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  • benthos  (1)
  • tropical river phytoplankton  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Observations of seasonal changes in diatoms at inshore localities near Davis Station, East Antarctica (1986)
    Springer
    Hydrobiologia 139 (1986), S. 3-12 
    Details
    ISSN: 1573-5117
    Keywords: antarctic ; habitats ; diatoms ; sea ice ; benthos ; inshore
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Seventy-five diatom taxa were identified from net plankton samples collected inshore during winter, spring and summer 1977–8 near Davis Station, East Antarctica. Species richness was found to be higher in winter than in summer; this is the first time this trend has been reported in antarctic coastal regions. When these taxa were grouped according to the general habitats in which they normally occur, the benthic assemblages dominated the planktonic ones. Of the plankton, most species were of oceanic origin in winter and late summer and are thought to have been swept inshore by a cyclonic gyre which is known to occur in summer but has not been studied in winter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00770237
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Environmental conditions and phytoplankton in the Mwenda River, a small intermittent river flowing into Lake Kariba (1985)
    Springer
    Hydrobiologia 126 (1985), S. 81-89 
    Details
    ISSN: 1573-5117
    Keywords: Stream limnology ; water chemistry ; tropical river phytoplankton
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Small intermittent rivers play an important role in the limnology of African lakes. The Mwenda River occurs on the southern shore of Lake Kariba. Its flow is governed by the incidence of tropical thunderstorms. During the dry period the river is reduced to a series of turbid pools. Physicochemically the river behaves similarly to a sheltered region of the lake. One river station deviates from the normal pattern because of the insulating effect of a Salvinia mat, and because of its permanent connection with the lake. River flooding flushes both nutrients and major ions into the lake. River phytoplankton populations peak prior to the flushing out of the river. Diatom populations are composed of cosmopolitan tropical taxa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00008391
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    Paper (German National Licenses)
    Fulltext
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