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McAlpine, C.A, et al. Transformational change: creating a safe operating space for humanity Ecology and Society 20(1), 2015: 56.

Eisenberg, C., D.E. Hibbs, and W.J. Ripple. Effects of predation risk on elk (Cervus elaphus) landscape use in a wolf (Canis lupus) dominated system Can. J. Zool. 93, 2015: 99-111.

Wallach, A.D, I. Izhaki, J.D. Toms, W.J. Ripple and U. Shanas. What is an apex predator? Oikos , 2015: .

Painter, L.E, R.L. Beschta, E.J. Larsen, and W.J. Ripple. Recovering aspen follow changing elk dynamics in Yellowstone: evidence of a trophic cascade? Ecology 96(1), 2015: 252-263.

Wallach, A.D, W.J. Ripple and S.P. Carroll. Novel trophic cascades: apex predators enable coexistence Trends in Ecology & Evolution , 2015: .

Batchelor, J.L, W.J. Ripple, T.M. Wilson and L.E. Painter. Restoration of Riparian Areas Following the Removal of Cattle in the Northwestern Great Basin Environmental Management DOI: 10.1007/s00267-014-0436-2, 2015: .

Newsome, T.M., et al. Resolving the value of the dingo in ecological restoration Restoration Ecology , 2015: .

Beschta, R., and W.J. Ripple. Divergent patterns of riparian cottonwood recovery after the return of wolves in Yellowstone, USA Ecohydrology 8, 2015: 58-66.

Ripple, W.J., et al. Status and Ecological Effects of the World's Largest Carnivores Science 343, 2014: doi: 10.1126/science.1241484.

Newsome, T.M., et al. The ecological effects of providing resource subsidies to predators Global Ecology and Biogeography , 2014: doi: 10.1111/geb.12236.

Sergio, F., et al. Towards a cohesive, holistic view of top predation: a definition, synthesis and perspective Oikos Journal 123, 2014: 1234-1243. doi: 10.1111/oik.01468.

Painter, L.E, R.L. Beschta, E.J. Larsen, and W.J. Ripple. After long-term decline, are aspen recovering in northern Yellowstone? Forest Ecology and Management 329, 2014: 108-117.

Newsome, T.A., and W.J. Ripple. A continental scale trophic cascade from wolves through coyotes to foxes Journal of Animal Ecology , 2014: .

Ripple, W.J., et al. Commentary: Ruminants, climate change and climate policy Nature Climate Change 4, 2014: 2-5.

Rosenblatt, A.E., M.R. Heithaus, M.E. Mather, P. Matich, J.C. Nifong, W.J. Ripple, and B.R. Silliman. The Roles of Large Top Predators in Coastal Ecosystems: New Insights from Long Term Ecological Research Oceanography 26(3), 2013: 156-167.

Ripple, W.J., Beschta, R.L., Fortin, J.K. and C.T. Robbins. Trophic cascades from wolves to grizzly bears in Yellowstone Journal of Animal Ecology doi: 10.1111/1365-2656.12123, 2013: .

Beschta, R., and W.J. Ripple. Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade - Comment Ecology. [doi:10.1890/11-0063.1] 94(6), 2013: 1420-1425.

Painter, L. Trophic Cascades and Large Mammals in the Yellowstone Ecosystem PhD Dissertation , 2013: 137pp.

Cromsight, J., et al. Hunting for fear: innovating management of human-wildlife conflicts Journal of Applied Ecology , 2013: .

Ripple, W.J., Wirsing, A.J., Wilmers, C.C, and Letnic, M. Widespread mesopredator effects after wolf extirpation Biological Conservation 160, 2013: 70-79.

Beschta, R.L., and Ripple, W.J. Berry-producing shrub characteristics following wolf reintroduction in Yellowstone National Park Forest Ecology and Management 276, 2012: 132-138.

