Table 5. Ranked biomass of 16 major oyster reef species or 

 groups of species and proportion of total macrofaunal biomass. 



~ Mean biomass 



Species or group of species (g/m^ + 2 s-) % of total 



Crassostrea virginica 969.6+93.4 87.534 



Guekensia demissa 83.7+26.9 7.554 



Ischadium recurvum 24.4+13.0 2.200 



Eurypanopeus depressus 13.5 jH 2.3 1.220 



Panopeus herbstii 7.3+ 4.4 0.656 



Neanthes succinea 3.4 + 1.6 0.304 



Anthozoa (unidentified) 1.5+ 0.5 0.131 



3 Cirripedia species T-^l 0.6 0.130 



3 Amphipoda species 1'2 ji 0.5 0.106 



Nereiphyllis fragilis 0.8+ 0.5 0.069 



Mya arenaria 0.3+ 0.5 0.024 



Odostomia impressa 0.3+ 0.1 0.024 



Nemertea (unidentified) 0.1 + 0.0 0.013 



Anurida maritima 0.1 ± 0.1 0.013 



3 Polychaeta species 0.1 + 0.1 0.013 



Cassidinidea lunifrons 0.0 + 0.0 0.001 



Total 1,107.7 



46 



