Table 3 Polychaetes from the facies of the sciaphilic alga community (replicates of each depth level pooled). N number of individuals, S number of species, A (=N/m2) abundance, F frequency, d Margalef richness, H’ Shannon-Weaver index, J’ equitability index
Species | Station 1 | Station 2 | Station 4 | Station 5 | Station 6 | Station 7 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A | F | A | F | A | F | A | F | A | F | A | F | ||||||
15 m | 30 m | 40 m |
| 15 m | 30 m |
| 15 m | 30 m |
| 15 m |
| 30 m |
| 15 m | 30 m |
| |
Laetmonice hystrix (Savignyi, 1820) |
| 10 |
| 14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Harmothoe areolata (Grube, 1860) |
| 5 |
| 7 |
|
|
|
|
|
|
|
|
|
| 5 |
| 10 |
Harmothoe ljungmani (Malmgren, 1867) |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 10 | 5 | 20 |
Harmothoe spinifera (Ehlers, 1864) |
| 10 | 5 | 20 |
| 5 | 10 | 20 | 10 | 50 | 10 | 40 | 10 | 40 | 10 |
| 20 |
Chrysopetalum debile (Grube, 1855) | 5 |
|
| 7 | 5 |
| 10 |
|
|
|
|
|
|
|
| 5 | 10 |
Euphrosine foliosa Audouin & Milne Edwards, 1833 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Phyllodoce madeirensis (Langerhans, 1880) |
|
|
|
| 5 |
| 10 |
|
|
|
|
|
|
|
|
|
|
Kefersteinia cirrata (Keferstein, 1862) | 5 |
|
| 7 | 5 | 10 | 30 | 5 |
| 10 | 5 | 20 |
|
|
|
|
|
Syllidia armata Quatrefages, 1865 |
|
|
|
|
| 10 | 10 |
|
|
|
|
|
|
|
|
|
|
Pionosyllis lamelligera Saint-Joseph, 1856 |
| 5 |
| 7 |
|
|
|
| 5 | 10 | 5 | 20 |
|
|
|
|
|
Exogone naidina Orsted, 1845 | 30 | 10 | 5 | 35 |
|
|
|
| 5 | 10 |
|
|
|
|
|
|
|
Grubeosyllis limbata (Claparede, 1868) |
| 15 |
| 14 | 15 |
| 20 |
|
|
|
|
|
|
|
|
|
|
Sphaerosyllis pirifera Claparede, 1868 | 95 | 105 | 10 | 74 | 30 | 50 | 60 |
|
|
| 20 | 40 | 10 | 40 | 15 | 5 | 40 |
Spermosyllis torulosa Claparede, 1864 | 5 | 5 |
| 14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Eusyllis blomstrandi Malmgren, 1867 |
|
| 10 | 7 | 5 |
| 10 |
|
|
|
|
|
|
|
|
|
|
Pterosyllis formosa Claparede, 1863 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Haplosyllis spongicola (Grube, 1855) | 10 |
| 10 | 14 | 5 | 10 | 30 | 10 | 5 | 20 | 20 | 80 | 10 | 20 | 15 | 5 | 40 |
Syllis amica Quatrefages, 1865 |
|
|
|
| 5 | 45 | 40 |
|
|
|
|
|
|
|
|
|
|
Syllis armillaris Muller, 1771 |
|
|
|
| 10 |
|
|
|
|
|
|
| 10 | 40 |
|
|
|
Syllis cornuta Rathke, 1843 | 35 | 35 | 20 | 54 |
| 55 | 50 | 55 | 95 | 80 | 10 | 40 |
|
| 15 | 15 | 40 |
Syllis gracilis Grube, 1840 |
|
|
|
|
|
|
| 5 |
| 10 |
|
|
|
| 10 | 10 | 30 |
Syllis hyalina Grube, 1863 | 170 | 170 | 50 | 80 | 40 | 25 | 80 | 160 | 70 | 100 | 60 | 80 | 45 | 60 | 30 | 55 | 70 |
Syllis krohnii Ehlers, 1864 |
|
|
|
|
| 10 | 20 |
|
|
|
|
|
|
|
| 5 | 10 |
Syllis prolifera Krohn, 1852 | 80 | 30 | 10 | 46 | 120 | 45 | 100 | 70 | 40 | 80 | 30 | 60 | 25 | 80 |
