Publications
Displaying 1 - 100 of 168 Publications
2025
Ripple, WJ, Beschta, RL, Wolf, C, Painter, LE, Wirsing, AJ. 2025. The strength of the Yellowstone trophic cascade after wolf reintroduction, Global Ecology and Conservation.
https://doi.org/10.1016/j.gecco.2025.e03428 DOI | PDF
2024
Newsome TA, Cairncross R, Cunningham CX, Spencer E, Barton PS, Ripple WJ, Wirsing AJ. 2024. Scavenging with invasive species. Biological Reviews. 99:562–581.
https://doi.org/10.1111/brv.13035 DOI | PDF
Ripple, WJ, Wolf, C, Beschta, RL, Craig, AD, Curcija, ZS, Lundgren, EJ, Satterfield, LC, Woodrich, ST, Wirsing, AJ. 2024. A shifting ecological baseline after wolf extirpation. BioScience, Volume 74(7):430–434.
https://doi.org/10.1093/biosci/biae034 DOI | PDF
2023
Beschta RL, Painter LE, Ripple WJ. 2023. Revisiting trophic cascades and aspen recovery in northern Yellowstone. Food Webs. 36(e00276) https://doi.org/10.1016/j.fooweb.2023.e00276 DOI | PDF
Painter LE, Beschta RL, Ripple WJ. 2023. Aspen recovery in northern Yellowstone: A comment on Brice et al. (2021). Ecology Letters. https://doi.org/10.1111/ele.14353 DOI | PDF
Painter LE, Beschta RL, Ripple WJ. 2023. Bison alter the northern Yellowstone ecosystem by breaking aspen saplings. Ecology and Evolution. 13(8):e10369. https://doi.org/10.1002/ece3.10369 DOI
2022
Dellinger JA, Shores CR, Craig A, Kachel SM, Heithaus MR, Ripple WJ, Wirsing AJ. 2022. Predators reduce niche overlap between sympatric prey. Oikos. https://doi.org/10.1111/oik.08628 DOI | PDF
Ingeman KE, Zhao LZ, Wolf C, Williams DR, Ritger AL, Ripple WJ, Kopecky KL, Dillon EM, DiFiore BP, Curtis JS et al.. 2022. Glimmers of hope in large carnivore recoveries. Scientific Reports. 12:10005. https://doi.org/10.1038/s41598-022-13671-7 DOI | PDF
Lundgren EJ, Ramp D, Middleton OS, Wooster EF, Kusch E, Balisi M, Ripple WJ, Hasselerharm CD, Sanchez JN, Mills M et al.. 2022. A novel trophic cascade between cougars and feral donkeys shapes desert wetlands. Journal of Animal Ecology. https://doi.org/10.1111/1365-2656.13766 DOI | PDF
Millward LS, Wilson TM, Weldy MJ, Rowland MM, Duarte A, Lesmeister DB, Ripple WJ. 2022. Small mammal relative abundance within riparian ecosystems of the Blue Mountains. Forest Ecology and Management. 505 https://doi.org/10.1016/j.foreco.2021.119899 DOI | PDF
Ripple WJ, Beschta RL, Painter LE. 2022. The history of cougars in Yellowstone National Park. Western North American Naturalist. 82(4):752–759. PDF
2021
Bradshaw CA, Ehrlich PR, Beattie A, Ceballos G, Crist E, Diamond J, Dirzo R, Ehrlich AH, Harte J, Harte M.E. et al.. 2021. Underestimating the Challenges of Avoiding a Ghastly Future. Front. Conserv. Sci. https://doi.org/10.3389/fcosc.2020.615419 DOI | PDF
Carver S, Convery I, Hawkins S, Beyers R, Eagle A, Kun Z, Van Maanen E, Cao Y, Fisher M, et al.. 2021. Guiding principles for rewilding. Conservation Biology. https://doi.org/10.1111/cobi.13730 DOI | PDF
Hayek MN, Harwatt H, Ripple WJ, Mueller ND. 2021. The carbon opportunity cost of animal-sourced food production on land. Nature Sustainability. 4:21-24. https://doi.org/10.1038/s41893-020-00603-4 DOI | PDF
