1. Editors' foreword

   EditorialNotes Pages: 1 - 7

2. Introductory lecture at the international symposium ‘phosphorus in freshwater ecosystems’, Uppsala, Sweden in October 1985

   • Joseph Shapiro

   OriginalPaper Pages: 9 - 17

3. Phosphorus in soil, water and sediment: an overview

   • H. Holtan
   • L. Kamp-Nielsen
   • A. O. Stuanes

   OriginalPaper Pages: 19 - 34

4. Background yield of phosphorus from drainage area and atmosphere: An empirical approach

   • Thorsten Ahl

   OriginalPaper Pages: 35 - 44

5. Analytical determination of orthophosphate in water

   • Ola Broberg
   • Kurt Pettersson

   OriginalPaper Pages: 45 - 59

6. Particulate and dissolved phosphorus forms in freshwater: composition and analysis

   • Ola Broberg
   • Gunnar Persson

   OriginalPaper Pages: 61 - 90

7. Phosphorus in sediments — speciation and analysis

   • Kurt Pettersson
   • Bengt Boström
   • Ole-Stig Jacobsen

   OriginalPaper Pages: 91 - 101

8. Phosphorus in interstitial water: methods and dynamics

   • Magnus Enell
   • Stefan Löfgren

   OriginalPaper Pages: 103 - 132

9. Bioavailability of different phosphorus forms in freshwater systems

   • Bengt Boström
   • Gunnar Persson
   • Brita Broberg

   OriginalPaper Pages: 133 - 155

10. Phosphatases; origin, characteristics and function in lakes

    • Mats Jansson
    • Håkan Olsson
    • Kurt Pettersson

    OriginalPaper Pages: 157 - 175

11. Phosphate uptake and utilization by bacteria and algae

    • Mats Jansson

    OriginalPaper Pages: 177 - 189

12. Phosphorus as growth-regulating factor relative to other environmental factors in cultured algae

    • Gunnel Ahlgren

    OriginalPaper Pages: 191 - 210

13. Phytoplankton biomass and production in relation to phosphorus

    • Ulf Heyman
    • Alf Lundgren

    OriginalPaper Pages: 211 - 227

14. Exchange of phosphorus across the sediment-water interface

    • Bengt Boström
    • Jens M. Andersen
    • Mats Jansson

    OriginalPaper Pages: 229 - 244

15. Influence of aquatic macrophytes on phosphorus cycling in lakes

    • Wilhelm Granéli
    • Doris Solander

    OriginalPaper Pages: 245 - 266

16. The influence of animals on phosphorus cycling in lake ecosystems

    • Gunnar Andersson
    • Wilhelm Granéli
    • Jan Stenson

    OriginalPaper Pages: 267 - 284

17. Empirical and theoretical models of phosphorus loading, retention and concentration vs. lake trophic state

    • Ingemar Ahlgren
    • Tom Frisk
    • Lars Kamp-Nielsen

    OriginalPaper Pages: 285 - 303

18. Control of phosphorus discharges: present situation and trends

    • Peter Balmér
    • Bengt Hultman

    OriginalPaper Pages: 305 - 319

19. Experiences with reducing point sources of phosphorus to lakes

    • Peter Cullen
    • Curt Forsberg

    OriginalPaper Pages: 321 - 336

20. Subject index

    Legacy Pages: 337 - 337