1. Akima Systems Engineers, Under Contract to the US Geological Survey Kearneysville West Virginia USA
2. Department of Biological Sciences State University of New York‐Oswego Oswego New York USA
3. Environmental Research and Consulting, Inc Lewes Delaware USA
4. US Geological Survey Eastern Ecological Science Center Kearneysville West Virginia USA
5. Delaware Division of Fish and Wildlife Dover Delaware USA
6. Department of Agriculture and Natural Resources Delaware State University Dover Delaware USA