Publications

Changes in a Deep Lake Following Sewage Diversion - a Challenge to the Orthodoxy of External Phosphorus Control as a Restoration Strategy. Multiple States in River and Lake Ecosystems. Iron-Phosphorus Ratio in Surface Sediment as an Indicator of Phosphate Release From Aerobic Sediments in Shallow Lakes. Nitrogen Loss and Denitrification as Studied in Relation to Reductions in Nitrogen Loading in a Shallow, Hypertrophic Lake (Lake Sobygard, Denmark). Impact of Nutrients and Physical Factors on the Shift From Cyanobacterial to Chlorophyte Dominance in Shallow Danish Lakes. Can Simple Empirical Equations Describe the Seasonal Dynamics of Bacterioplankton in Lakes: an Eight-Year Study in Shallow Hypertrophic and Biologically Highly Dynamic Lake Sobygard, Denmark. Reconstructing the Historical Changes in Daphnia Mean Size and Planktivorous Fish Abundance in Lakes From the Size of Daphnia Ephippia in the Sediment. Fish Manipulation as a Lake Restoration Tool in Shallow, Eutrophic, Temperate Lakes .2. Threshold Levels, Long-Term Stability and Conclusions. Trophic Dynamics in Turbid and Clearwater Lakes With Special Emphasis on the Role of Zooplankton for Water Clarity. Trophic Structure, Species Richness and Biodiversity in Danish Lakes: Changes Along a Phosphorus Gradient. Changes in Nitrogen Retention in Shallow Eutrophic Lakes Following a Decline in Density of Cyprinids. Top-Down Control in Freshwater Lakes: the Role of Nutrient State, Submerged Macrophytes and Water Depth. Cascading Trophic Interactions From Fish to Bacteria and Nutrients After Reduced Sewage Loading: an 18-Year Study of a Shallow Hypertrophic Lake. Fish-Induced Changes in Zooplankton Grazing on Phytoplankton and Bacterioplankton: a Long-Term Study in Shallow Hypertrophic Lake Sobygaard. Does the Impact of Nutrients on the Biological Structure and Function of Brackish and Fresh-Water Lakes Differ. Nutrient Dynamics and Biological Structure in Shallow Fresh- Water and Brackish Lakes - Preface. Fish Manipulation as a Lake Restoration Tool in Shallow, Eutrophic Temperate Lakes .1. Cross-Analysis of 3 Danish Case- Studies. Interactions Between Phytoplankton, Zooplankton and Fish in a Shallow, Hypertrophic Lake - a Study of Phytoplankton Collapses in Lake Sobygard, Denmark. Resuspension in a Shallow Eutrophic Lake. Colonization of Submerged Macrophytes in Shallow Fish Manipulated Lake Vaeng - Impact of Sediment Composition and Waterfowl Grazing. Colonization and Succession of Submerged Macrophytes in Shallow Lake Vaeng During the 1st 5 Years Following Fish Manipulation. Biomanipulation in Shallow Lakes in the Netherlands: an Evaluation of 18 Case Studies. Effects of Biomanipulation in the Large and Shallow Lake Wolderwijd, the Netherlands. Primary Production in a Shallow Eutrophic Lake Dominated Alternately by Phytoplankton and by Submerged Macrophytes. The Art of Lake Restoration. Engineering and Biological Approaches to the Restoration From Eutrophication of Shallow Lakes in Which Aquatic Plant- Communities Are Important Components. Restoration of Two Lowland Lakes by Isolation From Nutrient-Rich Water Sources With and Without Removal of Sediment. Development of Daphnid Communities in Diatom-Dominated and Cyanophyte-Dominated Lakes and Their Relevance to Lake Restoration by Biomanipulation. Progressive Restoration of a Shallow Lake: a 12-Year Experiment in Isolation, Sediment Removal and Biomanipulation. Climatic Warming Causes Regime Shifts in Lake Food Webs. Fish and Nutrients Interplay Determines Algal Biomass - a Minimal Model. Multiplicity of Stable States in Fresh-Water Systems. Should We Expect Strange Attractors Behind Plankton Dynamics - and if So, Should We Bother. Megaplant - a Simulation-Model of the Dynamics of Submerged Plants. Implications of Spatial Heterogeneity for the Paradox of Enrichment. Distribution and Dynamics of Submerged Vegetation in a Chain of Shallow Eutrophic Lakes. Alternative Equilibria in Shallow Lakes. On the Dominance of Filamentous Cyanobacteria in Shallow, Turbid Lakes. Effects of Fish on Plankton Dynamics: a Theoretical Analysis. Seasonal Dynamics of Daphnia and Algae Explained as a Periodically Forced Predator-Prey System. Vegetated Areas With Clear Water in Turbid Shallow Lakes. Impact of Submerged Macrophytes on Fish-Zooplankton- Phytoplankton Interactions - Large-Scale Enclosure Experiments in a Shallow Eutrophic Lake. Is Trophic State or Regional Location the Strongest Determinant for Chl-a/Tp Relationships in Lakes? Phytoplankton Biomass Reduction After Planktivorous Fish Reduction in a Shallow, Eutrophic Lake - a Combined Effect of Reduced Internal P-Loading and Increased Zooplankton Grazing. 