Publications

Resuspension in a Shallow Eutrophic Lake. A Test of the Metapopulation Model of the Species-Area Relationship. The Structural Connectivity Threshold: an Hypothesis in Conservation Biology at the Landscape Scale. Metapopulation Models for Extinction Threshold in Spatially Correlated Landscapes. Implications of the Effects of Trawling on Sessile Megazoobenthos on a Tropical Shelf in Northeastern Australia. The Impact of Pelagic Fish Behavior on Fisheries. On the Freshwater Forcing and Transport of the Atlantic Thermohaline Circulation. Easter Island: Historical Anecdote or Warning for the Future? Persistence of 2 Species of Gecko (Oedura-Reticulata and Gehyra-Variegata) in Remnant Habitat. Climatic Warming Causes Regime Shifts in Lake Food Webs. Fish and Nutrients Interplay Determines Algal Biomass - a Minimal Model. Implications of Spatial Heterogeneity for the Paradox of Enrichment. 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. Spatial Heterogeneity and Irreversible Vegetation Change in Semiarid Grazing Systems. Catastrophic vegetation shifts and soil degradation in terrestrial grazing systems. Ecosystem Dynamics and the Sahel Drought. Role of Vegetation Dynamics in Enhancing the Low-Frequency Variability of the Sahel Rainfall. Coexistence and Collapse: an Experimental Investigation of the Persistent Communities of a Protist Species Pool. Extinction and Spatial Structure in Simulation Models. Demographic Stochasticity Does Not Predict Persistence of Gecko Populations. Tree Clearing and Dryland Salinity Hazard in the Upper Burdekin Catchment of North Queensland. 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. Threshold Effects of Landscape Structure on Biological Control in Agroecosystems. The Response to Deforestation and Desertification in a Model of West African Monsoons. The Role of Vegetation in the Dynamics of West African Monsoons. Steppe-tundra transition: a herbivore-driven biome shift at the end of the pleistocene. 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. Management of Eutrophication for Lakes Subject to Potentially Irreversible Change. Multiple States in River and Lake Ecosystems. Seasonality and Chaos in a Plankton Fish Model. Persistent Unstable Equilibria and the Grace Period in Dynamic Models of Environmental Change. 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. Fish Manipulation as a Lake Restoration Tool in Shallow, Eutrophic, Temperate Lakes .2. Threshold Levels, Long-Term Stability and Conclusions. 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. 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. Ecological Resilience, Biodiversity, and Scale. The Effect of Aquatic Vegetation on Turbidity; How Important Are the Filter Feeders? Minimal Models of Top-Down Control of Phytoplankton. Is Trophic State or Regional Location the Strongest Determinant for Chl-a/Tp Relationships in Lakes? 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. Alternative attractors may boost uncertainty and sensitivity in ecological models Uncertainty in Discount Models and Environmental Accounting. Why Model? Dryland Salinity in South-Western Australia: Its Origins, Remedies, and Future Research Directions. Major Faults and the Development of Dryland Salinity in the Western Wheatbelt of Western Australia. A Fuzzy Logic Model to Predict Coral Reef Development Under Nutrient and Sediment Stress. Dealing with power games in a companion modelling process: Lessons from community water management in Thailand highlands. Modelling with stakeholders Modelling with stakeholders within a development project. Reflecting on the next generation of models for community-based natural resources management A companion modeling approach applied to fishery management Modelling Global Change: The Art of Integrated Assessment Modelling South Africa's Arid and Semiarid Rangelands: Why Are They Changing and Can They Be Restored? Stability Properties Of Semiarid Savannas In Southern African Game Reserves. Contrasting spatial patterns of taxonomic and functional richness offer insights into potential loss of ecosystem services On Multiple Solutions of the Atmosphere-Vegetation System in Present-Day Climate. Vegetation and Soil Feedbacks on the Response of the African Monsoon to Orbital Forcing in the Early to Middle Holocene. The Doubly Green Revolution: Food for All in the Twenty-First Century. Threats to Sustainability in Intensified Agricultural Systems: Analysis and Implications for Management. Coordinated Stasis or Coordinated Turnover? Exploring Intrinsic Vs Extrinsic Controls on Pattern. Sustainability, stability, and resilience. Is It Time to Bury the Ecosystem Concept? (With Full Military Honors of Course!). Resilience and stability of ecological systems Kelp forest ecosystem: biodiversity, stability, resilience and their future. Dynamics of Climate and Ecosystem Coupling: Abrupt Changes and Multiple Equilibria. Ecological thresholds: a survey. Catastrophic Shifts in Ecosystems. Degredation and Recovery in Socio-Ecological Systems. Seasonal Changes of Mechanisms Maintaining Clear Water in a Shallow Lake With Abundant Chara Vegetation. 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. Biomanipulation as an Application of Food-Chain Theory: Constraints, Synthesis, and Recommendations for Temperate Lakes. Catastrophes, Phase Shifts, and Large-Scale Degradation of a Caribbean Coral Reef. Reconstructing the Historical Changes in Daphnia Mean Size and Planktivorous Fish Abundance in Lakes From the Size of Daphnia Ephippia in the Sediment. 