Newsome TM, Barton BT, Buck JC, DeBruyn J, Spencer E, Ripple WJ, Barton PS. 2021. Monitoring the dead as an ecosystem indicator. Ecology and Evolution. 11(11):5844-5856. https://doi.org/10.1002/ece3.7542 DOI | PDF
Wolf C, Levi T, Ripple WJ, Zárrate-Charry DA, Betts MG. 2021. A forest loss report card for the world’s protected areas. Nat Ecol Evol. https://doi.org/10.1038/s41559-021-01389-0 DOI | PDF | Supplementary Information
2020
Albert JS, Destouni G, Duke-Sylvester SM, Magurran AE, Oberdorff T, Reis RE, Winemiller KO, Ripple WJ. 2020. Scientists’ warning to humanity on the freshwater biodiversity crisis. Ambio. https://doi.org/10.1007/s13280-020-01318-8 DOI | PDF
Beschta RL, Ripple WJ, Kauffman JB, Painter LE. 2020. Bison limit ecosystem recovery in northern Yellowstone. Food Webs. 23(e00142) https://doi.org/10.1016/j.fooweb.2020.e00142 DOI | PDF
Beschta RL, Ripple WJ. 2020. Large carnivore extirpation linked to loss of overstory aspen in Yellowstone. Food Webs. :e00140. https://doi.org/10.1016/j.fooweb.2019.e00140 DOI | PDF
Brown C, Rinaldi CE, Ripple WJ, Van Valkenburgh B. 2020. Skeletal and Dental Development Preserve Evidence of Energetic Stress in the Moose of Isle Royale. Frontiers in Ecology and Evolution. https://doi.org/10.3389/fevo.2020.00272 DOI | PDF
Buotte PC, Law BE, Ripple WJ, Berner LT. 2020. Carbon sequestration and biodiversity co-benefits of preserving forests in the western United States. Ecological Applications. 30(2):e02039. https://doi.org/10.1002/eap.2039 DOI | PDF
Greenville AC, Newsome TM, Wardle GM, Dickman CR, Ripple WJ, Murray BR. 2020. Simultaneously operating threats cannot predict extinction risk. Conservation Letters. e12758 https://doi.org/10.1111/conl.12758 DOI | PDF
Heleno RH, Ripple WJ, Traveset A. 2020. Scientists’ warning on endangered food webs. Web Ecology. 20:1-10. https://doi.org/10.5194/we-20-1-2020 DOI | PDF
Janeiro-Otero A, Newsome TM, van Eeden LM, Ripple WJ, Dormann CF. 2020. Grey wolf (Canis lupus) predation on livestock in relation to prey availability. Biological Conservation. 243(108433) https://doi.org/10.1016/j.biocon.2020.108433 DOI | PDF
Kemppinen KS, Collins PM, Hole DG, Wolf C, Ripple WJ, Gerber LR. 2020. Global reforestation and biodiversity conservation. Conservation Biology. 34(5):1221-1228. https://doi.org/10.1111/cobi.13478 DOI | PDF
Levi T, Hilderbrand GV, Hocking MD, Quinn TP, White KS, Adams MS, Armstrong JB, Crupi AP, Darimont CT, Deacy W. et al.. 2020. Community Ecology and Conservation of Bear-Salmon Ecosystems. Front. Ecol. Evol. https://doi.org/10.3389/fevo.2020.513304 DOI | PDF
Oksanen T, Oksanen L, Vuorinen KM, Wolf C, Mäkynen A, Olofsson J, Ripple WJ, Virtanen R, Utsi TA. 2020. The impact of thermal seasonality on terrestrial endotherm food web dynamics: a revision of the Exploitation Ecosystem Hypothesis. Ecography. 43(12):1859-1877. https://doi.org/10.1111/ecog.05076 DOI | PDF
Painter LE, Tercek MT. 2020. Tall willow thickets return to northern Yellowstone. Ecosphere. 11(5):e03115. https://doi.org/10.1002/ecs2.3115 DOI | PDF
