After long-term decline, are aspen recovering in northern Yellowstone?

Forest Ecology and Management

Volumn 329, Issue , 2014, Pages 108-117

  Painter, Luke E ^a   Beschta, Robert L ^a   Larsen, Eric J ^b   Ripple, William J ^a  

^a OREGON STATE UNIVERSITY   (United States)

^b UNIVERSITY OF WISCONSIN STEVENS POINT   (United States)

Author keywords

Browsing effects; Elk; Palmer drought index; Trophic cascade; Wolves; Yellowstone National Park

Indexed keywords

ECOLOGY; FORESTRY;

BROWSING EFFECTS; ELK; PALMER DROUGHT INDEX; TROPHIC CASCADES; WOLVES; YELLOWSTONE NATIONAL PARKS;

DROUGHT;

BEAR; BROWSING; CANID; DECIDUOUS TREE; DEER; DROUGHT; FELID; GUILD STRUCTURE; HEIGHT; INTRAGUILD PREDATION; POPULATION DECLINE; POPULATION DENSITY; RECRUITMENT (POPULATION DYNAMICS); REINTRODUCTION; SPATIAL DISTRIBUTION; SPATIOTEMPORAL ANALYSIS; TROPHIC CASCADE;

UNITED STATES; YELLOWSTONE NATIONAL PARK;

CANIDAE; CANIS LUPUS; CERVUS ELAPHUS; POPULUS TREMULOIDES; PUMA CONCOLOR; URSUS;

EID: 84928418941     PISSN: 03781127     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foreco.2014.05.055     Document Type: Article

References (98)

