Marshall KN, Cooper DJ, Hobbs NT (2014) Interactions among herbivory, climate, topography, and plant age shape riparian willow dynamics in northern Yellowstone National Park, USA. Journal of Ecology 102(3): 667-677.


Marshall, K. N., Thompson Hobbs, N. & Cooper, D. J. 2013. Stream hydrology limits recovery of riparian ecosystems after wolf reintroduction. Proceedings of the Royal Society B: Biological Sciences, 280.


Johnston DB, Cooper D, Hobbs N. 2011. Relationships between groundwater use, water table, and recovery of willow on Yellowstone’s northern range. Ecosphere 2, 1–11.


Bilyeu, D.M., D.J. Cooper, and N.T. Hobbs. 2008. Water tables constrain height recovery of willow on Yellowstone’s northern range. Ecological Applications 18: 8092.


Bilyeu D.M., D.J. Cooper, and N.T. Hobbs NT. 2007. Assessing impacts of large herbivores on shrubs: tests of scaling factors for utilization rates from shoot-level measurements.  Journal of Applied Ecology 44:168-175.


Johnston D.B., D.J. Cooper, and N.T. Hobbs NT. 2007. Elk browsing increases aboveground growth of water-stressed willows by modifying plant architecture. Oecologia 154: 467-478.


Wolf, E. C., D. J. Cooper, and N. T. Hobbs. 2007. Hydrologic regime and herbivory stabilize an alternative state in Yellowstone National Park. Ecological Applications 17:15721587.