Ripple WJ, Wolf C, Newsome TM, Barnard P, Moomaw WR. 2020. World Scientists’ Warning of a Climate Emergency. BioScience. 70(1):8–12. https://doi.org/10.1093/biosci/biz088 DOI | PDF
2019
Beschta, RL, Painter, LE, Ripple, WJ. 2019. Trophic cascades and Yellowstone’s aspen: A reply to Fleming (2019). Forest Ecology and Management 454: 117344
https://doi.org/10.1016/j.foreco.2019.05.014 DOI | PDF
Barton BT, Hill JG, Wolff CL, Newsome TM, Ripple WJ, Lashley MA. 2019. Grasshopper consumption by grey wolves and implications for ecosystems. Ecology. :e02892. https://doi.org/10.1002/ecy.2892 DOI | PDF
Beschta RL, Ripple WJ. 2019. Can large carnivores change streams via a trophic cascade? Ecohydrology. 12(1):e2048. https://doi.org/10.1002/eco.2048 DOI | PDF
Beschta RL, Ripple WJ. 2019. Yellowstone’s Prehistoric Bison: A Comment on Keigley (2019). Rangelands. 41(3):149-151. https://doi.org/10.1016/j.rala.2019.03.002 DOI | PDF
Betts MG, Wolf C, Pfeifer M, Banks-Leite C, Arroyo-Rodríguez V, Ribeiro DB, Barlow J, Eigenbrod F, Faria D, Fletcher R.J. et al.. 2019. Extinction filters mediate the global effects of habitat fragmentation on animals. Science. 366:1236–1239. PDF
Dellinger JA, Shores CR, Craig A, Heithaus MR, Ripple WJ, Wirsing AJ. 2019. Habitat use of sympatric prey suggests divergent anti‑predator responses to recolonizing gray wolves. Oecologia. https://doi.org/10.1007/s00442-018-4323-z DOI | PDF
Harwatt H, Ripple WJ, Chaudhary A, Betts MG, Hayek MN. 2019. Scientists call for renewed Paris pledges to transform agriculture. The Lancet Planetary Health. https://doi.org/10.1016/S2542-5196(19)30245-1 DOI | PDF
Malcom J, Schwartz MW, Evansen M, Ripple WJ, Polasky S, Gerber LR, Lovejoy TE, Talbot LM, Miller JB. 2019. Solve the biodiversity crisis with funding. Science. 365(6459):1256. PDF
Ripple WJ, Miller SD, Schoen JW, Rabinowitch SP. 2019. Large carnivores under assault in Alaska. PLoS Biol. 17(1):e3000090. https://doi.org/10.1371/journal.pbio.3000090 DOI | PDF
Ripple WJ, Wolf C, Newsome TM, Betts MG, Ceballos G, Courchamp F, Hayward MW, Van Valkenburgh B, Wallach AD, Worm B. 2019. Are we eating the world's megafauna to extinction? Conservation Letters. :e12627. https://doi.org/10.1111/conl.12627 DOI | PDF
Wolf C, Ripple WJ, Betts MG, Levi T, Peres CA. 2019. Eating plants and planting forests for the climate. Global Change Biology. 25(12):3995-3995. https://doi.org/10.1111/gcb.14835 DOI | PDF
2018
Batavia C, Nelson MP, Darimont CT, Paquet PC, Ripple WJ, Wallach AD. 2018. The elephant (head) in the room: A critical look at trophy hunting. Conservation Letters. :e12565. https://doi.org/10.1111/conl.12565 DOI | PDF
Beschta RL, Painter LE, Ripple WJ. 2018. Trophic cascades at multiple spatial scales shape recovery of young aspen in Yellowstone. Forest Ecology and Management. 413:62-69. https://doi.org/10.1016/j.foreco.2018.01.055 DOI | PDF
Beschta RL, Ripple WJ. 2018. Wolf-triggered trophic cascades and stream channel dynamics in Olympic National Park: a comment on East et al.. Earth Surf. Process. Landforms. https://doi.org/10.1002/esp.4289 DOI | PDF
Courchamp F, Jaric I, Albert C, Meinard Y, Ripple WJ, Chapron G. 2018. The paradoxical extinction of the most charismatic animals. PLoS Biol. 16(4):e2003997. https://doi.org/10.1371/journal.pbio.2003997 DOI | PDF
