. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder . Nucula tenuis 54° - Figure 66-8. Distribution of Nucula tenuis based on collections taken with a grab, pipe dredge, clam dredge, and otter trawl. > to (Table 66-6). Ninety-six percent of N. fossa occurred at 75-125 m (Table 66-7). Minor Component of Collection: Twelve percent of the clams occurred in fine to very fine sand () and 4 percent in medium silt () with 1 percent of the species at sediment sorting values of > and 3 percent at > Four pe
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder . Nucula tenuis 54° - Figure 66-8. Distribution of Nucula tenuis based on collections taken with a grab, pipe dredge, clam dredge, and otter trawl. > to (Table 66-6). Ninety-six percent of N. fossa occurred at 75-125 m (Table 66-7). Minor Component of Collection: Twelve percent of the clams occurred in fine to very fine sand () and 4 percent in medium silt () with 1 percent of the species at sediment sorting values of > and 3 percent at > Four percent of N. fossa occurred at depths of 50-75 m (medium silt) and 2 percent at 150->175 m (medium silt). Yoldia amygdalea was present on the central and northwestern portions of the southeastern shelf and north and south on the central shelf (Figs. 66-1, 66-12, and 66-13). The greatest abundance of this species occurred at Stations 63, 64, 70, 70A, 71, and 72 (Figs. 66-12 and 66-13; Table 66-4). It was present at 23 percent of the stations sampled by van Veen grab. The greatest biomass occurred at Sta- tions 63, 64, 70, 71, 72, 82, 83, and 937 (Table 66-4). Yoldia amygdalea was associated with sedi- ment types ranging from medium sand to medium silt (; Tables 66-1 and 66-2, Figs. 66-2 to 66-6, 66-12, and 66-13, Table 66-5). Major Component of
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