1. Department of Natural ResourcesCornell University Ithaca, New York USA
2. Biological StationUniversity of Michigan Pellston Michigan USA
3. Department of Ecology and Evolutionary BiologyUniversity of Michigan Ann Arbor Michigan USA
4. Geological Sciences DepartmentSalem State University Salem MA 01970 USA
5. Northern Research StationUSDA‐Forest Service Houghton Michigan USA
6. Department of Earth and Atmospheric SciencesCornell University Ithaca, New York USA
7. Department of Biological and Environmental EngineeringCornell University Ithaca, New York USA