1. Composition, complexity, and tree mortality in riparian forests in the central Western Cascades of Oregon
2. S. A. Acker, C. B. Halpern, M. E. Harmon, and C. T. Dyrness .2002 .Trends in bole biomass accumulation, net primary production and tree mortality in Pseudotsuga menziesii forests of contrasting age .Tree Physiology,22:213 -217 .
3. S. A. Acker, M. E. Harmon, T. A. Spies, and W. A. McKee .1996 .Spatial patterns of tree mortality in an old-growthAbies-Pseudotsugastand .Northwest Science,70:132 -138 .
4. Development of old-growth structure and timber volume growth trends in maturing Douglas-fir stands