Biblioteca Digital

40 resultados para Investigations.

Some results of the International Fishery Investigations

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Summary of an account of investigations into the cause or causes of the unusual mortality among oysters in English oyster beds during 1920 and 1921

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Herring investigations at Plymouth. I. Methods of collection and treatment of data

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Herring investigations at Plymouth, II. The average number of vertebrae for herrings from the English Channel and south-east of Ireland

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Herring investigations at Plymouth, III. The Plymouth winter fishery during the seasons 1924-25, 1925-26, and 1926-27

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Herring investigations at Plymouth, IV. The growth of young herrings in the neighbourhood of Plymouth

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Herring investigations at Plymouth, V. The Plymouth winter fishery during the season 1927-28

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Herring investigations at Plymouth. VI. Winter herrings caught off the Sussex Coast and in the Great West Bay during the years 1924 to 1927

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Herring investigations at Plymouth. VII. On the artificial fertilisation and hatching of herring eggs under known conditions of salinity, with some observations on the specific gravity of the larvae

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Herring investigations at Plymouth. VIII. The transition from larva to adolescent

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Further investigations upon the water movements in the English Channel. Drift-bottle experiments in the summers of 1927, 1928 and 1929, with critical notes on drift-bottle experiments in general

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Investigations upon the water movements in the English Channel. Summer 1924

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An account of the herring investigations conducted at Plymouth during the years from 1924 to 1933

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Tunny investigations made in the North Sea on Col. E.T. Peel's yacht, "St. George," summer, 1933. Part I. Biometric data

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Summary of Tees Estuary investigations.Survey of the River Tees. Part II. The estuary, chemical and biological

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