1. School of Wildlife, Fisheries and Conservation Biology, University of Maine, Orono, ME 04469
2. School of Biology and Ecology, University of Maine, Orono, ME 04469
3. Professor Emerita, School of Food and Agriculture and Cooperative Extension, University of Maine, Orono ME 04469
4. Associate Research Professor, School of Food and Agriculture, University of Maine, Orono, ME 04469
5. Professor Emeritus, School of Biology and Ecology, University of Maine, Orono, ME 04469