College of Forestry

Global Trophic Cascades Program


Displaying 101 - 166 of 166 Publications


Eisenberg C, Hibbs DE, Ripple WJ, Salwasser H. 2014. Context dependence of elk (Cervus elaphus) vigilance and wolf (Canis lupus) predation risk. Can. J. Zool. 92:727-736. PDF
Newsome TA, Ripple WJ. 2014. A continental scale trophic cascade from wolves through coyotes to foxes. Journal of Animal Ecology. PDF
Newsome TM, Dellinger JA, Pavey CR, Ripple WJ, Shores CR, Wirsing AJ, Dickman CR. 2014. The ecological effects of providing resource subsidies to predators. Global Ecology and Biogeography. 24(1):1-11. DOI | PDF
Painter LE, Beschta RL, Larsen EJ, Ripple WJ. 2014. After long-term decline, are aspen recovering in northern Yellowstone? Forest Ecology and Management. 329:108-117. PDF
Ripple WJ, Estes JA, Beschta RL, Wilmers CC, Ritchie EG, Hebblewhite M, Berger J, Elmhagen B, Letnic M, Nelson M.P et al.. 2014. Status and Ecological Effects of the World's Largest Carnivores. Science. 343(6167) DOI | PDF
Ripple WJ, Smith P, Haberl H, Montzka SA, McAlpine C, Boucher DH. 2014. Commentary: Ruminants, climate change and climate policy. Nature Climate Change. 4:2-5. PDF
Sergio F, Schmitz OJ, Krebs CJ, Holt RD, Heithaus MR, Wirsing AJ, Ripple WJ, Ritchie E, Ainley D, Oro D. et al.. 2014. Towards a cohesive, holistic view of top predation: a definition, synthesis and perspective. Oikos Journal. 123:1234-1243. DOI | PDF


Beschta R, Ripple WJ. 2013. Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade - Comment Ecology. 94(6):1420-1425. DOI | PDF
Cromsight J, Kuijper DJ, Adam M, Beschta RL, Churski M, Eycott A, Kerley GH, Mysterud A, Schmidt K, West K. 2013. Hunting for fear: innovating management of human-wildlife conflicts. Journal of Applied Ecology. 50(3):544-549. DOI | PDF
Painter LE. 2013. Trophic Cascades and Large Mammals in the Yellowstone Ecosystem. PDF
Ripple WJ, Beschta RL, Fortin JK, Robbins CT. 2013. Trophic cascades from wolves to grizzly bears in Yellowstone. Journal of Animal Ecology. 83(1):223-233. DOI | PDF
Ripple WJ, Wirsing AJ, Wilmers CC, Letnic M. 2013. Widespread mesopredator effects after wolf extirpation. Biological Conservation. 160:70-79. DOI | PDF
Rosenblatt AE, Heithaus MR, Mather ME, Matich P, Nifong JC, Ripple WJ, Silliman. BR. 2013. The Roles of Large Top Predators in Coastal Ecosystems: New Insights from Long Term Ecological Research. Oceanography. 26(3):156-167. DOI


Beschta RL, Ripple WJ. 2012. Berry-producing shrub characteristics following wolf reintroduction in Yellowstone National Park. Forest Ecology and Management. 276:132-138. PDF
Beschta RL, Ripple WJ. 2012. The role of large predators in maintaining riparian plant communities and river morphology. Geomorphology. 157-158:88-98. DOI | PDF
Miller BJ, Harlow HJ, Harlow TS, Biggins D, Ripple WJ. 2012. Trophic cascades linking wolves (Canis lupus), coyotes (Canis latrans), and small mammals. Can. J. Zool.. 90:70-78. DOI | PDF
Painter LE, Ripple WJ. 2012. Effects of bison on willow and cottonwood in northern Yellowstone National Park. Forest Ecology and Management. 264:150-158. PDF
Ripple WJ, Beschta RL. 2012. Large predators limit herbivore densities in northern forest ecosystems. Eur J Wildl Res. 58(4) DOI | PDF
Ripple WJ, Beschta RL. 2012. Trophic cascades in Yellowstone: The first 15 years after wolf reintroduction. Biological Conservation. 145:205-213. DOI | PDF


