Hypertrophic Ecosystems: S.I.L. Workshop on Hypertrophic Ecosystems held at Vaxjo, September 10–14, 1979

Front Matter....Pages i-xv
Front Matter....Pages xvii-xvii
The Summer Limnology of Lake Waahi, New Zealand....Pages 1-12
Identification of Different Phosphorus Forms and their Role in the Eutrophication Process of Lake Balaton....Pages 13-22
Metalimnetic Gradient and Phosphorus Loss from the Epilimnion in Stratified Eutrophic Lakes....Pages 23-27
The Influence of Sediments on Changed Phosphorus Loading to Hypertrophic L. Glumsø....Pages 29-36
The Cyanobacterium Microcystis Aeruginosa Kg. and the Nitrogen Cycle of the Hypertrophic Lake Brielle (The Netherlands)....Pages 37-43
Comparison of Hypertrophy on a Seasonal Scale in Dutch Inland Waters....Pages 45-55
Control of Undesirable Algae and Induction of Algal Successions in Hypertrophic Lake Ecosystems....Pages 57-65
Occurrence of Oscillatoria Agardhii and Some Related Species, a Survey....Pages 67-77
The Influence of Periodicity in Light Conditions, as Determined by the Trophic State of the Water, on the Growth of the Green Alga Scenedesmus Protuberans and the Cyanobacterium Oscillatoria Agardhii ....Pages 79-82
The Role of Microlayers in Controlling Phytoplankton Productivity....Pages 83-93
Short-Term Load-Response Relationships in Shallow, Polluted Lakes....Pages 95-103
The Importance of Trophic-Level Interactions to the Abundance and Species Composition of Algae in Lakes....Pages 105-116
Vegetation Changes in the Nutrient-Rich Shallow Lake Hjälstaviken....Pages 117-121
N 2 -Fixing Cyanobacteria: Why They Do Not Become Dominant in Dutch, Hypertrophic Lakes....Pages 123-130
Front Matter....Pages 131-131
Nitrate Overdose; Effects and Consequences....Pages 133-137
A Chemical Model to Describe Nutrient Dynamics in Lakes....Pages 139-149
Changes in Respiration and Anaerobic Nutrient Regeneration during the Transition Phase of Reservoir Development....Pages 151-158
Modelling Carbon and Phosphorus in a Small Hypertrophic North German Lake....Pages 159-169
An Algal Bloom Model as a Tool to Simulate Management Measures....Pages 171-178
Phosphorus Stability in a Hypereutrophic Lake....Pages 179-190
Front Matter....Pages 131-131
Structural and Functional Quantification in a Series of Hungarian Hypertrophic Shallow Lakes....Pages 191-202
Muddy Odour in Fish from Hypertrophic Waters....Pages 203-208
The Importance of Hydrologic Factors on the Relative Eutrophic Impacts of Point and Non-Point Pollution in a Reservoir....Pages 209-219
Environmental Constraints on Anabaena N 2- And CO 2 -Fixation: Effects of Hyperoxia and Phosphate Depletion on Blooms and Chemostat Cultures....Pages 221-229
Toxicity Fluctuations and Factors Determining Them....Pages 231-234
Stability and Multiple Steady States of Hypereutrophic Ecosystems....Pages 235-247
Front Matter....Pages 249-249
On the Role of Soil in the Maintenance of Fish Ponds’ Fertility....Pages 251-254
Fish as a Factor Controlling Water Quality in Ponds....Pages 255-261
The Role of Fishery Management in Counteracting Eutrophication Processes....Pages 263-269
Fish Production in Some Hypertrophic Ecosystems in South India....Pages 271-277
Front Matter....Pages 279-279
Enrichment and Recovery of a Malaysian Reservoir....Pages 281-285
Lake Treatment with Hydrogen Peroxide....Pages 287-294
Characterization of the Recovery Processes in Hypertrophic Lakes in Terms of Actual (Lake Water)- and Potential (Algal Assay) Chlorophyll....Pages 295-303
Morphometrically Conditioned Eutrophy and Its Amelioration in Some British Columbia Lakes....Pages 305-315
Hartbeespoort Dam: A Case Study of a Hypertrophic, Warm, Monomictic Impoundment....Pages 317-322
Cascade Reservoirs as a Method for Improving the Trophic State Downstream....Pages 323-327
Front Matter....Pages 329-329
Concluding Remarks....Pages 331-333
Front Matter....Pages 335-335
The Effect of Pig Manure and Mineral Fertilization on a Eutrophic Lake Ecosystem....Pages 337-337
Hypertrophy in Slow Flowing Rivers....Pages 338-338
CO 2 -Uptake as a Measure of Bacterial Production....Pages 339-342
Front Matter....Pages 335-335
Response of Shallow Hypertrophic Lakes to Reduced Nutrient Loading....Pages 343-343
Fish as a Regulator of Structure and Function in Eutrophic Lake Ecosystems....Pages 343-343
Algenbekämpfung Durch Zusatz Von Kalk- und Dolomithydrat....Pages 343-344
Possible Triggering Mechanisms for the Collapse of Aphanizomenon Flos-Aquae Blooms....Pages 344-344
Self-Purification and Respiration in Polysaprobic Area of Natural Flowing Waters Receiving Raw Domestic Sewage....Pages 344-344
Short-Circuit Metabolism in Highly Eutrophic Lakes—Relationship between Primary Production and Decomposition Rates....Pages 345-345
Heterotrophic Functions in the Freshwater Carbon Cycle....Pages 345-345
Effects of Temperature and Temperature-Nutrient Interactions on Phytoplankton Growth....Pages 346-346
Natural and Induced Sediment Rehabilitation in Hypertrophic Lakes....Pages 346-346
Aspects of Biological Competition between Stigeoclonium Tenue and Cladophora Glomerata , Two Filamentous Green Algae, Characteristic of Eutrophic Waters....Pages 347-347
Seasonal Succession and Standing Crop Determinations of the Epiphytic Algae in Two Hypertrophic Lakes....Pages 347-347
Nitrogen Transformations in Artificial Loaded Limnocorrals....Pages 347-348
Zur Quantitativen Bestimmung der Potentiellen Bioproduktion in Aquatischen Okosystemen Mittels Algentest....Pages 348-348