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  • Artikel  (2)
  • morphological variation  (2)
  • 1
    Digitale Medien
    Digitale Medien
    On temporal variation in the rotifer Keratella cochlearis (Gosse): the question of “Lauterborn-cycles” (1983)
    Springer
    Hydrobiologia 101 (1983), S. 247-254 
    Details
    ISSN: 1573-5117
    Schlagwort(e): Keratella cochlearis ; morphological variation ; cyclomorphosis ; Lauterborn cycle ; taxonomy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The existence of separated forms within the population of Keratella cochlearis (Gosse) from Lake Plußsee was demonstrated on the basis of a biometric analysis. The morphs cochlearis, hispida and tecta were definitely not connected by transitional forms. Micracantha and tecta were not links of a macracantha-micracantha-tecta-series. Hence, the general validity of Lauterborn-cycles is questioned. In this connection, the taxonomy of this species is also involved, because it is derived from the idea of phenotypic cycles in the sense of Lauterborn.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00009882
    Standort Signatur Einschränkungen Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 2
    Digitale Medien
    Digitale Medien
    The late-glacial/holocene Bosmina (Eubosmina) fauna of Lake Constance (Untersee) (F.R.G.): traces of introgressive hybridization (1991)
    Springer
    Hydrobiologia 225 (1991), S. 81-85 
    Details
    ISSN: 1573-5117
    Schlagwort(e): Bosmina (Eubosmina) ; Lake Constance ; sediment analysis ; morphological variation ; introgressive hybridization
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Subfossil Bosmina (Eubosmina) remains were analysed in a sediment core from the Untersee of Lake Constance which covered the Late-Glacial/Holocene period. During the Late-Glacial and the early Holocene the lake was inhabited only by Bosmina longispina Leydig. In the Late Holocene a second species, Bosmina coregoni f. kessleri Uljanin, appeared. In the uppermost sediment layers the morphological gap between the two taxa disappeared, apparently from introgressive hybridization.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00028387
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Artikel (Nationallizenzen)
    Volltext
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