Phosphorus in Freshwater Ecosystems

0. Editors' Foreword.- 1. Introductory Lecture at the International Symposium 'Phosphorus in Freshwater Ecosystems', Uppsala, Sweden in October 1985.- 2. Phosphorus in Soil, Water and Sediment: An Overview.- 3. Background Yield of Phosphorus from Drainage Area and Atmosphere: An Empirical Approach.- 4. Analytical Determination of Orthophosphate in Water.- 5. Particulate and Dissolved Phosphorus Forms in Freshwater: Composition and Analysis.- 6. Phosphorus in Sediments - Speciation and Analysis.- 7. Phosphorus in Interstitial Water: Methods and Dynamics.- 8. Bioavailability of Different Phosphorus Forms in Freshwater Systems.- 9. Phosphatases; Origin, Characteristics and Function in Lakes.- 10. Phosphate Uptake and Utilization by Bacteria and Algae.- 11. Phosphorus as Growth-Regulating Factor Relative to other Environmental Factors in Cultured Algae.- 12. Phytoplankton Biomass and Production in Relation to Phosphorus: Some Conclusions from Field Studies.- 13. Exchange of Phosphorus Across the Sediment-Water Interface.- 14. Influence of Aquatic Macrophytes on Phosphorus Cycling in Lakes.- 15. The Influence of Animals on Phosphorus Cycling in Lake Ecosystems.- 16. Empirical and Theoretical Models of Phosphorus Loading, Retention and Concentration Vs. Lake Trophic State.- 17. Control of Phosphorus Discharges: Present Situation and Trends.- 18. Experiences with Reducing Point Sources of Phosphorus to Lakes.