| Table 7. Abundance (mean +/- 1 SE) per 6-8 l of sediment (see Biernbaum (1979) and Swanson (1977) for details) of amphipod and polychaete species in Fishers Island Sound in assembalges, noted as I, II, II-1, etc., identified via classification analysis (Figures 13 and 14). Species from Ampelisca to Unicola are amphipods, from Ampheretidae to the end of the table are polychaetes. | ||||||
| SPECIES | I | II | II-1 | II-2 | III | III-1 |
| Ampelisca abdita | 15.70 +/-7.7 | 8.70 +/-0.0 | 404.08 +/-219.8 | 38.00 +/-0.0 | ||
| Ampelisca vadorum | 156.00 +/-53.7 | 8.30 +/-0.0 | 37.70 +/-0.0 | 51.68 +/-40.4 | +/-0.0 | |
| Ampelisca verrilli | 5.80 +/-5.8 | 7.60 +/-0.0 | 243.10 +/-87.6 | 34.5 +/-0.0 | ||
| Byblis serrata | 156.30 +/-0.0 | |||||
| Corophium acutem | 96.65 +/-60.3 | |||||
| Corophium bonelli | 16.45 +/-7.1 | |||||
| Corophium insidiosum | 184.15 +/-129.2 | 4.18 +/-4.2 | ||||
| Ericthonius brasiliensis | 1.18 +/-1.2 | |||||
| Lembos websteri | 19.13 +/-11.7 | 6.33 +/-0.0 | ||||
| Leptocheirus pinguis | 5.50 +/-4.8 | 146.93 +/-70.4 | 11.5 +/-0.0 | |||
| Listriella barnardi | 4 +/-0.0 | |||||
| Lysianopsis alba | 71.75 +/-41.7 | |||||
| Microdeutopus anomalus | 45.50 +/-28.5 | |||||
| Paraphoxus spinosus | 9.60 +/-4.8 | 5.67 +/-0.0 | ||||
| Phoxocephalus holbolli | 43.63 +/-37.4 | 24.50 +/-9.2 | 6.00 +/-0.0 | |||
| Pleusymtes glaber | 5.75 +/-5.7 | |||||
| Pontogeneia inermis | 5.00 +/-5 | |||||
| Protohaustorius wigleyi | 0.60 +/-0.6 | |||||
| Stenopleustes gracilis | 4.25 +/-4.2 | 1.50 +/-1.5 | ||||
| Trichophoxus epistomus | 6.40 +/-6.4 | 12.60 +/-0.0 | ||||
| Unciola irrorata | 14.90 +/-7.3 | 7.67 +/-0.0 | 25.80 +/-4.74 | 0 +/-0.0 | ||
| Unciola serrata | 2.90 +/-2.9 | |||||
| Ampharetidae | 1.60 +/-1.6 | 1.50 +/-0.0 | 0.88 +/-0.9 | 1.50 +/-0.0 | ||
| Aricidea Jeffreysi | 1.70 +/-1.7 | 3.00 +/-0.0 | 1.50 +/-0.0 | |||
| Clymenella torquata | 11.00 +/-7.2 | 3.00 +/-0.0 | 3.25 +/-1.6 | 1.5 +/-0.0 | ||
| Eunuda sanguinea | 1.63 +/-1.0 | 4.00 +/-0.0 | 0.25 +/-0.2 | |||
| Glycera dibranchiata | 1.88 +/-1.9 | 2.10 +/-1.1 | 3.50 +/-0.0 | 0.13 +/-0.1 | ||
| Harmothoe extenuata | 5.25 +/-3.5 | 5.80 +/-2.1 | 2.50 +/-1.9 | |||
| Harmothoe imbricata | 1.38 +/-1.4 | 0.25 +/-0.3 | ||||
| Lumbrinereis tenuis | 15.88 +/-9.2 | 6.70 +/-3.6 | 23.50 +/-0.0 | 3.50 +/-2.5 | 1.5 +/-0.0 | |
| Marphysa belli | 5.50 +/-0.0 | |||||
| Nephtys picta | 0.63 +/-.6 | 4.30 +/-2.1 | 3.00 +/-0.0 | 10.00 +/-0.0 | 14.63 +/-10.2 | 15.00 +/-0.0 |
| Nereis pelagica | 1.25 +/-1.2 | |||||
| Phyllodoce muscosa | 1.38 +/-1.4 | 1.30 +/-1.1 | 0.20 +/-0.2 | +/-0.0 | ||
| Potamilla neglecta | 0.13 +/-.1 | |||||
| Prionospio heterobranchia | 10.25 +/-10.2 | 1.5 +/-0.0 | ||||
| Scoloplos robustos | 13.63 +/-13.6 | 0.88 +/-0.6 | ||||
| Spio filicornis | 3.63 +/-3.6 | 2.10 +/-2.1 | ||||
| Syllis gracillis | 2.00 +/-1.7 | 2.10 +/-2.1 | 0.25 +/-0.2 | |||
| Tharyx acutus | 2.38 +/-1.5 | 9.90 +/-4.7 | 4.13 +/-4.1 | |||