What is Ecological Design? Ecological design uses the legacy and intelligence of nature to solve human problems. The twelve principles of ecological design are applied to designing an eco machine: Twelve Principles of Ecological Design 1. Geological and Mineral Diversity Must Be Present Revolution Slider Error: The param Slider Width should not be empty. 2. Nutrient Reservoirs are Essential Revolution Slider Error: The param Slider Width should not be empty. 3. Steep Gradients Must be Engineered into the System Revolution Slider Error: The param Slider Width should not be empty. 4. High Rates of Exchange Must Be Created Revolution Slider Error: The param Slider Width should not be empty. 5. Periodic and Random Pulsed Exchanges Improve Performance Revolution Slider Error: The param Slider Width should not be empty. 6. Cellular Design is the Structural Model Revolution Slider Error: The param Slider Width should not be empty. 7. A Law of the Minimum Must be Incorporated Revolution Slider Error: The param Slider Width should not be empty. 8. Microbial Communities Must Be Introduced Revolution Slider Error: The param Slider Width should not be empty. 9. Photosynthetic Foundations are Essential Revolution Slider Error: The param Slider Width should not be empty. 10. Phylogenetic Diversity Must Be Encouraged Revolution Slider Error: The param Slider Width should not be empty. 11. Sequences and Repeated Seedings are Part of Maintenance Revolution Slider Error: The param Slider Width should not be empty. 12. Reflection of the Microcosmos is a Fundamental of Design Revolution Slider Error: The param Slider Width should not be empty.