Field Notes on Science and Nature A Book by Michael R. Canfield www.hup.harvard.edu An endless living worldWhy Sketch?Letters to the FutureOne and a Half Cheers for List-KeepingLinking Researchers Across Generations+8 More The Student, The Fish, and Agassiz
Each element performs many functions Each element in the system should be chosen and placed so that it performs as many functions as possible. Bill Mollison, Introduction to Permaculture The multiplicity of living patterns function