Technical Reports

Waller, D.M., S. Johnson, R. Collins, E. Williams. 2009. Threats posed by ungulate herbivory to forest structure and plant diversity in the Upper Great Lakes Region with a review of methods to assess those threats. National Resource Report NPS/GLKN/NRR-2009/102. National Park Service, Fort Collins, CO. 57 pp.

Johnson, S. E., E.L. Mudrak, and D.M. Waller. 2006. A comparison of sampling methodologies for long-term forest vegetation montioring in the Great Lakes Network National Parks. National Park Service, Great Lakes Inventory and Monitoring Network, Ashland, WI. 54806. Great Lakes Network Technical Report: GLKN/2006/08. 140 pp.