1. Abatzoglou J.T. Development of gridded surface meteorological data for ecological applications and modelling. Int. J. Climatol. 2013, 33:121-131.
2. Barber-Meyer S.M., Mech L.D., White P.J. Elk calf survival and mortality following wolf restoration to Yellowstone National Park. Wildlife Monogr. 2008, 169:1-30.
3. Baril L.M., Hansen A.J., Renkin R., Lawrence R. Songbird response to increased willow (Salix spp.) growth in Yellowstone's northern range. Ecol. Appl. 2011, 21:2283-2296.
4. Barmore, W.J., 1967. Conflicts in recreation: elk versus aspen in Yellowstone National Park. Paper presented at the 20th Annual Meeting, American Society of Range Management. Office of Natural Sciences, National Park Service.
5. Barmore, W.J., 2003. Ecology of Ungulates and their Winter Range in Northern Yellowstone National Park; Research and Synthesis 1962-1970, Yellowstone Center for Resources, Yellowstone National Park.
6. Beschta R.L. Reduced cottonwood recruitment following extirpation of wolves in Yellowstone's northern range. Ecology 2005, 86:391-403.
7. Beschta R.L., Ripple W.J. Wolves, elk, and aspen in the winter range of Jasper National Park, Canada. Can. J. Forest Res. 2007, 37:1873-1885.
8. Beschta R.L., Ripple W.J. Large predators and trophic cascades in terrestrial ecosystems of the western United States. Biol. Conserv. 2009, 142:2401-2414.
9. Beschta R.L., Ripple W.J. Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade - comment. Ecology 2013, 94:1420-1425.
10. Beyer H.L., Merrill E.H., Varley N., Boyce M.S. Willow on Yellowstone's northern range: evidence for a trophic cascade?. Ecol. Appl. 2007, 17:1563-1571.
11. Bilyeu D.M., Cooper D.J., Hobbs N.T. Water tables constrain height recovery of willow on Yellowstone's northern range. Ecol. Appl. 2008, 18:80-92.
12. Brodie J., Post E., Watson F., Berger J. Climate change intensification of herbivore impacts on tree recruitment. Proc. R. Soc. B: Biol. Sci. 2011, 279:1366-1370.
13. Callan R., Nibbelink N.P., Rooney T.P., Wiedenhoeft J.E., Wydeven A.P. Recolonizing wolves trigger a trophic cascade in Wisconsin (USA). J. Ecol. 2013, 101:837-845.
14. Cook E.R., Woodhouse C.A., Eakin C.M., Meko D.M., Stahle D.W. Long-term aridity changes in the western United States. Science 2004, 306:1015-1018.
15. Daly C., Halbleib M., Smith J.I., Gibson W.P., Doggett M.K., Taylor G.H., Curtis J., Pasteris P.P. Physiographically sensitive mapping of climatological temperature and precipitation across the conterminous United States. Int. J. Climatol. 2008, 28:2031-2064.
16. Despain, D.G., 2006. An alternative explanation for willow height increase following wolf reintroduction. In: Biel, A.W., (Ed.), Greater Yellowstone Public Lands: A Century of Discovery, Hard Lessons, and Bright Prospects, Proceedings of the 8th Biennial Scientific Conference on the Greater Yellowstone Ecosystem, 2005. Yellowstone National Park, p. 237.
17. Eberhardt L.L., White P.J., Garrott R.A., Houston D.B. A seventy-year history of trends in Yellowstone's northern elk herd. J. Wildlife Manage. 2007, 71:594-602.
18. Efron B., Tibshirani R.J. An Introduction to the Bootstrap 1993, Chapman & Hall.
19. Eisenberg, C., Seager, S.T., Hibbs, D.E., 2013. Wolf, elk, and aspen food web relationships: context and complexity. Forest Ecol. Manage. 299, 70-80.
20. Fortin D., Beyer H.L., Boyce M.S., Smith D.W., Duchesne T., Mao J.S. Wolves influence elk movements: behavior shapes a trophic cascade in Yellowstone National Park. Ecology 2005, 86:1320-1330.
21. Frank D.A., Wallen R.L., White P.J. Assessing the effects of climate and wolf restoration on grassland processes. Yellowstone's Wildlife in Transition 2013, 195-208. Harvard University Press. P.J. White, R.A. Garrott, G.E. Plumb (Eds.).
22. Garrott R.A., Eberhardt L.L., White P.J. Climate-induced variation in vital rates of an unharvested large-herbivore population. Can. J. Zool. 2003, 81:33.
23. Gude J.A., Garrott R.A., Borkowski J.J., King F. Prey risk allocation in a grazing ecosystem. Ecol. Appl. 2006, 16:285-298.
24. Haggerty J.H., Travis W.R. Out of administrative control: absentee owners, resident elk and the shifting nature of wildlife management in southwestern Montana. Geoforum 2006, 37:816-830.
25. Halofsky J., Ripple W.J. Linkages between wolf presence and aspen recruitment in the Gallatin elk winter range of southwestern Montana, USA. Forestry 2008, 81:195-207.