Dellinger JA, Shores CR, Marsh M, Heithaus MR, Ripple WJ, Wirsing AJ. 2018. Impacts of recolonizing gray wolves (Canis lupus) on survival and mortality in two sympatric ungulates. Can. J. Zool.. 96:760–768. https://doi.org/10.1139/cjz-2017-0282 DOI | PDF
Gray TE, Hughes AC, Laurance WF, Long B, Lynam AJ, O'Kelly H, Ripple WJ, Seng T, Scotson L, Wilkinson NM. 2018. The wildlife snaring crisis: an insidious and pervasive threat to biodiversity in Southeast Asia. Biodivers Conserv. 27:1031–1037. https://doi.org/10.1007/s10531-017-1450-5 DOI | PDF
Lundgren EJ, Ramp D, Ripple WJ, Wallach AD. 2018. Introduced megafauna are rewilding the Anthropocene. Ecography. 41(6):857-866. https://doi.org/10.1111/ecog.03430 DOI | PDF
Painter LE, Beschta RL, Larsen EJ, Ripple WJ. 2018. Aspen recruitment in the Yellowstone region linked to reduced herbivory after large carnivore restoration. Ecosphere. 9(8):e02376. https://doi.org/10.1002/ecs2.2376 DOI | PDF
Peters R, et al. 2018. Nature Divided, Scientists United: US–Mexico Border Wall Threatens Biodiversity and Binational Conservation. Bioscience. https://doi.org/10.1093/biosci/biy063 DOI | PDF
Ripple WJ, Meijaard E, Newsome TM. 2018. Saving the World with Satire: A Response to Chapron et al.. Trends in Ecology & Evolution. 33(7):483-484. https://doi.org/10.1016/j.tree.2018.04.011 DOI | PDF
Ripple WJ, Wolf C, Galetti M, Newsome TM, Green TL, Alamgir M, Crist E, Mahmoud MI, Laurance WF. 2018. The Role of Scientists’ Warning in Shifting Policy from Growth to Conservation Economy. Bioscience. 68(4):239-240. https://doi.org/10.1093/biosci/biy009 DOI | PDF
Ripple WJ, Wolf C, Newsome TM, Hoffmann M, Wirsing AJ, McCauley DJ. 2018. Both the largest and smallest vertebrates have elevated extinction risk. PNAS. 115(26):E5847-E5848. https://doi.org/10.1073/pnas.1805120115 DOI | PDF
Shackelford N, Standish RJ, Ripple WJ, Starzomski BM. 2018. Threats to biodiversity from cumulative human impacts in one of North America's last wildlife frontiers. Conservation Biology. 32(3):672-684. https://doi.org/10.1111/cobi.13036 DOI | PDF
van Eeden LM, Crowther MS, Dickman CR, Macdonald DW, Ripple WJ, Ritchie EG, Newsome TM. 2018. Managing conflict between large carnivores and livestock. Conservation Biology. 32(1):26-34. https://doi.org/10.1111/cobi.12959 DOI | PDF
van Eeden LM, Eklund A, Miller JB, Lopez-Bao JV, Chapron G, Cejtin MR, Crowther MS, Dickman CR, Frank J, Krofel M et al.. 2018. Carnivore conservation needs evidence based livestock protection. PLoS Biol. 16(9):e2005577. https://doi.org/10.1371/journal.pbio.2005577 DOI | PDF
Wallach AD, Lundgren EJ, Ripple WJ, Ramp D. 2018. Invisible megafauna. Conservation Biology. https://doi.org/10.1111/cobi.13116 DOI | PDF
Wolf C, Betts MG, Levi T, Newsome TM, Ripple WJ. 2018. Large species within carnivora are large carnivores. Royal Society Open Science. 5:181228. https://doi.org/10.1098/rsos.181228 DOI | PDF
2017
Betts MG, Wolf C, Ripple WJ, Phalan B, Millers KA, Duarte A, Butchart SM, Levi T. 2017. Global forest loss disproportionately erodes biodiversity in intact landscapes. Nature. 547:441–444. https://doi.org/10.1038/nature23285 DOI | PDF
