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Life-cycle and karyology of Branchiura sowerbyi Beddard (Oligochaeta, Tubificidae)

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Aquatic Oligochaeta

Part of the book series: Developments in Hydrobiology ((DIHY,volume 24))

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Abstract

Data on the life-cycle of a population of Branchiura sowerbyi Beddard in a water-lily tank at the Botanical Garden in Padua are reported. The breeding period is from April to July, after which the reproductive system is partially resorbed (August-September) and reformed later in the autumn. The karyology of the species was also studied, and revealed 38 mitotic chromosomes in the gonia, and 19 bivalents in the primary spermatocytes and in the primary oocytes.

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Author information

Authors and Affiliations

  1. Istituto di Biologia Animale, Università di Padova, Via Loredan 10, I-35100, Padova, Italy

    Sandra Casellato

Authors
  1. Sandra Casellato
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Editors and Affiliations

  1. C.N.R.-Istituto Italiano di Idrobiologia, Largo V. Tonolli 50/52, I-28048, Pallanza NO, Italy

    Giuliano Bonomi

  2. Department of Zoology, University of Gothenburg, Box 25059, S-400 31, Göteborg, Sweden

    Christer Erséus

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© 1984 Dr W. Junk Publishers, Dordrecht

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Casellato, S. (1984). Life-cycle and karyology of Branchiura sowerbyi Beddard (Oligochaeta, Tubificidae). In: Bonomi, G., Erséus, C. (eds) Aquatic Oligochaeta. Developments in Hydrobiology, vol 24. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6563-8_11

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  • DOI: https://doi.org/10.1007/978-94-009-6563-8_11

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-6565-2

  • Online ISBN: 978-94-009-6563-8

  • eBook Packages: Springer Book Archive

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