Estes JA, Terborgh J, Brashares JS, Power ME, Berger J, Bond WJ, Carpenter SR, Essington TE, Holt RD, Jackson J.B.C. et al.. 2011. Trophic Downgrading of Planet Earth. Science. 333:301-306. DOI | PDF
Ripple WJ, Wirsing AJ, Beschta RL, Buskirk SW. 2011. Can Restoring Wolves Aid in Lynx Recovery? Wildlife Society Bulletin. 35(4):514-518. DOI | PDF
Wirsing AJ, Ripple WJ. 2011. A comparison of shark and wolf research reveals similar behavioral responses by prey. Frontiers in Ecology and the Environment. 9(6):335-341. PDF


Beschta RL, Ripple WJ. 2010. Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade? Forest Ecology and Management. 260:915-922. DOI | PDF
Beschta RL, Ripple WJ. 2010. Recovering Riparian Plant Communities with Wolves in Northern Yellowstone, USA. Restoration Ecology. 18(3):380-389. PDF
Laundre JW, Hernandez L, Ripple WJ. 2010. The Landscape of Fear: Ecological Implications of Being Afraid. The Open Ecology Journal. 3:1-7. PDF
Ripple WJ, Painter LE, Beschta RL, Gates CC. 2010. Wolves, Elk, Bison, and Secondary Trophic Cascades in Yellowstone National Park. The Open Ecology Journal. 3:31-37. PDF
Ripple WJ, Rooney TP, Beschta RL. 2010. Large Predators, Deer, and Trophic Cascades in Boreal and Temperate Ecosystems. Trophic Cascades: Predators, Prey, and the Changing Dynamics of Nature, edited by J. Terborgh and J. Estes.. :141-161. PDF
Ripple WJ, Valkenburgh BV. 2010. Linking Top-down Forces to the Pleistocene Megafaunal Extinctions. BioScience. 60(7):516-526. DOI | PDF


Beschta RL, Ripple WJ. 2009. Large predators and trophic cascades in terrestrial ecosystems of the western United States. Biological Conservation. 142:2401-2414. DOI | PDF
Manning AD, Gordon IJ, Ripple WJ. 2009. Restoring landscapes of fear with wolves in the Scottish Highlands. Biological Conservation. PDF
Prugh LR, Stoner CJ, Epps CW, Bean WT, Ripple WJ, Laliberte AS, Brashares JS. 2009. The Rise of the Mesopredator. Bioscience. 59(9):779-791. DOI | PDF


Beschta RL, Ripple WJ. 2008. Wolves, trophic cascades, and rivers in the Olympic National Park, USA. Ecohydrology. 1:118-130. DOI | PDF
Halofsky J, Ripple WJ. 2008. Linkages between wolf presence and aspen recruitment in the Gallatin elk winter range of southwestern Montana, USA.. Forestry: An International Journal of Forest Research. 81(2):195-207. PDF
Halofsky JS, Ripple WJ, Beschta RL. 2008. Recoupling fire and aspen recruitment after wolf reintroduction in Yellowstone National Park, USA. Forest Ecology and Management. 256:1004-1008. DOI | PDF
Halofsky JS, Ripple WJ. 2008. Fine-scale predation risk on elk after wolf reintroduction in Yellowstone National Park, USA.. Oecologia/Springer-Verlag. 155:869–877. DOI | PDF
Ripple WJ, Beschta RL. 2008. Trophic cascades involving cougar, mule deer, and black oaks in Yosemite National Park. Biological Conservation. 141(5):1249-1256. PDF


Beschta RL, Ripple WJ. 2007. Increased Willow Heights along northern Yellowstone's Blacktail Deer Creek following wolf reintroduction.. Western North American Naturalist. 67(4):613-617. PDF
Beschta RL, Ripple WJ. 2007. Wolves, elk, and aspen in the winter range of Jasper National Park, Canada.. Canadian Journal of Forest Research. 37:1873-1885. PDF
Halofsky JS. 2007. Evidence of a Trophic Cascade among Wolves, Elk, and Aspen in Yellowstone National Park, USA.. Dissertation PDF
Hollenbeck JP, Ripple WJ. 2007. Aspen patch and migratory bird relationships in the northern Yellowstone ecosystem.. Landscape Ecology. 22(9):1411–1425. DOI | PDF
Hollenbeck JP, Ripple WJ. 2007. Aspen snag dynamics, cavity-nesting birds, and trophic cascades in Yellowstone's northern range.. Forestry Ecology and Management. 255:1095-1103. PDF
Ripple WJ, Beschta RL. 2007. Hardwood tree decline following large carnivore loss on the Great Plains, USA.. Frontiers in Ecology and Environment. 5(5):241-246. PDF
Ripple WJ, Beschta RL. 2007. Restoring Yellowstone's aspen with wolves.. Biological Conservation. 138:514-519. PDF