| 5 | 10 |
Syllis vittata Grube, 1840 |
|
|
|
| 30 | 5 | 40 |
|
|
|
|
|
|
|
|
|
|
Trypanosyllis coeliaca Claparede, 1868 |
| 57 | 10 | 20 | 10 | 35 | 50 |
|
|
|
|
| 5 | 20 | 10 | 10 | 30 |
Trypanosyllis zebra (Grube, 1860) | 35 | 10 | 5 | 35 | 15 | 40 | 50 | 5 |
| 10 | 45 | 60 | 10 | 20 | 35 | 10 | 60 |
Xenosyllis scabra (Ehlers, 1864) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5 | 10 |
Nereis rava Ehlers, 1868 | 155 | 60 | 30 | 67 | 65 | 250 | 100 | 270 | 165 | 100 | 55 | 80 | 55 | 100 | 120 | 70 | 100 |
Nereis zonata Malmgren, 1867 | 20 | 5 | 5 | 27 | 40 | 85 | 70 | 55 | 25 | 40 | 30 | 80 | 10 | 20 | 10 | 25 | 50 |
Platynereis dumerilii (Audouin & Milne Edwards, 1833) | 60 | 35 | 15 | 60 | 10 | 110 | 70 | 150 | 85 | 100 |
|
| 15 | 40 | 15 | 20 | 60 |
Nereididae Heteronereis stage | 10 |
|
| 14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Glycera tesselata Grube, 1863 | 105 | 65 | 10 | 67 | 95 | 90 | 90 | 175 | 440 | 100 |
|
| 15 | 40 |
|
|
|
Glycinde nordmanni (Malmgren, 1865) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Goniada maculata Ortsed, 1843 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Arabella iricolor (Montagu, 1804) |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 10 |
| 10 |
Dorvillea rubrovittata (Grube, 1855) |
|
|
|
| 5 |
| 10 |
|
|
|
|
|
|
| 15 | 10 | 50 |
Eunice oerstedii Stimpson, 1854 |
|
|
|
|
| 35 | 40 |
| 5 | 10 |
|
| 10 | 40 |
|
|
|
Eunice torquata Quatrefages, 1865 |
|
| 10 | 14 |
| 15 | 30 |
|
|
|
|
|
|
|
|
|
|
Eunice vittata (Delle Chiaje, 1929) | 110 | 95 | 25 | 80 |
| 40 | 30 | 15 | 180 | 60 | 10 | 40 |
|
| 30 | 40 | 70 |
Lysidice ninetta (Audouin & Milne Edwards,1833) | 20 | 25 | 15 | 60 |
| 30 | 20 | 45 |
| 40 | 35 | 80 | 10 | 40 | 20 | 45 | 80 |
Marphysa fallax Marion & Bobretzky, 1875 |
|
| 5 | 7 |
| 15 | 20 |
|
|
|
|
|
|
|
|
|
|
Nematonereis unicornis (Grube, 1840) | 15 | 15 |
| 14 | 15 | 50 | 70 | 20 | 5 | 30 | 15 | 40 |
|
|
|
|
|
Palola siciliensis (Grube, 1840) |
|
|
|
|
|
|
| 5 |
| 10 |
|
|
|
| 20 |
| 10 |
Lumbrineris coccinea (Renier, 1804) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5 | 10 |
Scoletoma funchalensis (Kinberg, 1865) | 10 |
|
| 14 | 5 | 15 | 30 |
| 50 | 40 |
|
|
|
| 10 |
| 10 |
Aponuphis bilineata (Baird, 1870) |
| 5 |
| 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Onuphis sp. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Laonice cirrata (Sars, 1851) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Polydora caeca (Orsted, 1843) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 40 | 10 |
Dodecaceria concharum Orsted, 1843 |
|
|
|
|
|
|
|
| 5 | 10 |
|
|
|
|
|
|
|
Capitella capitata (Fabricius, 1780) |
|
|
|
| 15 |
| 10 |
|
|
|
|
|
|
|
|
|
|
Heteromastus filiformis (Claparede, 1864) |