Beschta, R.L., and Ripple, W.J. The role of large predators in maintaining riparian plant communities and river morphology Geomorphology 157-158, 2012: 88-98.

Ripple, W.J. and Beschta, R.L. Large predators limit herbivore densities in northern forest ecosystems Eur J Wildl Res 2012: DOI 10.1007/s10344-012-0623-5.

Ripple, W.J. and Beschta, R.L. Trophic cascades in Yellowstone: The first 15 years after wolf reintroduction Biological Conservation 145, 2012: 205-213. doi:10.1016/j.biocon.2011.11.005.

Painter, L.E. and W.J. Ripple. Effects of bison on willow and cottonwood in northern Yellowstone National Park Forest Ecology and Management 264, 2012: 150-158.

Miller, B.J., Harlow, H.J., Harlow, T.S., Biggins, D. and W.J. Ripple. Trophic cascades linking wolves (Canis lupus), coyotes (Canis latrans), and small mammals Can. J. Zool. 90, 2012: 70-78.

Estes JA, Terborgh J, Brashares JS, Power ME, Berger J, Bond WJ, Carpenter SR, Essington TE, Holt RD, Jackson JBC, Marquis RJ, Oksanen L, Oksanen T, Paine RT, Pikitch EK, Ripple WJ, Sandin SA, Scheffer M, Schoener TW, Shurin JB, Sinclair ARE, Soule ME, Virtanen R, Wardle DA. Trophic Downgrading of Planet Earth Science 333, 2011: 301-306 .

Ripple, W.J., Wirsing, A.J., Beschta, R.L., and S.W. Buskirk. Can Restoring Wolves Aid in Lynx Recovery? Wildlife Society Bulletin 35(4), 2011: 514-518. DOI: 10.1002/wsb.59.

Wirsing, A.J., and W.J. Ripple. A comparison of shark and wolf research reveals similar behavioral responses by prey Frontiers in Ecology and the Environment 9(6), 2011: 335-341.

Ripple, W.J, Painter, L.E., Beschta, R.L. and C.C. Gates. Wolves, Elk, Bison, and Secondary Trophic Cascades in Yellowstone National Park The Open Ecology Journal 3, 2010: 31-37.

Beschta, R.L., and W.J. Ripple. Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade? Forest Ecology and Management 260, 2010: 915-922.

Ripple, W.J. and B. Van Valkenburgh. Linking Top-down Forces to the Pleistocene Megafaunal Extinctions BioScience 60(7), 2010: 516-526.

Laundre, John W., Hernandez, Lucina, and Ripple, William J. The Landscape of Fear: Ecological Implications of Being Afraid The Open Ecology Journal 3, 2010: 1-7.

Beschta, Robert L., and Ripple, W.J. Recovering Riparian Plant Communities with Wolves in Northern Yellowstone, USA Restoration Ecology 18(3), 2010: 380-389.

Ripple, W.J., T.P. Rooney, and R.L. Beschta. Large Predators, Deer, and Trophic Cascades in Boreal and Temperate Ecosystems In Trophic Cascades: Predators, Prey, and the Changing Dynamics of Nature, edited by J. Terborgh and J. Estes Island Press, 2010: 141-161.

Manning, Adrian D.; Gordon, Iain J.; and Ripple, William J. Restoring landscapes of fear with wolves in the Scottish Highlands Biological Conservation 2009.

Prugh, L.R. et al. The Rise of the Mesopredator Bioscience 59(9), October 2009: 779-791.

Beschta, Robert L., and Ripple, William J. Large predators and trophic cascades in terrestrial ecosystems of the western United States Biological Conservation 142, 2009: 2401-2414.

Halofsky, Joshua S.; Ripple, William J.; and Beschta, Robert L. Recoupling fire and aspen recruitment after wolf reintroduction in Yellowstone National Park, USA Forest Ecology and Management 256, 2008: 1004-1008.

Halofsky, Joshua, and Ripple, William. 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), April 2008: 195-207.