Beschta RL, Ripple WJ. 2006. River channel dynamics following extirpation of wolves in northwestern Yellowstone National Park,USA.. Earth Surface Processes and Landforms. 31:1525-1539. PDF
Hollenbeck JP. 2006. Multi-scale Relationships Between Aspen and Birds in the Northern Yellowstone Ecosystem.. PDF
Larsen T, Ripple WJ. 2006. Modeling Gray Wolf (Canis lupus) Habitat in the Pacific Northwest, UA. Journal of Conservation Planning. 2:17-33. PDF
Ripple WJ, Beschta RL. 2006. Linking a cougar decline, trophic cascade, and catastrophic regime shift in Zion National Park.. Biological Conservation. 133:397-408. DOI | PDF
Ripple WJ, Beschta RL. 2006. Linking wolves to willows via risk-sensitive foraging by ungulates in the northern Yellowstone ecosystem.. Forest Ecology and Management. 230(1-3):96-106. DOI | PDF


Beschta RL, Ripple WJ. 2005. Rapid Assessment of Riparian Cottonwood Recruitment: Middle Fork John Day River, Northeastern Oregon.. Ecological Restoration. 23(3):150-156. PDF
Beschta RL. 2005. Reduced Cottonwood Recruitment Following Extirpation of Wolves in Yellowstone's Northern Range.. Ecology. 86(2):391-403. PDF
Larsen EJ, Ripple WJ. 2005. Aspen Stand Conditions on Elk Winter Ranges in the Northern Yellowstone Ecosystem, USA.. Natural Areas Journal. 25(4):326-338. PDF
Ripple WJ, Beschta RL. 2005. Linking Wolves and Plants: Aldo Leopold on Trophic Cascades.. BioScience. 55(7):613-621. PDF
Ripple WJ, Beschta RL. 2005. Refugia from browsing as reference sites for restoration planning.. Western North American Naturalist. 65(2):269-273. PDF
Ripple WJ, Beschta RL. 2005. Willow thickets protect young aspen from elk browsing after wolf reintroduction.. Western North American Naturalist. 65(1):118-122. PDF


Laliberte AS, Ripple WJ. 2004. Range Contractions of North American Carnivores and Ungulates.. BioScience. 54(2):123-138. PDF
Ripple WJ, Beschta RL. 2004. Wolves and the Ecology of Fear: Can Predation Risk Structure Ecosystems? BioScience. 54(8):755-766. PDF
Ripple WJ, Beschta RL. 2004. Wolves, elk, willows, and trophic cascades in the upper Gallatin Range of Southwestern Montana, USA.. Forest Ecology and Management. 200:161-181. PDF


Beschta RL. 2003. Cottonwoods, elk, and wolves in the Lamar Valley of Yellowstone National Park.. Ecological Applications. 13(5):1295-1309. PDF
Laliberte AS, Ripple WJ. 2003. Wildlife Encounters by Lewis and Clark: A Spatial Analysis of Interactions between Native Americans and Wildlife.. BioScience. 53(10):994-1003. PDF
Larsen EJ, Ripple WJ. 2003. Aspen age structure in the northern Yellowstone Ecosystem:USA.. Forest Ecology and Management. 179:469-482. PDF
Ripple WJ, Beschta RL. 2003. Wolf reintroduction, predation risk, and cottonwood recovery in Yellowstone National Park.. Forest Ecology and Management. 184:299-313. DOI | PDF


Klein DR, McCullough DR, Diaz BA, Cheville N, Graham RW, Gross JE, MacMahon J, Mathews NE, Patten DT, Ralls K. et al.. 2002. Ecological Dynamics on Yellowstone's Northern Range.. The National Acadamy of Science.


Ripple WJ, Larsen EJ, Renkin RA, Smith DW. 2001. Trophic Cascades among wolves, elk and aspen on Yellowstone National Park's northern range.. Biological Conservation. 102:227-234. PDF
Ripple WJ, Larsen EJ. 2001. The Role of Postfire Coarse Woody Debris in Aspen Regeneration.. Western North American Naturalist. 16(2):61-64. PDF


Ripple WJ, Larsen EJ. 2000. Historic aspen recruitment, elk, and wolves in northern Yellowstone National Park, USA.. Biological Conservation. 95:361-370. PDF


Larsen EJ, Ripple WJ. 1997. Remote Sensing of Aspen Change in Northern Yellowstone National Park.. View web page