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  • Electronic Resource  (2)
  • Anuraeopsis  (1)
  • Austrian Alps  (1)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Distribution and ecology of rotifer communities in high-altitude alpine sites — a multivariate approach (1995)
    Springer
    Hydrobiologia 313-314 (1995), S. 75-89 
    Details
    ISSN: 1573-5117
    Keywords: rotifer communities ; habitat preference ; species diversity ; Austrian Alps ; minimum variance clustering ; principal component analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The distribution and ecology of benthic, periphytic and planktonic rotifers were investigated in a wide range of alpine waterbodies in Austria. A total of 162 substrate classified samples was taken at 60 sampling sites situated between 1824 m and 2753 m a.s.l. in the Central Alps (predominantly gneiss) and between 1290 m and 1643 m a.s.l. in the Northeastern Calcareous Alps. Multivariate analysis allowed the recognition of distinct sampling site groups. Different groups of taxa were identified on the basis of their total frequencies of occurrence and frequency of co-occurrence. Several species were shown to have distributions restricted to particular groups of habitats. Habitat complexity, as indicated by taxon diversity and density of submersed vegetation, pH, conductivity, and temperature seem to be the principal components affecting community composition and distribution of single species in alpine waterbodies. Highest diversities were measured in limestone solution lakes and acid bog ponds on primary bedrock.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025934
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Additional notes on taxonomy and ecology of Anuraeopsis miracleae Koste, 1991 (Rotatoria:Monogononta) from an Austrian alpine lake (1993)
    Springer
    Hydrobiologia 264 (1993), S. 55-60 
    Details
    ISSN: 1573-5117
    Keywords: Anuraeopsis ; nomenclature ; morphology ; ecology ; Weber's organ ; egg-carrying
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Although closely resembling Anuraeopsis fissa, Anuraeopsis miracleae constitutes a well defined species, being more highly adapted to microaerobic, cold environments. Our observations on the Austrian population are compared with information available on specimens from the type locality in Spain. Morphological discrepancies, especially concerning characteristics of Weber's organ and shape of the eggs are described and discussed. General ecological features indicate that the species is not restricted to meromictic or stratified lakes. To agree with the provisions of the International Code of Zoological Nomenclature the original spelling of A. miraclei Koste, 1991 is emended to A. miracleae Koste, 1991.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00014664
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    Paper (German National Licenses)
    Fulltext
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