Issues. - 1. Why Link Species and Ecosystems? A Perspective from Ecosystem Ecology. - 2. Organisms and Species as Complex Adaptive Systems: Linking the Biology of Populations with the Physics of Ecosystems. - Scope. - 3. Bioturbators as Ecosystem Engineers: Control of the Sediment Fabric Inter-Individual Interactions and Material Fluxes. - 4. Biogeochemical Processes and Marine Benthic Community Structure: Which Follows Which?. - 5. Marine Snow: What it is and How it Affects Ecosystem Functioning. - 6. Floods Food Chains and Ecosystem Processes in Rivers. - 7. Population Variability in Experimental Ecosystems. - 8. How Important are Consumer Species to Ecosystem Functioning?. - 9. Linking Tree Population Dynamics and Forest Ecosystem Processes. - 10. Soil Organisms as Engineers: Microsite Modulation of Macroscale Processes. - 11. Soil Fauna: Linking Different Levels of the Ecological Hierarchy. - 12. Beaver as Engineers: Influences on Biotic and Abiotic Characteristics of Drainage Basins. - 13. Atmospheric Oxygen and the Biosphere. - Approaches. - 14. Linking Species and Ecosystems: Organisms as Ecosystem Engineers. - 15. Top-Level Carnivores and Ecosystem Effects: Questions and Approaches. - 16. Food Webs in Soil: An Interface Between Population and Ecosystem Ecology. - 17. Unifying Ecological Subdisciplines with Ecosystem Food Webs. - 18. Coupling the Dynamics of Species and Materials. - 19. Exploring Aggregation in Space and Time. - 20. Aggregation of Species Properties for Biogeochemical Modeling: Empirical Results. - 21. Functional Redundancy and Process Aggregation: Linking Ecosystems to Species. - 22. Species Compensation and Complementarity in Ecosystem Function. - 23. Elemental Stoichiometry of Species in Ecosystems. - 24. Species Nitrogen and Grassland Dynamics: The Constraints of Stuff. - 25. Relationships between the Energetics of Species and Large-Scale Species Richness. - 26. Linking Species and Ecosystems: Where's Darwin?. - 27. Ecological Flow Chains and Ecological Systems: Concepts for Linking Species and Ecosystem Perspectives. - Context. - 28. The Relevance of Ecology: The Societal Context and Disciplinary Implications of Linkages Across Levels of Ecological Organization. - 29. Linking Species and Ecosystems Through Training of Students. - 30. Linking Species and Communities to Ecosystem Management: A Perspective from the Experimental Lakes Experience. - 31. Why Link Species Conservation Environmental Protection and Resource Management?. - References. Language: English