. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder . T 1 r 70-74 80-84 90 94 100 104 110114 120 124 130 134 140 144 Shell Length (mm) Figure 67-6. (a) Weighted shell-length size-composition and (b) weighted age-composition of S. polynyma catches at 13 production fishing sites along the north coast of the Alaska Peninsula, 1978. Data represent the projected size- and age-composition of landings using a hydraulic clam harvester equipped with a collecting bag with a ring- diameter of 5 cm.

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