Table 4. Ten most abundant taxa at Seawolf Disposal Mound - 300SE and 300WSW, September 1997 





Rank 



Species 



Percent of 

 Total Fauna 



Density 

 (Ind. 0.04 m" 2 ) \ 



I 



Monticellina baptisteae (Stage 1 polychaete) 



31.40 



351 



2 



Mediomastus ambiseta (Stage I polychaete) 



15.47 



173 



3 



Ampelisca vadorum (Stage II amphipod) 



8.77 



98 



4 



Oligochaeta spp. (Stage I oligochaete) 



8.68 



97 



5 



Prionospio steenstrupi (Stage I polychaete) 



5.28 



59 



6 



Nucula annulata (Stage II bivalve) 



5.19 



58 



7 



Tharyx acutus (Stage I polychaete) 



3.58 



40 



8 



Leptocheirus pinguis (Stage II amphipod) 



2.15 



24 



9 



Scoletoma hebes (Stage III polychaete) 



1.61 



18 



10 



Anadara transversa (bivalve) 



1.34 



15 





Total - 1 Taxa 



83.45 



933 





Remaining Fauna - 56 Taxa 



16.55 



185 





Total Fauna - 66 Taxa 



100.00 



1118 



Seawolf Disposal Mound - 300WSW 



Rank 



Species 



Percent of 

 Total Fauna 



Density 

 (Ind. 0.12m -2 ) 



1 



Prionospio steenstrupi (Stage I polychaete) 



25.10 



130 



2 



Mediomastus ambiseta (Stage I polychaete) 



13.51 



70 



3 



Nucula annulata (Stage II bivalve) 



11.78 



61 



4 



Ampelisca vadorum (Stage II amphipod) 



8.30 



43 



5 



Tharyx acutus (Stage I polychaete) 



7.53 



39 



6 



Monticellina baptisteae (Stage I polychaete) 



3.28 



17 



7 



Dipolydora socialis (Stage I polychaete) 



2.32 



12 



8 



Ampharetidae spp.* (Stage I polychaete) 



2.12 



11 



9 



Polycirrus cf. haematodes (Stage I polychaete) 



2.12 



11 



10 



Crepidula plana (gastropod) 



1.93 



10 





Total - 1 Taxa 



77.99 



404 





Remaining Fauna - 44 Taxa 



22.01 



114 





Total Fauna - 54 Taxa 



100.00 



518 



* Taxon excluded from diversity analysis. Incompletely identified taxa were used in diversity analyses only when species belonging to those 

 were absent from the sample. 



