*** | 1672.2875 |
Hydroides dianthus | Ln (XÂ +Â 0.001) | ns | 0.9514 | 0.02 | 0.8835 ns | 40.7147 | 2.33 | 0.0557 ns | 17.4634 | 2.95 | 0.0007*** | 5.9139 |
Idotea balthica | Ln (XÂ +Â 1) | ns | 1.1864 | 0.17 | 0.6961 ns | 7.0589 | 3.3 | 0.0122* | 2.1415 | 2.83 | 0.0010** | 0.7576 |
Malacoceros cfr. fuliginosus | Sqrt (XÂ +Â 1) | ns | 21.5628 | 4.34 | 0.0823 ns | 4.9657 | 0.98 | 0.4566 ns | 5.082 | 12.4 | 0.0000*** | 0.4097 |
 |  |  | Pooling | 4.26 | 0.0459* | 5.0637 | 12.36 |  |  |  |  |  |
Marphysa sanguinea | Ln (XÂ +Â 1) | ns | 2.7682 | 2.59 | 0.1583ns | 1.0668 | 2.01 | 0.0940 ns | 0.5319 | 6.18 | 0.0000*** | 0.0861 |
Melita palmata | Ln (XÂ +Â 1) | ns | 17.0318 | 6.48 | 0.0438* | 2.6300 | 3.66 | 0.0070** | 0.7180 | 2.44 | 0.0040** | 0.2945 |
Microdeutopus gryllotalpa | Ln (XÂ +Â 1) | ns | 0.0100 | 0.00 | 0.9775 ns | 11.6349 | 3.47 | 0.0093** | 3.3519 | 4.83 | 0.0000*** | 0.6936 |
Musculista senhousia | Ln (XÂ +Â 0.1) | ns | 1.6531 | 0.06 | 0.8194 ns | 29.0466 | 7.71 | 0.0000*** | 3.7665 | 3.58 | 0.0001*** | 1.0519 |
Mytilus galloprovincialis | Ln (XÂ +Â 0.1) | ns | 19.6285 | 5.07 | 0.0653 ns | 3.8699 | 1.03 | 0.4234 ns | 3.7528 | 2.46 | 0.0037** | 1.5267 |
 |  |  | Pooling | 5.20 | 0.0282* | 3.7713 | 2.4702 |  |  |  |  |  |
Neanthes succinea | Sqrt (XÂ +Â 1) | ns | 1.2183 | 1.45 | 0.2734 nsa | 0.8384 | 0.89 | 0.5127 ns | 0.9403 | 8.23 | 0.0000*** | 0.1142 |
Nebalia sp. | Ln (XÂ +Â 0.1) | ns | 0.2192 | 0.08 | 0.7929 ns | 2.9097 | 1.57 | 0.1894 ns | 1.8589 | 1.23 | 0.2626 ns | 1.5071 |
Nematoda | Ln (XÂ +Â 1) | ns | 24.4264 | 1.56 | 0.2580 ns | 15.6459 | 3.76 | 0.0061** | 4.1655 | 3.61 | 0.0001*** | 1.1526 |
Nemertina | Ln (XÂ +Â 1) | ns | 1.5073 | 0.42 | 0.5428 ns | 3.6239 | 2.29 | 0.0596 ns | 1.5826 | 2.73 | 0.0014** | 0.5787 |
Polydora ciliata | None | ns | 2101.2500 | 0.17 | 0.6954 nsa | 12440.0833 | 0.86 | 0.5363 ns | 14509.1938 | 28.65 | 0.0000*** | 506.3500 |
Sabellaria alcocki | Ln (XÂ +Â 0.01) | PÂ <Â 0.05 | 0.8416 | 3.09 | 0.1292 ns | 0.2723 | 1.90 | 0.1122 ns | 0.1437 | 2.81 | 0.0011* | 0.0511 |
Streblospio shrubsolii | Ln (XÂ +Â 0.01) | ns | 66.7832 | 3.75 | 0.1008 ns | 17.7898 | 1.17 | 0.3452 ns | 15.1688 | 2.95 | 0.0007*** | 5.1469 |
 |  |  | Pooling | 4.29 | 0.0453* | 15.5826 | 3.0276 |  |  |  |  |  |
Tanais dulongii | Ln (XÂ +Â 0.001) | PÂ <Â 0.05 | 77.1643 | 1.78 | 0.2303 ns | 43.3036 | 3.02 | 0.0187 ns | 14.3307 | 4.77 | 0.0000** | 3.0058 |
Ruditapes philippinarum | Ln (XÂ +Â 1) | ns | 3.5934 | 2.97 | 0.1358 ns | 1.2112 | 2.31 | 0.0574 ns | 0.5236 | 4.36 | 0.0000*** | 0.1201 |
Trypanosyllis zebra | Ln (XÂ +Â 0.0001) | ns | 15.1364 | 0.72 | 0.4281 nsa | 20.9672 | 0.71 | 0.6436 ns | 29.5097 | 4.83 | 0.0000*** | 6.1075 |
Tubificidae | None | ns | 20320.3125 | 0.82 | 0.4011 ns | 24898.2792 | 2.12 | 0.0783 ns | 11749.7625 | 2.89 | 0.0008*** | 4071.6875 |