8 Years of Internal Phosphorus Loading and Changes in the Sediment Phosphorus Profile of Lake Sobygaard, Denmark. Phosphorus Release From Resuspended Sediment in the Shallow and Wind-Exposed Lake Arreso, Denmark. Phosphorus Fractions and Profiles in the Sediment of Shallow Danish Lakes as Related to Phosphorus Load, Sediment Composition and Lake Chemistry. Wave Exposure Related Growth of Epiphyton: Implications for the Distribution of Submerged Macrophytes in Eutrophic Lakes. The Role of Characean Algae in the Management of Eutrophic Shallow Lakes. Dynamics and Stability of Chara Sp and Potamogeton Pectinatus in a Shallow Lake Changing in Eutrophication Level. Dominance of Charophytes in Eutrophic Shallow Lakes - When Should We Expect It to Be an Alternative Stable State? The Relation Between Wave Exposure and Distribution of Emergent Vegetation in a Eutrophic Lake. Mechanisms Regulating Abundance of Submerged Vegetation in Shallow Eutrophic Lakes. Changes in the Aquatic Vegetation of 2 Gravel Pit Lakes After Reducing the Fish Population-Density. Catastrophic Response of Lakes to Benthivorous Fish Introduction. Biomanipulation in the Netherlands: 15 years of experience. Seasonal Changes of Mechanisms Maintaining Clear Water in a Shallow Lake With Abundant Chara Vegetation. Biomanipulation as an Application of Food-Chain Theory: Constraints, Synthesis, and Recommendations for Temperate Lakes. Empirical Evidence for North Pacific Regime Shifts in 1977 and 1989. Cascading Trophic Interactions in the Littoral Zone: an Enclosure Experiment in Shallow Lake Stigsholm, Denmark. Lake and Catchment Management in Denmark. Long-Term Responses to Fish-Stock Reduction in Small Shallow Lakes - Interpretation of 5-Year Results of 4 Biomanipulation Cases in the Netherlands and Denmark. Pike (Esox Lucius L) Stocking as a Biomanipulation Tool .2. Effects on Lower Trophic Levels in Lake Lyng, Denmark. Interactions Between Sediment and Water in a Shallow and Hypertrophic Lake - a Study on Phytoplankton Collapses in Lake Sobygard, Denmark. Summer Internal Phosphorus Supplies in Shagawa Lake, Minnesota. The Effect of Aquatic Vegetation on Turbidity; How Important Are the Filter Feeders? The Impact of Grazing Waterfowl on Submerged Macrophytes: in Situ Experiments in a Shallow Eutrophic Lake. Internal Phosphorus Loading in Shallow Danish Lakes. Managing Nutrient Fluxes and Pollution in the Baltic: an Interdisciplinary Simulation Study. The Baltic: The Sea of Surprises. In: Barriers and bridges to the renewal of ecosystems and institutuins. Phytoplankton community composition can be predicted best in terms of morphological groups Ambiguous climate impacts on the competition between submerged macrophytes and phytoplankton in shallow lakes Phytoplankton species predictability increases towards warmer regions Differences in the ecology of wet-dug and dry-dug gravel pit lakes. Life After Death in Lake Erie: Nutrient Controls Drive Fish Species Richness, Rehabilitation. Mass Mortality of the Tropical Seagrass Thalassia-Testudinum in Florida Bay (USA). Pike (Esox Lucius L) Stocking as a Biomanipulation Tool .1. Effects on the Fish Population in Lake Lyng, Denmark. Integrating Salmon, Trees and People: Watershed Management: Balancing Sustainability and Environmental Change. The Costs of Eutrophication From Salmon Farming - Implications for Policy. Effects of Interdecadal Climate Variability on the Oceanic Ecosystems of the Ne Pacific. Top-Down Control of Cyanobacteria: a Theoretical Analysis. Collapse and Recovery of Marine Fishes. What Can Be Learned From the Collapse of a Renewable Resource - Atlantic Cod, Gadus-Morhua, of Newfoundland and Labrador. Implications of the Effects of Trawling on Sessile Megazoobenthos on a Tropical Shelf in Northeastern Australia. The Impact of Pelagic Fish Behavior on Fisheries. Middle Paleozoic Extinction Events - Faunal and Isotopic Data. Cultivation/Depensation Effects on Juvenile Survival and Recruitment: Implications for the Theory of Fishing. Relationships Between Fisheries and the Integrity of River Systems. Discovery of Fish Mortality Horizon at the K-T Boundary on Seymour Island: Re-Evaluation of Events at the End of the Cretaceous. Mass Mortalities and Mass Extinction. The impact of low-head dams on fish species richness in Wisconsin, USA. Recovery of the Macrozoobenthic Community of the Comacchio Lagoon System (Northern Adriatic Sea). Overview of Hypoxia Around the World. Epilithic Biomass and Metabolism in a North Iberian Stream. A Long-Term Perspective on the Chrysochromulina Bloom on the Norwegian Skagerrak Coast 1988: a Catastrophe or an Innocent Incident? Changes in the Abundance and Composition of Cyclopoid Copepods Following Fish Manipulation in Eutrophic Lake Vaeng, Denmark. Trophic Web Structure in a Shallow Eutrophic Lake During a Dominance Shift From Phytoplankton to Submerged