1. Preface

   OriginalPaper Pages: vii - viii

2. Re-assessment of Wundsch's (1940) ‘H₂S-Oscillatoria-Lake’ type using the eutrophic Lake Scharmützel (Brandenburg, NE Germany) as an example

   • Andreas Kleeberg

   OriginalPaper Pages: 1 - 5

3. Contribution to the knowledge of Thai microfauna diversity: notes on rare peat swamp Rotifera, with the description of a new Lecane Nitzsch, 1872

   • S. Chittapun
   • P. Pholpunthin
   • H. Segers

   OriginalPaper Pages: 7 - 12

4. Spatial and seasonal variability of the macro-invertebrate community of a rocky coast in Mallorca (Balearic Islands): implications for bioerosion

   • M. Palmer
   • J. J. Fornós
   • G. Villanueva

   OriginalPaper Pages: 13 - 21

5. Biomass, protein- and carbohydrate-composition of phytoplankton in Varna Bay, Black Sea

   • Snejana Moncheva
   • Shela Gorinstein
   • Simon Trakhtenberg

   OriginalPaper Pages: 23 - 28

6. Denitrification in the periphyton associated with plant shoots and in the sediment of a wetland system supplied with sewage treatment plant effluent

   • Sylvia Toet
   • Lucy H. F. A. Huibers
   • Jos T. A. Verhoeven

   OriginalPaper Pages: 29 - 44

7. Responses of the planktonic diatom Asterionella formosa Hassall to abiotic environmental factors in a reservoir complex (south-eastern France)

   • C. Bertrand
   • S. Fayolle
   • A. Cazaubon

   OriginalPaper Pages: 45 - 58

8. Ichthyoplankton distribution off the Peninsula de Mejillones, Chile (23^° S, 71^° W), under variable hydrographic conditions during the austral summer and winter of the 1997 El Niño

   • Laura Rodríguez-Graña
   • Leonardo R. Castro

   OriginalPaper Pages: 59 - 73

9. Interactions among epilimnetic phosphorus, phytoplankton biomass and bacterioplankton metabolism in lakes of varying submerged macrophyte cover

   • Neil Rooney
   • Jacob Kalff

   OriginalPaper Pages: 75 - 81

10. Sublethal predation on Stylaria lacustris: a study of regenerative capabilities

    • Anita Kaliszewicz

    OriginalPaper Pages: 83 - 92

11. Diatom viability in insect fecal material: comparison between two species, Achnanthidium lanceolatum and Synedra ulna

    • Christopher G. Peterson
    • Tracy L. Jones

    OriginalPaper Pages: 93 - 99

12. Fecal pellet production between molts in a cyclopoid copepod: patterns, individual variability and implications for growth and development

    • Wataru Makino
    • Syuhei Ban

    OriginalPaper Pages: 101 - 107

13. Allelopathic activity of Chara aspera

    • Johanna Berger
    • Michael Schagerl

    OriginalPaper Pages: 109 - 115

14. Identification of linear and threshold responses in streams along a gradient of urbanization in Anchorage, Alaska^*

    • R. T. Ourso
    • S. A. Frenzel

    OriginalPaper Pages: 117 - 131

15. SEM morphological observations on Artemiopsis stefanssoni Johansen, 1921 (Crustacea, Anostraca)

    • Graziella Mura

    OriginalPaper Pages: 133 - 137

16. Release of planula larvae, settlement and development of Siderastrea stellata Verrill, 1868 (Anthozoa, Scleractinia)

    • Elizabeth G. Neves
    • Fábio L. da Silveira

    OriginalPaper Pages: 139 - 147

17. Field biology of Halimeda tuna (Bryopsidales, Chlorophyta) across a depth gradient: comparative growth, survivorship, recruitment, and reproduction

    • Peter S. Vroom
    • Celia M. Smith
    • Jennifer E. Smith

    OriginalPaper Pages: 149 - 166

18. Diversity of aquatic hyphomycetes in the aquatic ecosystems of the Western Ghats of India

    • M. Rajashekhar
    • K. M. Kaveriappa

    OriginalPaper Pages: 167 - 177

19. Freshwater bryozoans (Bryozoa) of Norway IV: Distribution and ecology of four species of Plumatella with notes on Hyalinella punctata

    • Karen Anna Økland
    • Jan Økland
    • Jos. A. Massard

    OriginalPaper Pages: 179 - 198

20. Biomonitoring of trace metal contamination in mangrove-lined Brazilian coastal systems using the oyster Crassostrea rhizophorae: comparative study of regions affected by oil, salt pond and shrimp farming activities

    • C. A. R. Silva
    • P. S. Rainbow
    • B. D. Smith

    OriginalPaper Pages: 199 - 206

21. Spatial and seasonal variation of macroalgal biomass in Laguna Ojo de Liebre, Baja California Sur, Mexico

    • R. N. Aguila Ramírez
    • M. Casas Valdez
    • M. B. Cruz Ayala

    OriginalPaper Pages: 207 - 214

22. Exposure to chemicals exuded by fish reduces the filtration and ingestion rates of Ceriodaphnia cf. dubia

    • Rebecca M. Rose
    • Michael St. J. Warne
    • Richard P. Lim

    OriginalPaper Pages: 215 - 217

23. Sinking properties of some phytoplankton shapes and the relation of form resistance to morphological diversity of plankton — an experimental study

    • Judith Padisák
    • Éva Soróczki-Pintér
    • Zsuzsanna Rezner

    Erratum Pages: 219 - 219