De haringcampagne 1957-58 = La campagne harenguière 1957-58
Gilis, Ch. (1958). De haringcampagne 1957-58 = La campagne harenguière 1957-58. Zeewetenschappelijk Instituut = Institut d'Etudes Maritimes: Oostende. 33 pp.
This series describes the herring fisheries (fishing grounds, fleet, crew, landings and totals, catches), and also a biological study on a few characteristics of herring (length, weight, sex, gonads, fat ratios, age, gut content, scales).
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