skip page navigationOregon State University
Forestry:     Forest Engineering, Resources & Management | Forest Ecosystems & Society | Wood Science & Engineering
Department of Forest Science


David Harry
Robert L. Beschta

Emeritus Professor
Watershed Processes and Hydrology

231 Peavy Hall
Oregon State University
Corvallis, OR 97331
  • Office: 231 Peavy Hall
  • Phone: 541-737-4292
  • Fax: 541-737-1393
  • B.S., 1965, Colorado State University
  • M.S., 1967, Utah State University
  • Ph.D., 1974, University of Arizona
Hydrologic processes in forest and rangeland ecosystems, trophic cascades
  1. Beschta, R.L. and W.J. Ripple. In press. Large predators and trophic cascades in terrestrial ecosystems on the western United States. Bological Conservation.
  2. Beschta, R.L. and W.J. Ripple. In press. Recovering riparian plant communities with wolves in Northern Yellowstone, USA. Restoration Ecology. PDF
  3. Beschta, R.L. and W.J. Ripple. 2008. Wolves, trophic cascades, and rivers in the Olympic National Park, USA. Ecohydrology 1:118-130. PDF
  4. Halofsky, J.S., Ripple, W.J., and R.L. Beschta. 2008. Recoupling fire and aspen recruitment after wolf reintroduction in Yellowstone National Park, USA. Forest Ecology and Management 256:1004-1008.
  5. Ripple, W.J. and R.L. Beschta. 2008. Trophic cascades involving cougar, mule deer, and black oaks in Yosemite National Park. Biological Conservation 141:1249-1256.
  6. Beschta, R.L. and W.J. Ripple. 2007. Increased willow heights along northern Yellowstone's Blacktail Deer Creek following wolf reintroduction. Western North American Naturalist 67(4):613-617. PDF
  7. Beschta, R.L. and W.J. Ripple. 2007. Wolves, elk, and aspen in the winter range of Jasper National Park, Canada. Can. J. For. Res. 37:1873-1885. PDF
  8. Ripple, W.J. and R.L. Beschta. 2007. Hardwood tree decline following large carnivore loss in the Great Plains, USA. Front. Ecol. Environ. 5(5):241-246. PDF
  9. Ripple, W.J. and R.L. Beschta. 2007. Restoring Yellowstone's aspen with wolves. Biological Conservation. 138:514-519.
  10. Beschta, R.L. and W.J. Ripple. 2006. River channel dynamics following extirpation of wolves in northwestern Yellowstone National Park, USA. Earth. Surf. Process. Landforms 31:1525-1539. PDF
  11. Ripple, W.J. and R.L. Beschta. 2006. Linking a cougar decline, trophic cascade, and catastrophic regime shift in Zion National Park. Biological Conservation 133:397-408.
  12. Ripple, W.J. and R.L. Beschta. 2006. Linking wolves to willows via risk-sensitive foraging by ungulates in the northern yellowstone ecosystem. Forest Ecology and Management 230:96-106.
  13. Ripple, W.J. and R.L. Beschta. 2005. Linking wolves and plants: Aldo Leopold on trophic cascades. Bioscience 55(7):613-621. PDF
  14. Beschta, R.L. 2005. Reduced cottonwood recruitment following extirpation of wolves in Yellowstone's northern range. Ecology 86(2) pp. 391-403.
  15. Beschta, R.L., et. al. 2004. Postfire Management on Forested Public Lands of the Western United States. Conservation Biology 18:957-967. PDF
  16. Karr, J.R., Rhodes, J.J., Minshall, G.W., Hauer, F.R., Beschta, R.L., Frissell, C.A., and D.A. Perry. 2004. The effects of post fire salvage logging on aquatic ecosystems in the American west. Bioscience 54(11) pp.1029-1033.
  17. Ripple, W.J., and R.L. Beschta. 2004. Wolves and the Ecology of Fear: Can Predation Risk Structure Ecosystems? BioScience 54:755-766. PDF
  18. Ripple, W.J., and R.L. Beschta. 2004. Wolves, elk, willows, and trophic cascades in the upper Gallatin Range of Southwestern Montana, USA. Forest Ecology and Management 200:161-181.