Hydrobiological Bulletin

, Volume 15, Issue 1–2, pp 87–91 | Cite as

Habitat differentiation and feeding strategies in water mites in Lake Maarsseveen I

  • C. Davids
  • C. F. Heijnis
  • J. E. Weekenstroo


The habitat preference as regards depth and vegetation areas is discussed for a number ofPiona species.P. conglobata mainly walks over the water plants and undertakes swimming excursions of short duration from there.Arrenurus crassicaudatus is a bottom dweller.

This behaviour is related to the searching activities for preys. The main food ofA. crassicaudatus consists of ostracods.P. conglobata prefersDaphnia aboveCyclops, while forUnionicola crassipes the reverse holds true.P. conglobata andU. crassipes do not recognize ostracods as possible preys. The relative prey size greatly influences the rate of catching success.

The feeding strategies (catching behaviour, prey preferences and handling time) of these three species are discussed. Differences in these strategies are also considered in view of species diversity.


Short Duration Species Diversity Water Plant Habitat Preference Habitat Differentiation 
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Copyright information

© Netherlands Hydrobiological Society 1981

Authors and Affiliations

  • C. Davids
    • 1
  • C. F. Heijnis
    • 1
  • J. E. Weekenstroo
    • 1
  1. 1.Department of Aquatic EcologyUniversity of AmsterdamAmsterdamthe Netherlands

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