Blar i Articles på emneord "Theragra chalcogramma"
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Comparison of walleye pollock target strength estimates determined from in situ measurements and calculations based on swimbladder form
(Journal article; Peer reviewed, 1988)The target strength of walleye pollock (Theragra chalcogramma) at 38 kHz has been determined in each of two ways: (1) in situ measurement with dual-beam and split-beam echo sounders, and (2) theoretical calculation based ...