Harrington, T. C.
McNew, D. L.
Funding for this research was provided by:
U.S. Forest Service (XX)
Article History
Received: 20 August 2017
Accepted: 12 December 2017
First Online: 18 December 2017
Conflict of interest
: Thomas C. Harrington and Douglas L. McNew declare that they have no conflict of interests.