Ussing, Hans H. - The Biology of Some Important Plankton Animals in the Fjords of East Greenland

Kobenhavn, C.A. Reitzel, 1938. orig.wrappers. 28x18cm, 108 pp, Series: Meddelelser om Groenland, Bd. 100, Nr. 7.. Textual graphs.. Unopened. Minor rubbing. VG. ¶ Contents: Material: Survey of the Species Found; Survey of the Hydrographical Conditions; The Phytoplankton; The Annual Numerical Variation of the Species; Reproduction & Development; Remarks on the Food of the Copepods; Variations in the Size of the Copepods; The Influence of the External Factors on the Plankton Animals: Temperature; Salinity; Dissolved Organic Substances; Suspended Inorganic Substances; Movements in the Water; Amount of Food; Light; Survey of the Biology of the Commonest Species.

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