Bernard D PattenBernard C. Patten is Emeritus Regents' Professor of Ecology at the University of Georgia, USA. He is a systems ecologist and ecological modeler, interested in the application of mathematical system theory to ecosystems. He and his colleagues have forulated an environmental system theory, environ theory and analysis, that pioneers the application of network mathematics to ecological networks such as food webs and biogeochemical cycles. He has been a distinguished visiting professor, and has lectured and conducted short courses nationally and internationally. His research publications include 215 papers and nine books on topics spanning marine, freshwater and wetland ecosystems. His edited works include the four-volume series Systems Analysis and Simulation in Ecology (1972-76, Academic Press), two volumes on Wetlands and Shallow Continental Water Bodies (1990, 1994; SPB Academic), and Complex Ecology: The Part-Whole Relation in Ecosystems (1995, Prentice Hall). A multivolume monograph, Holoecology, The Unification of Nature by Network Indirect Effects, is currently in preparation. Read More Read Less