Educational background: B.S., Wildlife Science, Texas A&M University, 1971 PhD, Biological Sciences, University of Michigan, 1979 Work background:  Present position: Emeritus Professor in Ecology, University of Montpellier, France (since September 2017)  Assistant professor, Zoologisches Institut, University of Basel (Switzerland) (1981-1985)  Associate Professor and Coordinator, Program in Tropical Biology, University of Miami, Department of Biology (1985-1994)  Professor in Ecology, University of Montpellier, France (1995-2017)