1. Patch- and reach-scale dynamics of a macrophyte-invertebrate system in a New Zealand lowland stream

   • Kevin J. Collier
   • Paul D. Champion
   • Glenys F. Croker

   OriginalPaper Pages: 89 - 97

2. Leaf litter colonization by invertebrates in the littoral zone of a small oligotrophic lake

   • Richard J. Pope
   • Andrew M. Gordon
   • Narinder K. Kaushik

   OriginalPaper Pages: 99 - 112

3. Karyology and karyotype analysis of diploid freshwater planarian populations of the Dugesia gonocephala group (Platyhelminthes, Tricladida) found in Sardinia

   • Maria Pala
   • Salvatore Casu
   • Giacinta Stocchino

   OriginalPaper Pages: 113 - 120

4. Zebra mussel (Dreissena polymorpha) seasonal colonization patterns in a sub-tropical floodplain river

   • Timothy B. Mihuc
   • Juliann M. Battle
   • C. Fred Bryan

   OriginalPaper Pages: 121 - 128

5. Cladocera and Anostraca from the Interior Plateau of British Columbia, Canada, as paleolimnological indicators of salinity and lake level

   • D. G. Bos
   • B. F. Cumming
   • J. P. Smol

   OriginalPaper Pages: 129 - 141

6. Mussels as bioindicators of trace metal pollution in the Danube Delta of Romania

   • A. Jamil
   • K. Lajtha
   • C. Postolache

   OriginalPaper Pages: 143 - 158

7. The abundance and trophic biology of Clarias albopunctatus Nichols & LaMonte, 1953 (Osteichthyes: Clariidae) in a tropical floodriver basin

   • H. M. G. Ezenwaji

   OriginalPaper Pages: 159 - 168

8. Genetic structure of the Iberian chub, Leuciscus pyrenaicus, in the Tejo drainage

   • Rui Miguel Brito
   • Maria Manuela Coelho

   OriginalPaper Pages: 169 - 178

9. Spatial and ecological overlap between coexisting sexual and parthenogenetic Schmidtea polychroa (Tricladida; Platyhelminthes)

   • Rolf P. Weinzierl
   • Leo W. Beukeboom
   • Nicolaas K. Michiels

   OriginalPaper Pages: 179 - 185

10. Microclimate, developmental plasticity and community structure in artificial temporary pools

    • Leon Blaustein
    • Jessica E. Garb
    • Eviatar Nevo

    OriginalPaper Pages: 187 - 196

11. Comparative responses to severe hypoxia and subsequent recovery in closely related amphipod populations (Gammarus minus) from cave and surface habitats

    • Frédéric Hervant
    • Jacques Mathieu
    • David C. Culver

    OriginalPaper Pages: 197 - 204

12. In situ survival and growth of zebra mussels (Dreissena polymorpha) under chronic hypoxia in a stratified lake

    • Neng Yu
    • David A. Culver

    OriginalPaper Pages: 205 - 215

13. Some characteristics of a pike Esox lucius L. population in an Irish reservoir

    • W. Roche
    • M. O′Grady
    • J. J. Bracken

    OriginalPaper Pages: 217 - 223

14. Peregrinacarus reticulatus gen. nov. spec. nov., a freshwater halacarid mite (Acari, Halacaridae) from Marion Island

    • Ilse Bartsch

    OriginalPaper Pages: 225 - 232

15. Laboratory investigations on larval development, motility and settlement of white weed ( Sertularia cupressina L.) – in view of its assumed decrease in the Wadden Sea

    • Rüdiger Berghahn
    • Ulla Offermann

    OriginalPaper Pages: 233 - 239

16. A new member of the subgenus Sinobosmina Lieder, 1957: Bosmina tripurae sp. nov. (Crustacea, Cladocera) from India

    • Vladimír Kořínek
    • Ratan K. Saha
    • T. Bhattacharya

    OriginalPaper Pages: 241 - 247

17. The distribution patterns of dragonflies (Insecta: Odonata) along the Kiewa River, Australia, and their relevance in conservation assessment

    • J. H. Hawking
    • T. R. New

    OriginalPaper Pages: 249 - 260

18. Erratum — Sinodiaptomus sarsi (Rylov, 1923) (Copepoda, Calanoida) in Turkey

    • Ertunç Gündüz

    OriginalPaper Pages: 261 - 262