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. Lake and Catchment Management in Denmark. Summer Internal Phosphorus Supplies in Shagawa Lake, Minnesota. 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. Macroalgae, Nutrients and Phase Shifts on Coral Reefs: Scientific Issues and Management Consequences for the Great Barrier Reef. 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. Ecological Goods and Services of Coral Reef Ecosystems. 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. 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. 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. Distribution and Dynamics of Submerged Vegetation in a Chain of Shallow Eutrophic Lakes. Alternative Equilibria in Shallow Lakes. 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. The Sahel of Africa: Ecology of a Disaster. The Impact of Grazing Waterfowl on Submerged Macrophytes: in Situ Experiments in a Shallow Eutrophic Lake. Internal Phosphorus Loading in Shallow Danish Lakes. 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. 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. Managing Nutrient Fluxes and Pollution in the Baltic: an Interdisciplinary Simulation Study. 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? Experimental Policies for Water Management in the Everglades. The Relation Between Wave Exposure and Distribution of Emergent Vegetation in a Eutrophic Lake. Mechanisms Regulating Abundance of Submerged Vegetation in Shallow Eutrophic Lakes. Global and Local Threats to Coral Reef Functioning and Existence: Review and Predictions. Catastrophic Response of Lakes to Benthivorous Fish Introduction. The Baltic: The Sea of Surprises. In: Barriers and bridges to the renewal of ecosystems and institutuins. Biomanipulation in the Netherlands: 15 years of experience. Sea Otters and Kelp Forests in Alaska - Generality and Variation in a Community Ecological Paradigm. Sea otters: Their role in structuring nearshore communities. Nutrient Dynamics in Shallow Lakes - Effects of Changes in Loading and Role of Sediment-Water Interactions. A positive feedback in global warming based on reconstructed past dynamics. Resilience of NSW rangelands: a framework for analysing a complex adaptive ecosystem Grazing Management, Resilience, and the Dynamics of a Fire- Driven Rangeland System. Range Condition Assessment and the Concept of Thresholds - a Viewpoint. Shrub clumps of the Chilean matorral vegetation: structure and possible maintenance mechanisms. El Nino as a window of opportunity for the restoration of degraded arid ecosystems. Biodiversity, Resilience and the Control of Ecological-Economic Systems: the Case of Fire-Driven Rangelands. Desertification in Russia: Problems and Solutions (an Example in the Republic of Kalmykia-Khalmg Tangch). Stress, Disturbance and Change in Rangeland Ecosystems. Pastoralists' Responses to Variation of Rangeland Resource in time and space Riding the rangelands piggyback: a resilience approach to conservation management The Chemistry of Pedogenic Thresholds. Avoiding Ecological Surprise: Lessons from Long Standing Communities. Cultivation/Depensation Effects on Juvenile Survival and Recruitment: Implications for the Theory of Fishing. Ecological Thresholds: The Key to Successful Environmental Management or an Important Concept with No Practical Application? Taking stock after a decade: Does the thresholds of potential concern concept need a socio-ecological revamp? Variability in population abundance is associated with thresholds between scaling regimes Living dangerously on borrowed time during slow, unrecognized regime shifts Grazing management, resilience and the dynamics of a fire driven rangeland system How Important Is the Crustacean Plankton for the Maintenance of Water Clarity in Shallow Lakes With Abundant Submerged Vegetation? Grazing Effects on Patchy Dryland Vegetation in Northern Patagonia. El Nino Effects on the Dynamics of Terrestrial Ecosystems. Cascading Trophic Interactions in the Littoral Zone: an Enclosure Experiment in Shallow Lake Stigsholm, Denmark. Fish-Induced Changes in Zooplankton Grazing on Phytoplankton and Bacterioplankton: a Long-Term Study in Shallow Hypertrophic Lake Sobygaard. Desertification in Australia: an Eye to Grass Roots and Landscapes. Diversity and stability in ecosystem conservation. Archaeology - Tree Trail to Chaco Canyon. Why Societies Collapse: Jared Diamond at Princeton University. Understanding the Role of Sink Patches in Source-Sink Metapopulations: Reed Warbler in an Agricultural Landscape. The Aspects and the Role of Diversity in Socioeconomic Systems: an Evolutionary Perspective. Relationships Between Fisheries and the Integrity of River Systems. Issues of Sustainability and Sustainable Land Management. Ostrom, E. 1990. Governing the Commons: The Evolution of Institutions for Collective Action. The Collapse of Complex Societies. New Studies in Archaeology, Cambridge University Press. Resilience, adaptive capacity, and the "Lock-in Trap" of the Western Australian agricultural region. The top 100 questions of importance to the future of global agriculture Adaptation in agriculture: historic effects of heat waves and droughts on UK agriculture Regional Differences in Phosphorus Budgets in Intensive Soybean Agriculture Solutions for a cultivated planet Options for support to agriculture and food security under climate change