1. The influence of riparian vegetation on the functional organization of four Hong Kong stream communities

   • David Dudgeon

   OriginalPaper Pages: 183 - 194

2. Faunal composition and biogeography of the calanoid copepods of West-Darfur, Sudan, with the description of Tropodiaptomus asimi n. sp.

   • H. J. Dumont
   • S. Maas

   OriginalPaper Pages: 195 - 203

3. Rotifers from Western Sudan

   • M. De Ridder

   OriginalPaper Pages: 205 - 209

4. Further characterization of two Artemia populations from Northern Greece: biometry, hatching characteristics, caloric content and fatty acid profiles

   • Theodore Abatzopoulos
   • Gherda Karamanlidis
   • Patrick Sorgeloos

   OriginalPaper Pages: 211 - 222

5. A proposal for modification of the Belgian biotic index method

   • L. Bervoets
   • B. Bruylants
   • R. Verheyen

   OriginalPaper Pages: 223 - 228

6. Biomass (dry weight and carbon content) of plankton crustacea from Broa reservoir (Sao Carlos, S.P.-Brazil) and its fluctuation across one year

   • T. Matsumura-Tundisi
   • A. C. Rietzler
   • J. G. Tundisi

   OriginalPaper Pages: 229 - 236

7. Long-term observations on Anabaena circinalis Rabenhorst (Cyanophyta)

   • Valerie May

   OriginalPaper Pages: 237 - 244

8. Production estimates of the dominant taxa of Chironomidae (Diptera) in the modified, River Widawka and the natural, River Grabia, Central Poland

   • Maria Grzybkowska

   OriginalPaper Pages: 245 - 259

9. Comparison of two gravity coring devices for sedimentation rate measurement by ²¹⁰Pb dating techniques

   • A. E. Nevissi
   • G. J. Shott
   • E. A. Crecelius

   OriginalPaper Pages: 261 - 269

10. Contents of volume 179, 1989

    Legacy Pages: 271 - 272

11. Author index, vol. 179, 1989

    Legacy Pages: 272 - 272