Halofsky, Joshua S., and Ripple, William J. Fine-scale predation risk on elk after wolf reintroduction in Yellowstone National Park, USA. Oecologia/Springer-Verlag 2008.

Beschta, Robert L., and Ripple, W.J. Wolves, trophic cascades, and rivers in the Olympic National Park, USA Wiley InterScience - www.interscience.wiley.com 2008.

Ripple, W.J. and Beschta, R.L. Restoring Yellowstone's aspen with wolves. Biological Conservation 138, June 2007: 514-519.

Halofsky, Joshua S. Evidence of a Trophic Cascade among Wolves, Elk, and Aspen in Yellowstone National Park, USA. Dissertation April 19, 2007.

Ripple, W.J. and Beschta, R.L. Hardwood tree decline following large carnivore loss on the Great Plains, USA. Frontiers in Ecology and Environment 5(5), 2007: 241-246.

Hollenbeck, Jeff P. and Ripple, William J. Aspen patch and migratory bird relationships in the northern Yellowstone ecosystem. Landscape Ecology 2007.

Hollenbeck, Jeff P., and Ripple, William J. Aspen snag dynamics, cavity-nesting birds, and trophic cascades in Yellowstone's northern range. Forestry Ecology and Management 255, 2007: 1095-1103.

Beschta, R.L. and Ripple, William J. Wolves, elk, and aspen in the winter range of Jasper National Park, Canada. Canadian Journal of Forest Research 37, 2007: 1873-1885.

Beschta, Robert L., and Ripple, William J. Increased Willow Heights along northern Yellowstone's Blacktail Deer Creek following wolf reintroduction. Western North American Naturalist 67(4), 2007: 613-617.

Hollenbeck, Jeff P. Multi-scale Relationships Between Aspen and Birds in the Northern Yellowstone Ecosystem. Dissertation 2006.

Ripple, W.J. and Beschta, R.L. Linking Wolves and Plants: Aldo Leopold on Trophic Cascades. BioScience Vol. 55 No. 7, July 2005: 613-621.

Larsen, E.J. and Ripple, W.J. Aspen Stand Conditions on Elk Winter Ranges in the Northern Yellowstone Ecosystem, USA. Natural Areas Journal 25(4), 2005: 326-338.

Ripple, W.J. and Beschta, R.L. Willow thickets protect young aspen from elk browsing after wolf reintroduction. Western North American Naturalist 65(1), 2005: 118-122.

Ripple, W.J. and Beschta, R.L. Refugia from browsing as reference sites for restoration planning. Western North American Naturalist 65(2), 2005: 269-273.

Ripple, William J. and Beschta, Robert L. Wolves and the Ecology of Fear: Can Predation Risk Structure Ecosystems? BioScience Vo.l 54 No. 8, August 2004: 755-766.

Ripple, W.J. and Beschta, R.L. Wolf reintroduction, predation risk, and cottonwood recovery in Yellowstone National Park. Forest Ecology and Management 184, 2003: 299-313.

Larsen, E.J. and W.J. Ripple. Aspen age structure in the northern Yellowstone Ecosystem:USA. Forest Ecology and Management 179, 2003: 469-482.

Beschta, R.L. Cottonwoods, elk, and wolves in the Lamar Valley of Yellowstone National Park. Ecological Applications 13(5), 2003: 1295-1309.

Ripple, W. J., E. J. Larsen, R. A. Renkin, D. W. Smith. Trophic Cascades among wolves, elk and aspen on Yellowstone National Park's northern range. Biological Conservation 102, 2001: 227-234.

Ripple, W.J. and Larsen, E.J. The Role of Postfire Coarse Woody Debris in Aspen Regeneration. Western North American Naturalist 16(2), 2001: 61-64.

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

Larsen, E.J. and W.J. Ripple. Remote Sensing of Aspen Change in Northern Yellowstone National Park. Unpublished manuscript 1997.

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