| I | II | III | IV | V | VI | VII | VIII |
I | 1 | 0.7 | 0.4 | 0.6 | 0.77 | 0.55 | 0.41 | 0.75 |
II | 0.7 | 1 | 0.55 | 0.88 | 0.7 | 0.66 | 0.54 | 0.66 |
III | 0.4 | 0.55 | 1 | 0.5 | 0.44 | 0.36 | 0.44 | 0.38 |
IV | 0.6 | 0.88 | 0.5 | 1 | 0.45 | 0.5 | 0.55 | 0.5 |
V | 0.77 | 0.7 | 0.44 | 0.45 | 1 | 0.4 | 0.6 | 0.55 |
VI | 0.55 | 0.66 | 0.36 | 0.5 | 0.4 | 1 | 0.3 | 0.71 |
VII | 0.41| 0.54 | 0.44 | 0.55 | 0.6 | 0.3 | 1 | 0.4 |
VIII | 0.75 | 0.66 | 0.5 | 0.4 | 0.55 | 0.71 | 0.4 | 1 |

| Norte | | | | Sur | | | |
Estaciones de muestreo | I | II | III | IV | V | VI | VII | VIII |
Anélidos | | | | | | | | |
Phragmatopama lapidosa | 0 | 1 | 0 | 0 | 89 | 0 | 28 | 0 |
Perinereis anderssoni | 69 | 27 | 35 | 66 | 55 | 49 | 31 | 38 |
Lepidometriacommensalis | 64 | 55 | 0 | 18 | 42 | 41 | 0 | 25 |
Crustáceos | | | | | | | | |
Brycamtus hiemalis | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
Tanais sp. | 0 | 1 | 32 | 1 | 0 | 4 | 0 | 0 |
Microprotorus sp. | 30 | 44 | 65 | 74 | 119 | 216 | 1 | 82 |
Acanthonyx petiveri | 14 | 5 | 0 | 0 | 0 | 3 | 3 | 2 |
Moluscos | | | | | | | | |
Fissurella sp. | 1 | 2 | 0 | 3 | 6 | 0 | 0 | 1 |Littorina ziczac | 48 | 105 | 128 | 120 | 181 | 38 | 56 | 92 |
Thais haemostoma | 1 | 1 | 1 | 1 | 2 | 0 | 3 | 0 |
Mitrella arqus | 6 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| | | | | | | | |
∑ | 233 | 241 | 261 | 305 | 495 | 351 | 137 | 240 |

| I | | | |
| Pi | pi2 | ln(pi) | Pi(lnpi) |
Anélidos | | | |
Phragmatopama lapidosa | 0 | 0 | 0 | 0 |
Perinereis anderssoni |0.2961373 | 0.08769732 | -1.22 | -0.360378989 |
Lepidometria commensalis | 0.2746781 | 0.07544806 | -1.29 | -0.354926797 |
Crustáceos | | | |
Brycamtus hiemalis | 0 | 0 | 0 | 0 |
Tanais sp. | 0 | 0 | 0 | 0 |
Microprotorus sp. | 0.1287554 | 0.01657794 | -2.05 | -0.263928035 |
Acanthonyx petiveri | 0.0600858 | 0.00361031 | -2.81 | -0.168960239 |
Moluscos | | | |
Fissurella sp. [continua]

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