1. Characteristics of softwater streams in Rhode Island. I. A comparative analysis of physical and chemical variables

   • JoAnn M. Burkholder
   • Robert G. Sheath

   OriginalPaper Pages: 97 - 108

2. Characteristics of softwater streams in Rhode Island II. Composition and seasonal dynamics of macroalgal communities

   • Robert G. Sheath
   • JoAnn M. Burkholder

   OriginalPaper Pages: 109 - 118

3. Content and turnover rates of phosphorus in Daphnia pulex: Effect of food quality

   • John T. Lehman
   • Trajče Naumoski

   OriginalPaper Pages: 119 - 125

4. Microbial colonization of seston and free bacteria in an impounded river

   • Penelope F. Kondratieff
   • George M. Simmons Jr.

   OriginalPaper Pages: 127 - 133

5. Microbial manganese oxidation and nitrification in relation to the occurrence of macrophyte roots in a lacustrine sediment

   • Paul E. Kepkay

   OriginalPaper Pages: 135 - 142

6. Photosynthetic response of Prorocentrum mariae-lebouriae (Dinophyceae) to different spectral qualities, irradiances, and temperatures

   • Hugo Vogel
   • J. C. Sager

   OriginalPaper Pages: 143 - 153

7. Distribution of zinc-tolerant bacteria in stream sediments

   • Sally G. Hornor
   • Beth A. Hilt

   OriginalPaper Pages: 155 - 160

8. Evolution saisonniere du zooplancton dans trois sites peu profonds de Thau, une lagune Nord-Mediterraneenne

   • T. Lam Hai

   OriginalPaper Pages: 161 - 174

9. Caesium-137 and lead-210 dating of recent sediments from Mondsee (Austria)

   • K. Irlweck
   • D. L. Danielopol

   OriginalPaper Pages: 175 - 185

10. Uptake of free amino acids by the diatom, Melosira mediocris

    • Lu Ming
    • Grover C. Stephens

    OriginalPaper Pages: 187 - 191

11. Erratum

    Erratum Pages: 192 - 192