Biblioteca Digital

147 resultados para Seasonal farmworkers

em Plymouth Marine Science Electronic Archive (PlyMSEA)

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 changes in the water and heleoplankton of fresh-water ponds.

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Geographical distribution and seasonal and diel changes of the diversity of calanoid copepods in the North Atlantic and North Sea

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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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Seasonal changes in the nitrate content of sea-water

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The seasonal abundance and distribution of the pelagic young of teleostean fishes caught in the ring-trawl in offshore waters in the Plymouth area

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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 seasonal distribution of macroplankton as shown by catches in the 2-metre Stramin ring-trawl in off-shore waters off Plymouth

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On the biology of Calanus finmarchicus. I. Reproduction and seasonal distribution in the Clyde sea area during 1932

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Seasonal changes in biomass of Calanus finmarchicus in the Plymouth area in 1930

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On the biology of Calanus finmarchicus. Part IV. Seasonal changes in the weight and chemical composition in Loch Fyne

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The variation of excess base with depth in the English Channel with reference to the seasonal consumption of calcium by plankton

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On the biology of Calanus finmarchicus. V. Seasonal distribution, size, weight and chemical composition in Loch Striven in 1933, and their relation to the phytoplankton

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The seasonal abundance and distribution of the pelagic young of teleostean fishes caught in the ring-trawl in offshore waters in the Plymouth area. Part II

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