Macrophytes. Catastrophes, Phase Shifts, and Large-Scale Degradation of a Caribbean Coral Reef. Nutrient Dynamics in Shallow Lakes - Effects of Changes in Loading and Role of Sediment-Water Interactions. Uncertainty in Discount Models and Environmental Accounting Eutrophication of aquatic ecosystems: Bistability and soil phosphorus. Eutrophication due to phosphorus recycling in relation to lake morphometry, temperature and macrophytes. Is there evidence of a Great Acceleration in lake eutrophication? Biological diversity and resilience: lessons from the recovery of cichlid species in Lake Victoria Conservation of a transboundary lake: Historical watershed and paleolimnological analyses can inform management strategies The Uses of Ecology: Lake Washington and Beyond. Management of Eutrophication for Lakes Subject to Potentially Irreversible Change. Macroalgae, Nutrients and Phase Shifts on Coral Reefs: Scientific Issues and Management Consequences for the Great Barrier Reef. A Fuzzy Logic Model to Predict Coral Reef Development Under Nutrient and Sediment Stress. Ecological Goods and Services of Coral Reef Ecosystems. Effects on Nutrients and Hydroperiod on Typha, Cladium, and Eleocharis: Implications for Everglades Restoration. Spatial Resilience of Coral Reefs. Coral Reef Disturbance and Resilience in a Human-Dominated Environment. Corals and Phase Shifts. Alternate Stable States and Threshold Effects in Semi-Arid Grazing Systems. The Sahel of Africa: Ecology of a Disaster. Experimental Policies for Water Management in the Everglades. Coexistence and Collapse: an Experimental Investigation of the Persistent Communities of a Protist Species Pool. Global and Local Threats to Coral Reef Functioning and Existence: Review and Predictions. Steppe-tundra transition: a herbivore-driven biome shift at the end of the pleistocene. Threats to Sustainability in Intensified Agricultural Systems: Analysis and Implications for Management. Hurricane Damage to a Hawaiian Forest: Nutrient Supply Rate Affects Resistance and Resilience. Factors Influencing Cattail Abundance in the Northern Everglades. Phosphorus and land-use changes are significant drivers of Cladoceran community composition and diversity: An analysis over spatial and temporal scales. Reconsideration of the planetary boundary for phosphorus Too much or not enough: Agronomic phosphorus balances across the world's croplands Environmental and social predictors of phosphorus in urban streams on the island of Montreal, Québec Regional Differences in Phosphorus Budgets in Intensive Soybean Agriculture The role of diet in phosphorus demand Embodied phosphorus and the global connections of United States agriculture Phosphorus cycle: A broken biogeochemical cycle Ecological and social dynamics in simple models of ecosystem managment Ecological and Social Dynamics in Simple Models of Ecosystem Management. Coping With Collapse: Ecological and Social Dynamics in Ecosystem Management. Seasonality and Chaos in a Plankton Fish Model. Persistent Unstable Equilibria and the Grace Period in Dynamic Models of Environmental Change. Assessing the Role of Deep Rooted Vegetation in the Climate System With Model Simulations: Mechanism, Comparison to Observations and Implications for Amazonian Deforestation. Deep-Rooted Vegetation, Amazonian Deforestation, and Climate: Results From a Modelling Study. Metapopulation Models for Extinction Threshold in Spatially Correlated Landscapes. Ecological Resilience, Biodiversity, and Scale. Persistence of 2 Species of Gecko (Oedura-Reticulata and Gehyra-Variegata) in Remnant Habitat. Multispecies Cropping Systems in India - Predictions of Their Productivity, Stability, Resilience and Ecological Sustainability. Rangeland Ecology - Understanding and Managing Change. Resilience of an Australian Savanna Grassland to Selective and Non-Selective Perturbations. Stability of semiarid svanna grazing systems. Extinction and Spatial Structure in Simulation Models. Demographic Stochasticity Does Not Predict Persistence of Gecko Populations. A Universal Law of the Characteristic Return Time Near Thresholds. Critical Thresholds in Species Responses to Landscape Structure. Dispersal Success on Fractal Landscapes: a Consequence of Lacunarity Thresholds. Extinction Thresholds for Species in Fractal Landscapes. Alternative attractors may boost uncertainty and sensitivity in ecological models Uncertainty in Discount Models and Environmental Accounting. Why Model? Two General Metapopulation Models and the Core-Satellite Species Hypothesis. Extinction Debt at Extinction Threshold. Multiple Equilibria in Metapopulation Dynamics. Implications of spatial heterogeneity for regime shifts in ecosystems. Escaping the flames: large termitaria as refugia from fire in miombo woodland