1. Introduction

   • Max M. Tilzer

   EditorialNotes Pages: 85 - 87

2. Effects of bottle size in determinations of primary productivity by phytoplankton

   • G. E. Fogg
   • O. Calvario-Martinez

   OriginalPaper Pages: 89 - 94

3. Light and dark uptake and loss of ¹⁴C: methodological problems with productivity measurements in oceanic waters

   • Graham P. Harris
   • F. Brian Griffiths
   • David P. Thomas

   OriginalPaper Pages: 95 - 105

4. Relationship between photosynthetic and respiratory carbon metabolism in freshwater phytoplankton

   • Alan W. Groeger
   • Bruce L. Kimmel

   OriginalPaper Pages: 107 - 117

5. Protein synthesis: a measure of growth for lake plankton

   • D. R. S. Lean
   • R. L. Cuhel
   • M. N. Charlton

   OriginalPaper Pages: 119 - 126

6. The contribution of phytoplankton productivity in turbid freshwaters to their trophic status

   • Johan U. Grobbelaar

   OriginalPaper Pages: 127 - 133

7. Distinction between light-mediated and light-independent variations in phytoplankton production rates

   • Max M. Tilzer

   OriginalPaper Pages: 135 - 140

8. Bacterial metabolism of algal extracellular carbon

   • Michael F. Coveney
   • Robert G. Wetzel

   OriginalPaper Pages: 141 - 149

9. Algal picoplankton production and contribution to food-webs in oligotrophic British Columbia lakes

   • J. G. Stockner
   • K. S. Shortreed

   OriginalPaper Pages: 151 - 166