OREGON STATE UNIVERSITY

Beschta, Robert

Professor Emeritus

Office Location: 
Pvy 231
Phone: 
541-737-4292
Fax: 
541-737-1393
Email Address: 
Specialty: 

Hydrologic effects, watershed processes, riparian areas, trophic cascades

Educational Background: 
  • B.S., 1965, Colorado State University
  • M.S., 1967, Utah State University
  • Ph.D., 1974, University of Arizona
Research Interests: 

Hydrologic processes in forest and rangeland ecosystems, trophic cascades

Selected Publications: 
  1. Beschta, R.L., J.B. Kauffman, D.S. Dobkin,and L.M. Ellsworth. 2014. Long-term livestock grazing alters aspen age structure in the northwestern Great Basin. Forest Ecology and Management 329: 30-36. PDF
  2. Beschta, R., and W.J. Ripple. 2014. Divergent patterns of riparian cottonwood recovery after the return of wolves in Yellowstone, USA. Ecohydrology DOI: 10.1002/eco.1487 PDF
  3. Painter, L.E, R.L. Beschta, E.J. Larsen, and W.J. Ripple. 2014. After long-term decline, are aspen recovering in northern Yellowstone? Forest Ecology and Management 329: 108-117. PDF
  4. Painter, L.E, R.L. Beschta, E.J. Larsen, and W.J. Ripple. 2014. Recovering aspen follow changing elk dynamics in Yellowstone: evidence of a trophic cascade? Ecology dx.doi.org/10.1890/14-0712.1. PDF
  5. Ripple, W.J., J.A. Estes, R.L. Beschta, and others. 2014. Status and Ecological Effects of the World's Largest Carnivores Science 343(6167). view online
  6. Ripple, W.J., Beschta, R.L., Fortin, J.K. and C.T. Robbins. 2013. Trophic cascades from wolves to grizzly bears in Yellowstone. Journal of Animal Ecology doi: 10.1111/1365-2656.12123. PDF
  7. Beschta, R.L., D.L. Donahue, D.A. DellaSala, J.J. Rhodes, J.R. Karr, M.H. O’Brien, T.L. Fleischner, C. Deacon Williams. 2012. Adapting to climate change on western public lands: addressing the ecological effects of domestic, wild, and feral ungulates. Environmental Management DOI 10.1007/s00267-012-9964-9. PDF
  8. Beschta, R.L. and W.J. Ripple. 2012 The role of large predators in maintaining riparian plant communities and river morphology. Geomorphology 157-158: 88-98. PDF
  9. Beschta, R.L. and W.J. Ripple. 2012. Berry-producing shrub characteristics following wolf reintroduction in Yellowstone National Park. Forest Ecology and Management 276: 132-138. PDF
  10. Ripple, W.J. and R.L. Beschta. 2012. Large predators limit herbivore densities in northern forest ecosystems Eur J Wildl Res DOI 10.1007/s10344-012-0623-5. PDF
  11. Ripple, W.J. and R.L. Beschta. 2011. Trophic cascades in Yellowstone: The first 15 years after wolf reintroduction. Biological Conservation 145: 205-213. PDF
  12. Beschta, R.L. and W.J. Ripple. 2011. Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade. Comment Ecology. doi:10.1890/11-0063.1. PDF
  13. Ripple, W.J., A.J. Wirsing, R.L. Beschta, and S.W. Buskirk. 2011. Can Restoring Wolves Aid in Lynx Recovery? Wildlife Society Bulletin 35: 514-518. PDF
  14. Ripple, W.J, L.E. Painter, R.L. Beschta, and C.C. Gates. 2010. Wolves, Elk, Bison, and Secondary Trophic Cascades in Yellowstone National Park. The Open Ecology Journal 3: 31-37. PDF
  15. Beschta, R.L., and W.J. Ripple. 2010. Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade? Forest Ecology and Management 260: 915-922. PDF
  16. Swanson, M.E., J.F. Franklin, R.L. Beschta, C.M. Crisafulli, D.A. DellaSalla, R.L. Hutto, D.B. Lindenmayer, and F.J. Swanson. 2010. The forgotten stage of forest succession: early-successional ecosystems on forest sites. Frontiers in Ecology and the Environment. PDF
  17. Beschta, R.L., and W.J. Ripple. 2010. Recovering riparian plant communities with wolves, in northern Yellowstone USA. Restoration Ecology 18(3):380-389. PDF
  18. Ripple, W.J., T.P. Rooney, and R.L. Beschta. 2010. Large predators, deer, and trophic cascades in boreal and temperate ecosystems. Pp. 141-161 in J. Terborgh and J. Estes. Trophic Cascades: predators, prey, and the changing dynamics of nature. Island Press, Washington, D.C. PDF
  19. Beschta, R.L., and W.J. Ripple. 2009. Large predators and trophic cascades in terrestrial ecosystems of the western United States. Biological Conservation 142:2401-2414. PDF
  20. Beschta, R.L. and W.J. Ripple. 2008. Wolves, trophic cascades, and rivers in the Olympic National Park, USA. Ecohydrology 1:118-130. PDF
  21. 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.
  22. 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.
  23. 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
  24. 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
  25. 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
  26. Ripple, W.J. and R.L. Beschta. 2007. Restoring Yellowstone's aspen with wolves. Biological Conservation. 138:514-519.
  27. 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
  28. 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.
  29. 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.
  30. Ripple, W.J. and R.L. Beschta. 2005. Linking wolves and plants: Aldo Leopold on trophic cascades. Bioscience 55(7):613-621. PDF
  31. Beschta, R.L. 2005. Reduced cottonwood recruitment following extirpation of wolves in Yellowstone's northern range. Ecology 86(2) pp. 391-403.
  32. Beschta, R.L., et. al. 2004. Postfire Management on Forested Public Lands of the Western United States. Conservation Biology 18:957-967. PDF
  33. 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.
  34. Ripple, W.J., and R.L. Beschta. 2004. Wolves and the Ecology of Fear: Can Predation Risk Structure Ecosystems? BioScience 54:755-766. PDF
  35. 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.