26. Hamlin, K.L., Cunningham, J.A., 2009. Monitoring and assessment of wolf-ungulate interactions and population trends within the Greater Yellowstone Area, southwestern Montana, and Montana statewide: Final Report. Montana Dept. of Fish, Wildlife, and Parks, Wildlife Division, Helena.
27. Hamlin K.L., Garrott R.A., White P.J., Cunningham J.A. Contrasting wolf-ungulate interactions in the Greater Yellowstone Ecosystem. The Ecology of Large Mammals in Central Yellowstone 2009, 541-577. Academic Press/Elsevier, Boston. R.A. Garrott, P.J. White, F.G.R. Watson (Eds.).
28. Hanna P., Kulakowski D. The influences of climate on aspen dieback. Forest Ecol. Manage. 2012, 274:91-98.
29. Hebblewhite M., Smith D.W. Wolf community ecology: ecosystem effects of recovering wolves in Banff and Yellowstone National Parks. The World of Wolves: New Perspectives on Ecology, Behaviour and Management 2010, 69-120. University of Calgary Press. L. Boitani, M. Musiani (Eds.).
30. Hebblewhite M., White C.A., Nietvelt C.G., McKenzie J.A., Hurd T.E., Fryxell J.M., Bayley S.E., Paquet P.C. Human activity mediates a trophic cascade caused by wolves. Ecology 2005, 86:2135-2144.
31. Heim R.R. A review of twentieth-century drought indices used in the United States. Bull. Am. Meteorol. Soc. 2002, 83:1149-1165.
32. Houston D.B. The Northern Yellowstone Elk: Ecology and Management 1982, Macmillan, New York.
33. Kauffman M.J. ERRATUM: are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade. Ecology 2013, 94:1432.
34. Kauffman M.J., Brodie J.F., Jules E.S. Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade. Ecology 2010, 91:2742-2755.
35. Kauffman M.J., Brodie J.F., Jules E.S. Are wolves saving Yellowstone's aspen? A landscape-level test of a behaviorally mediated trophic cascade: reply. Ecology 2013, 94:1425-1431.
36. Kay, C.E., 1990. Yellowstone's northern elk herd: a critical evaluation of the "natural regulation" paradigm. PhD dissertation. Utah State University, Logan.
37. Kay, C.E., 2001. Long-term aspen exclosures in the Yellowstone ecosystem. In: Shepperd, W.D., Binkley, D., Bartos, D.L., Stohlgren, T.J., Eskew, L.G. (Eds.), Sustaining Aspen in Western Landscapes: Symposium Proceedings, June 13-15, 2000, Grand Junction, Colorado. RMRS-P-18. USDA Forest Service, Rocky Mountain Research Station, Fort Collins, pp. 225-240.
38. Kay, C.E., Wagner, F.H., 1996. Response of shrub-aspen to Yellowstone's wildfires: implications for "natural regulation" management. In: Greenlee, J.M. (Ed.), Ecological Implications of Fire in Greater Yellowstone, Proceedings 2nd Biennial Conference on the Greater Yellowstone Ecosystem, Yellowstone National Park, 1993, 107-111.
39. Kimble D.S., Tyers D.B., Robison-Cox J., Sowell B.F. Aspen recovery since wolf reintroduction on the northern Yellowstone winter range. Rangeland Ecol. Manage. 2011, 64:119-130.
40. Kuijper, D.P.J., de Kleine, C., Churski, M., van Hooft, P., Bubnicki, J., Jedrzejewska, B., 2013. Landscape of fear in Europe: wolves affect spatial patterns of ungulate browsing in Białowiez˙a Primeval Forest, Poland. Ecography. doi: . doi:10.1111/j.1600-0587.2013.00266.x.
41. Kunkel K., Pletscher D.H. Species-specific population dynamics of cervids in a multipredator ecosystem. J. Wildlife Manage. 1999, 63:1082-1093.
42. Larsen, E.J., 2001. Aspen age structure and stand conditions on elk winter range in the northern Yellowstone ecosystem. PhD dissertation. Oregon State University, Corvallis.
43. Larsen E.J., Ripple W.J. Aspen age structure in the northern Yellowstone ecosystem: USA. Forest Ecol. Manage. 2003, 179:469-482.
44. Larsen E.J., Ripple W.J. Aspen stand conditions on elk winter ranges in the northern Yellowstone ecosystem, USA. Nat. Areas J. 2005, 25:326-338.
45. Lemke T.O., Mack J.A., Houston D.B. Winter range expansion by the northern Yellowstone elk herd. Intermountain J. Sci. 1998, 4:1-9.
46. Mao J.S., Boyce M.S., Smith D.W., Singer F.J., Vales D.J., Vore J.M., Merrill E.H. Habitat selection by elk before and after wolf reintroduction in Yellowstone National Park. J. Wildlife Manage. 2005, 69:1691-1707.
47. Marshall K.N., Hobbs N.T., Cooper D.J. Stream hydrology limits recovery of riparian ecosystems after wolf reintroduction. Proc. R. Soc. B: Biol. Sci. 2013, 280:20122977.
48. McMenamin S.K., Hadly E.A., Wright C.K. Climatic change and wetland desiccation cause amphibian decline in Yellowstone National Park. Proc. Natl. Acad. Sci. 2008, 105:16988-16993.
