Records of the young fish and plankton of Plymouth off-shore waters taken in ½ hr. oblique hauls of the 2 m. stramin ring-trawl were continued in 1948. They show an even lower production of young fish than in 1947 and a continued poverty of plankton organisms other than young fish. The dates on which collections were made are given in Table I.
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P. G. Corbin (1949) studied this question.