|
|
|
|
|
|
|
| 15 | 30 |
|
|
|
|
|
|
|
Euclymene oerstedii (Claparede, 1836) | 5 |
|
| 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Polyopthalmus pictus (Dujardin, 1839) |
| 5 |
| 7 |
|
|
| 75 |
| 40 | 10 | 40 |
|
|
|
|
|
Sclerocheilus minutus Grube, 1863 |
|
|
|
|
| 5 | 10 |
|
|
|
|
|
|
|
|
|
|
Amphitrite variabilis (Risso, 1826) | 10 | 5 |
| 14 | 5 |
| 10 | 5 | 10 | 30 |
|
|
|
|
|
|
|
Theostoma oerstedi (Claparede, 1864) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Polycirrus aurianticus Grube, 1860 |
|
|
|
|
| 5 | 10 |
|
|
|
|
|
|
|
|
|
|
Terebella lapidaria Linneaus, 1767 |
|
|
|
|
| 5 | 10 |
|
|
|
|
|
|
| 5 |
| 10 |
Terebellides stroemi Sars, 1835 |
| 5 |
| 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Amphiglena mediterranea (Leyding, 1851) | 70 | 15 |
| 40 | 105 | 50 | 80 | 50 | 20 | 70 |
|
| 5 | 20 | 20 | 5 | 50 |
Branchiomma bombyx (Dalyell, 1853) | 10 | 5 | 5 | 27 |
|
|
| 5 | 10 | 30 |
|
|
|
| 5 | 5 | 20 |
Sabella fabricii Kroyer, 1856 |
|
|
|
|
| 10 | 20 |
|
|
|
|
|
|
|
|
|
|
Sabella pavonina Savignyi, 1820 |
| 10 |
| 7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Jasmineira candela (Grube, 1863) |
|
|
|
|
| 5 | 10 | 20 |
| 20 |
|
|
|
|
|
|
|
Janita fimbriata (Delle Chiaje, 1822) |
|
| 10 | 14 |
|
|
|
| 5 | 10 |
|
|
|
|
|
|
|
Ficopomatus enigmaticus (Fauvel, 1923) |
|
|
|
|
|
|
|
|
|
|
|
| 5 | 20 |
|
|
|
Hydroides pseudouncinata Zibrowius, 1968 |
|
|
|
|
| 5 | 10 |
|
|
| 5 | 20 |
|
|
| 5 | 10 |
Placostegus crystallinus Zibrowius, 1968 |
|
|
|
|
| 10 | 20 |
|
|
|
|
|
|
|
|
|
|
Pomatoceros triqueter (Linnaeus, 1865) |
|
|
|
| 5 | 20 | 40 |
|
|
|
|
|
|
| 15 | 30 | 60 |
Serpula concharum Langerhans, 1880 | 5 |
|
| 7 |
| 15 | 10 |
|
|
|
|
| 5 | 20 | 20 | 35 | 50 |
Serpula vermicularis Linnaeus, 1767 |
| 10 |
| 7 |
|
|
|
|
|
|
|
|
|
| 10 |
| 10 |
Vermiliopsis infundibulum (Gmelin, 1788) | 5 | 10 | 5 | 14 |
| 35 | 40 | 25 | 50 | 50 | 35 | 100 | 30 | 40 | 45 | 25 | 80 |
Vermiliopsis labiata (Costa, 1861) | 5 |
|
| 7 |
|
|
|
| 5 | 10 |
|
|
|
|
| 5 | 10 |
Protula sp. |
|
|
|
|
| 5 | 10 |
| 5 | 10 |
|
|
|
|
| 5 | 10 |
Spirorbidae |
|
|
|
| 9,380 | 910 | 90 | 725 |
| 40 |
|
|
|
|
|
|
|
Polygordiidae |
|
|
|
| 5 |
| 10 |
|
|
| 15 | 20 |
|
|
|
|
|
S | 26 | 29 | 21 |
| 27 | 36 |
| 23 | 24 |
| 18 |
| 18 |
| 26 | 28 |
|
N | 217 | 143 | 54 |
| 2,010 | 250 |
| 394 | 262 |
| 83 |
| 57 |
| 105 | 101 |
|
A | 1,085 | 715 | 270 |
| 10,050 | 2,160 |
| 1,970 | 1,310 |
| 415 |
| 285 |
| 525 | 505 |
|
d | 4.64 | 5.64 | 5.01 |
| 5.11 | 6.33 |
| 3.68 | 4.13 |
| 3.85 |
| 4.21 |
| 5.37 | 5.85 |
|
H‘ | 3.87 | 4.04 | 4.01 |
| 3.81 | 4.39 |
| 3.21 | 3.28 |
| 3.81 |
| 3.74 |
| 4.18 | 4.21 |
|
J‘ | 0.82 | 0.83 | 0.92 |
| 0.81 | 0.85 |
| 0.71 | 0.71 |
| 0.91 |
| 0.90 |
| 0.89 | 0.87 |
|