Biblioteca Digital

77 resultados para Volunteers in Service to America

Plankton studies in relation to the western mackerel fishery

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On the growth of some lamellibranchs in relation to the food-supply of fishes.

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Seasonal changes in the phosphate content of sea water in relation to the growth of the algal plankton during 1923 and 1924.

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Seasonal variations in the phosphate and silicate content of sea water during 1926 and 1927 in relation to the phytoplankton crop

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The reproductive organs of the herring in relation to growth

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Seasonal variations in the phosphate and silicate content of sea-water in relation to the phytoplankton crop. Part V. November 1927 to April 1929, compared with earlier years from 1923

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Seasonal changes in the silica content of natural waters in relation to the phytoplankton

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The phosphate content of sea water in relation to the growth of the algal plankton. Part III.

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The vertical distribution of marine macroplankton. XII. Some observations on the vertical distribution of Calanus finmarchicus in relation to light intensity

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On the biology of Calanus finmarchicus. Part VI. Oxygen consumption in relation to environmental conditions

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The biology of Purpura lapillus. I. Shell variation in relation to environment

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Oxygen production by the diatom Coscinodiscus excentricus EHR. in relation to submarine illumination in the English Channel

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The biology of Littorina littorea Part II. Zonation in relation to other gastropods on stony and muddy shores

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Notes on certain aspects of the biology of Cumopsis goodsiri (Van Beneden) and some other cumaceans in relation to their environment

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Defecation in relation to the spontaneous activity cycles of Arenicola marina L.

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