Horizontal distribution of the plankton rotifers Keratella cochlearis (Bory de St Vincent) and Polyarthra vulgaris (Carlin) in a small eutrophic lake

  • A. P. Saunders-Davies
Conference paper
Part of the Developments in Hydrobiology book series (DIHY, volume 52)


The plankton rotifers Keratella cochlearis and Polyarthra vulgaris were sampled at 10 cm below the surface at different distances from two dissimilar shores and in the centre of a small eutrophic lake. Light and depth were measured at each sampling point. In each case the numbers of rotifers per liter increased with distance from the shore. There was a significant correlation between the numbers for the two species for the two shores, but none in the centre. In the case of one shore there was a strong correlation between rotifer numbers and supra-surface ambient light.

Key words

horizontal distribution Keratella cochlearis Polyarthra vulgaris lux 


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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • A. P. Saunders-Davies
    • 1
  1. 1.Esher SurreyUK

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