Buck JC, Ripple WJ. 2017. Infectious Agents Trigger Trophic Cascades. Trends in Ecology & Evolution. https://doi.org/10.1016/j.tree.2017.06.009 DOI | PDF
Gray TE, Lynam AJ, Seng T, Laurance WF, Long B, Scotson L, Ripple WJ. 2017. Wildlife-snaring crisis in Asian forests. Science. 355(6322):255-256. https://doi.org/10.1126/science.aal4463 DOI | PDF
Harwatt H, Sabate J, Eshel G, Soret S, Ripple WJ. 2017. Substituting beans for beef as a contribution toward US climate change targets. Climatic Change. https://doi.org/10.1007/s10584-017-1969-1 DOI | PDF | News Story: Replacing beef with beans could save the planet because people fart…
Hayward MW, Ripple WJ, Kerley GH, Landman M, Plotz RD, Garnett ST. 2017. Neocolonial Conservation: Is Moving Rhinos to Australia Conservation or Intellectual Property Loss. Conservation Letters. https://doi.org/10.1111/conl.12354 DOI | PDF
Johns D, Terborgh J, Estes JA, Foreman D, Miller BJ, Noss R, Soule ME, Ripple WJ. 2017. We Need a Biologically Sound North American Conservation Plan. Bioscience. https://doi.org/10.1093/biosci/bix066 DOI | PDF
Letnic M, Ripple WJ. 2017. Large-scale responses of herbivore prey to canid predators and primary productivity. Global Ecol Biogeogr. https://doi.org/10.1111/geb.12593 DOI | PDF
Lindsey PA, Chapron G, Petracca LS, Burnham D, Hayward MW, Henschel P, Hinks AE, Garnett ST, Macdonald DW, Macdonald E.A. et al.. 2017. Relative efforts of countries to conserve world’s megafauna. Global Ecology and Conservation. 10:243–252. https://doi.org/10.1016/j.gecco.2017.03.003 DOI | PDF
Newsome TM, Fleming PS, Dickman CR, Doherty TS, Ripple WJ, Ritchie EG, Wirsing AJ. 2017. A New Dog. BioScience. 67(4):374-381. https://doi.org/10.1093/biosci/bix022 DOI | PDF
Newsome TM, Greenville AC, Cirovic D, Dickman CR, Johnson CN, Krofel M, Letnic M, Ripple WJ, Ritchie EG, Stoyanov S et al.. 2017. Top predators constrain mesopredator distributions. Nature Communications. 8(15469) https://doi.org/10.1038/ncomms15469 DOI | PDF | News Story: Wolves need space to roam to control expanding coyote populations
Ripple WJ, Chapron G, Lopez-Bao JV, Durant SM, Macdonald DW, Lindsey PA, Bennett EL, Beschta RL. 2017. Conserving the World's Megafauna and Biodiversity: The Fierce Urgency of Now. Bioscience. 67(3):197-200. https://doi.org/10.1093/biosci/biw168 DOI | PDF
Ripple WJ, Wolf C, Newsome TM, Galetti M, Alamgir M, Crist E, Mahmoud MI, Laurance WF. 2017. World Scientists’ Warning to Humanity: A Second Notice. Bioscience. https://doi.org/10.1093/biosci/bix125 DOI | PDF
Ripple WJ, Wolf C, Newsome TM, Hoffmann M, Wirsing AJ, McCauley DJ. 2017. Extinction risk is most acute for the world’s largest and smallest vertebrates. PNAS. 114(40):10678–10683. PDF
Ripple WJ, Wolf C, Newsome TM, Hoffmann M, Wirsing AJ, McCauley DJ. 2017. Smallest terrestrial vertebrates are highly imperiled. PNAS. https://doi.org/10.1073/pnas.1717570114 DOI | PDF
Swain M, Blomqvist L, McNamara J, Ripple WJ. 2017. Reducing the environmental impact of global diets. Science of the Total Environment. 610-611:1207–1209. https://doi.org/10.1016/j.scitotenv.2017.08.125 DOI | PDF
