Items where Author is "Wagner, Michael Ralph"

Kolb, Thomas E. and Fule, Peter Z. and Wagner, Michael R. and Covington, W. Wallace (2001) Six-year changes in mortality and crown condition of old-growth pondersoa pines in ecological restoration treatments at the G.A. Pearson Natural Area. In: Ponderosa pine ecosystems restoration and conservation: steps toward stewardship (RMRS-P-22), April 25-27, 2000, Flagstaff, AZ.

Kolb, T.E. and Wagner, M.R. and Covington, W.W. (1991) Forest health from different perspectives. Technical Report. USDA Forest Service, Fort Collins, US.

Wagner, Michael R. and Mathiasen, Robert L. (1985) Dwarf mistletoe-pandora moth interaction and its contribution to ponderosa pine mortality in Arizona. Western North American Naturalist, 45 (3). pp. 423-426. ISSN 1944-8341