Oikos Forum is a place where ecological ideas can be kicked around and examined from new angles. Forum papers bring together multiple fields, push boundaries, and offer new ways of interpreting existing data. They should strive for conceptual unification and serve as a point of departure for future work rather than simply summarizing previous bodies of theory and data. Through the Forum we seek to challenge current thinking on ecological issues and provide a high level of synthesis in the field of ecology. Submit a Forum paper to Oikos!