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Hydrobiologia

, Volume 17, Issue 3, pp 237–258 | Cite as

Studies on Chrysophyceae from some ponds and lakes in Alaska. I

Mallomonas species examined with the electron microscope
  • Berit Asmund
  • Douglas K. Hilliard
Article

Summary

  1. I.

    An account is given of the following habitats in Alaska from which species of Synura and Mallomonas were collected: three unnamed ponds near Anchorage, Karluk Lake on Kodiak Island, temporary pools near Cape Thomson, and Lake Louise and Lake Susitna (62° 23′ N 146° 21′ W). The account includes notes on topography, geology, vegetation, temperature, and chemistry at the time of sampling, classification, and phytoplankton content.

     
  2. II.

    Description of Mallomonas pseudocoronataPrescott and a new species, M. corymbosa and reports on six other species from the above- mentioned localities. Electron micrographs of scales and bristles are shown. Notes are made on periodicity, ecology, and sociology.

     
  3. III.

    Discussion of the designation of M. caudata.

     

Keywords

Phytoplankton Electron Micrographs Temporary Pool Phytoplankton Content Karluk Lake 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Dr W. Junk Publishers 1961

Authors and Affiliations

  • Berit Asmund
    • 1
  • Douglas K. Hilliard
    • 2
  1. 1.SnekkerstenDanmark
  2. 2.U.S. Department of Health, Education, and WelfareArctic Health Research Center, Public Health, ServiceAnchorageAlaska

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