Berit Asmund

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A new variety, Mallomonopsis elliptica var. salina, of M. elliptica var. elliptica Matwienko is described as seen in the living state in the light microscope, and in the electron microscope. The locality in which it was found is described. Eine neue Varietät, Mallomonopsis elliptica var. salina, von M. elliptica var. elliptica Matwienko wird beschrieben.(More)
A number of Mallomonas species found in samples from a variety of freshwater habitats in Alaska are identified by electron microscope studies of their scales and bristles. Notes on their ecology are given. One of the species described by Takahashi (1961) as species No. 24 has been named M. actinoloma n.sp. The contribution by Eiji Takahashi comprises Latin(More)
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(More)
  • Berit Asmund
  • Journal of Aquatic Ecosystem Stress and Recovery…
  • 2004
For three years, 1946, 1947, and 1948, I have, about once every fortnight, taken samples with a view to plankton investigations from the surface water in four of the Helleback ponds, Bogholm So, Bondedam, Kobberdam and Sorteso, situated N .W. of Elsinore in northeastern Sealand . These ponds are small forest pools, the first three not over 3 m deep, Sorteso(More)
1. It is proposed that the genus Hyalobryon and Section Epipyxis of Dinobryon, be transferred to the genus Epipyxis. Reasons for the transfer are discussed. 2. 20 species of Epipyxis and 2 species of Dinobryon are described, figured, and photographed; 8 of these with the electron microscope. 3. Reported as new species are: Epipyxis alsakana, E. alata, E.(More)
The Synura species found in samples from a variety of freshwater habitats in Alaska are identified by electron microscope studies of their scales. Synura petersenii f. macracantha Petersen & Hansen and Synura spinosa f. curtispina Petersen & Hansen are raised to specific rank. Synura petersenii f. praefracta n. f., Synura curtispina f. reticulata n. f., and(More)
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