Wolf C, Ripple WJ. 2017. Range contractions of the world’s large carnivores. R. Soc. open sci.. 4(170052) https://doi.org/10.1098/rsos.170052 DOI | PDF | Supplementary material | See also: Large carnivores have lost more than 90 per cent of their range | World's large carnivores being pushed off the map
2016
Beschta RL, Painter LE, Levi T, Ripple WJ. 2016. Long-term aspen dynamics, trophic cascades, and climate in northern Yellowstone National Park. Canadian Journal of Forest Research. 46:548-556. https://doi.org/10.1139/cjfr-2015-0301 DOI | PDF
Beschta RL, Ripple WJ. 2016. Riparian vegetation recovery in Yellowstone: The first two decades after wolf reintroduction. Biological Conservation. 198:93-103. https://doi.org/10.1016/j.biocon.2016.03.031 DOI | PDF
Everatt KT, Andresen L, Ripple WJ, Kerley GH. 2016. Rhino poaching may cause atypical trophic cascades. Frontiers in Ecology and Environment. 14:65-67. https://doi.org/10.1002/fee.1202 DOI | PDF
Gordon CE, Eldridge DJ, Ripple WJ, Crowther MS, Moore BD, Letnic M. 2016. Shrub encroachment is linked to extirpation of an apex predator. Journal of Animal Ecology. 86(1):147-157. https://doi.org/10.1111/1365-2656.12607 DOI | PDF
Holm SR, Noon B.R, Wiens J.D, Ripple W.J. 2016. Potential trophic cascades triggered by the barred owl range expansion. The Wildlife Society Bulletin. 40(4):615-624. https://doi.org/10.1002/wsb.714 DOI | PDF
Newsome TM, Boitani L, Chapron G, Ciucci P, Dickman CR, Dellinger JA, Lopez-Bao JV, Peterson RO, Shores CR, Wirsing A.J. et al.. 2016. Food habits of the world's grey wolves. Mammal Review. 46:255-269. https://doi.org/10.1111/mam.12067 DOI | PDF
Ripple WJ, Abernethy K, Betts MG, Chapron G, Dirzo R, Galetti M, Levi T, Lindsey PA, Macdonald DW, Machovina B. et al.. 2016. Bushmeat hunting and extinction risk to the world's mammals. The Royal Society Open Science. https://doi.org/10.1098/rsos.160498 DOI | PDF
Ripple WJ, Chapron G, Lopez-Bao JV, Durant SM, Macdonald DW, Lindsey PA, Bennett EL, Beschta RL, Bruskotter JT, Campos-Arceiz A. et al.. 2016. Saving the World's Terrestrial Megafauna. BioScience. 66(10):807-812. https://doi.org/10.1093/biosci/biw092 DOI | PDF | Supplemental Material
Ripple WJ, Estes JA, Schmitz OJ, Constant V, Kaylor MJ, Lenz A, Motley JL, Self KE, Taylor DS, Wolf andC. 2016. What is a Trophic Cascade? Trends in Ecology and Evolution. 31(11):824-849. https://doi.org/10.1016/j.tree.2016.08.010 DOI | PDF
Ripple WJ, Newsome TM, Kerley GH. 2016. Does Trophy Hunting Support Biodiversity? A Response to Di Minin et al. Trends in Ecology and Evolution. 31(7):495-496. https://doi.org/10.1016/j.tree.2016.03.011 DOI | PDF
Sarasola JH, Zanón-Martínez JI, Costán AS, Ripple WJ. 2016. Hypercarnivorous apex predator could provide ecosystem services by dispersing seeds. Scientific Reports. 6 https://doi.org/10.1038/srep19647 DOI | PDF
Virgos E, Lozano J, Cabezas-Dı´az S, Macdonald DW, Zalewski A, Atienza JC, Proulx G, Ripple WJ, Rosalino LM, Santos-Reis M. et al.. 2016. A poor international standard for trap selectivity threatens carnivore conservation. Biodivers Conserv. https://doi.org/10.1007/s10531-016-1117-7 DOI | PDF
Wolf C, Ripple WJ. 2016. Prey depletion as a threat to the world's large carnivores. Royal Society Open Science. https://doi.org/10.1098/rsos.160252 DOI | PDF
2015
Batchelor JL, Ripple WJ, Wilson TM, Painter LE. 2015. Restoration of Riparian Areas Following the Removal of Cattle in the Northwestern Great Basin. Environmental Management. 55(4):930–942. https://doi.org/10.1007/s00267-014-0436-2 DOI | PDF
Beschta RL, Ripple WJ. 2015. Divergent patterns of riparian cottonwood recovery after the return of wolves in Yellowstone, USA. Ecohydrology. 8:58-66. PDF
Eisenberg C, Hibbs DE, Ripple WJ. 2015. Effects of predation risk on elk (Cervus elaphus) landscape use in a wolf (Canis lupus) dominated system. Can. J. Zool.. 93:99-111. https://doi.org/10.1139/cjz-2014-0138 DOI | PDF
Machovina B, Feeley KJ, Ripple WJ. 2015. Biodiversity conservation: The key is reducing meat consumption. Science of the Total Environment. 536:419-431. https://doi.org/10.1016/j.scitotenv.2015.07.022 DOI | PDF
McAlpine CA, Seabrook LM, Ryan JG, Feeney BJ, Ripple WJ, Ehrlich AH, Ehrlich PR. 2015. Transformational change: creating a safe operating space for humanity. Ecology and Society. 20(1) https://doi.org/10.5751/ES-07181-200156 DOI | PDF
Newsome TM, Ballard GA, Crowther MS, Dellinger JA, Fleming PS, Glen AS, Greenville AC, Johnson CN, Letnic M, Moseby K.E. et al.. 2015. Resolving the value of the dingo in ecological restoration. Restoration Ecology. 23(3):201-208. https://doi.org/10.1111/rec.12186 DOI | PDF
Newsome TM, Bruskotter JT, Ripple WJ. 2015. When shooting a coyote kills a wolf: Mistaken identity or misguided management? Biodivers Conserv. 24(12) https://doi.org/10.1007/s10531-015-0999-0 DOI | PDF
Newsome TM, Ripple WJ. 2015. Carnivore coexistence: Trophic cascades. Science. 347:383-383. PDF
Painter LE, Beschta RL, Larsen EJ, Ripple WJ. 2015. Recovering aspen follow changing elk dynamics in Yellowstone: evidence of a trophic cascade? Ecology. 96(1):252-263. https://doi.org/10.6084/m9.figshare.c.3307380.v1 DOI | PDF
Ripple WJ, Beschta RL, Fortin JK, Robbins CT. 2015. Wolves trigger a trophic cascade to berries as alternative food for grizzly bears. Journal of Animal Ecology. 84:652-654. https://doi.org/10.1111/1365-2656.12339 DOI | PDF
Ripple WJ, Beschta RL, Painter LE. 2015. Trophic cascades from wolves to alders in Yellowstone. Forest Ecology and Management. 354:254-260. https://doi.org/10.1016/j.foreco.2015.06.007 DOI | PDF
Ripple WJ, Newsome TM, Wolf C, Dirzo R, Everatt KT, Galetti M, Hayward MW, Kerley GH, Levi T, Lindsey P.A. et al.. 2015. Collapse of the world's largest herbivores. Science Advances. 1(4) https://doi.org/10.1126/sciadv.1400103 DOI | PDF
Valkenburgh BV, Hayward MW, Ripple WJ, Meloro C, Roth VL. 2015. The impact of large terrestrial carnivores on Pleistocene ecosystems. PNAS. 113(4):862-867. https://doi.org/10.1073/pnas.1502554112 DOI | PDF
Wallach AD, Izhaki I, Toms JD, Ripple WJ, Shanas U. 2015. What is an apex predator? Oikos. 124(11):1453-1461. https://doi.org/10.1111/oik.01977 DOI | PDF