49. Middleton A.D., Morrison T.A., Fortin J.K., Robbins C.T., Proffitt K.M., White P.J., McWhirter D.E., Koel T.M., Brimeyer D.G., Fairbanks W.S., Kauffman M.J. Grizzly bear predation links the loss of native trout to the demography of migratory elk in Yellowstone. Proc. R. Soc. B: Biol. Sci. 2013, 280.
50. Muhly T.B., Alexander M., Boyce M.S., Creasey R., Hebblewhite M., Paton D., Pitt J.A., Musiani M. Differential risk effects of wolves on wild versus domestic prey have consequences for conservation. Oikos 2010, 119:1243-1254.
51. NCDC (National Climatic Data Center), 2013. North American Drought Monitor Indices. NOAA. <>. http://www.ncdc.noaa.gov.
52. NRC (National Research Council) Wolves, Bears, and Their Prey in Alaska 1997, National Academies Press, Washington, DC.
53. NRC (National Research Council) Ecological Dynamics on Yellowstone's Northern Range 2002, National Academies Press, Washington, DC.
54. NRCS (National Resource Conservation Service), 2012. SNOTEL Data and Products. USDA, National Water and Climate Center. <> (accessed 12.04.12). http://www.wcc.nrcs.usda.gov.
55. Painter, L.E., 2013. Trophic cascades and large mammals in the Yellowstone ecosystem. PhD dissertation. Oregon State University, Corvallis.
56. Painter L.E., Ripple W.J. Effects of bison on willow and cottonwood in northern Yellowstone National Park. Forest Ecol. Manage. 2012, 264:150-158.
57. Palmer, W.C., 1965. Meteorological Drought, Research Paper 45. US Weather Bureau, Washington, DC.
58. PRISM Climate Group, 2013. Descriptions of PRISM Spatial Climate Datasets. Northwest Alliance for Computational Science & Engineering, Oregon State University, Corvallis. <>. http://prism.oregonstate.edu.
59. Proffitt K.M., Gude J.A., Hamlin K.L., Messer M.A. Effects of hunter access and habitat security on elk habitat selection in landscapes with a public and private land matrix. J. Wildlife Manage. 2013, 77:514-524.
60. R Development Core Team R: A Language and Environment for Statistical Computing 2008, R Foundation for Statistical Computing, Vienna, Austria.
61. Renkin, R.A., Despain, D.G., 1996. Notes on postfire aspen seedling establishment. In: Greenlee, J.M., (Ed.), Ecological Implications of Fire in Greater Yellowstone, Proceedings 2nd Biennial Conference on the Greater Yellowstone Ecosystem, Yellowstone National Park, 1993, 105-106.
62. Ripple W.J., Beschta R.L. Restoring Yellowstone's aspen with wolves. Biol. Conserv. 2007, 138:514-519.
63. Ripple W.J., Beschta R.L. Large predators limit herbivore densities in northern forest ecosystems. Eur. J. Wildlife Res. 2012, 58:733-742.
64. Ripple W.J., Beschta R.L. Trophic cascades in Yellowstone: the first 15 years after wolf reintroduction. Biol. Conserv. 2012, 145:205-213.
65. Ripple W.J., Beschta R.L., Fortin J.K., Robbins C.T. Trophic cascades from wolves to grizzly bears in Yellowstone. J. Animal Ecol. 2014, 83:223-233.
66. Ripple W.J., Larsen E.J. Historic aspen recruitment, elk, and wolves in northern Yellowstone National Park, USA. Biol. Conserv. 2000, 95:361-370.
67. Ripple W.J., Larsen E.J., Renkin R.A., Smith D.W. Trophic cascades among wolves, elk and aspen on Yellowstone National Park's northern range. Biol. Conserv. 2001, 102:227-234.
68. Ripple W.J., Painter L.E., Beschta R.L., Gates C.C. Wolves, elk, bison, and secondary trophic cascades in Yellowstone National Park. Open Ecol. J. 2010, 3:31-37.
69. Romme W.H., Turner M.G., Wallace L.L., Walker J.S. Aspen, elk, and fire in northern Yellowstone Park. Ecology 1995, 76:2097-2106.
70. Runyon M.J., Tyers D.B., Sowell B.F., Gower C.N. Aspen restoration using beaver on the northern Yellowstone winter range under reduced ungulate herbivory. Restor. Ecol 2014, 10.1111/rec.12105.
71. Rush W.M. The Northern Yellowstone Elk Study 1932, Montana Fish and Game Commission, Helena.
72. Schmitz O.J., Hambäck P.A., Beckerman A.P. Trophic cascades in terrestrial systems: a review of the effects of carnivore removals on plants. Am. Nat. 2000, 155:141-153.
73. Schmitz O.J., Krivan V., Ovadia O. Trophic cascades: the primacy of trait-mediated indirect interactions. Ecol. Lett. 2004, 7:153-163.
74. Schwartz C.C., Haroldson M.A., White G.C., Harris R.B., Cherry S., Keating K.A., Moody D., Servheen C. Temporal, spatial, and environmental influences on the demographics of the Yellowstone grizzly bear. Wildlife Monogr. 2006, 161:1-68.
75. Seager, S.T., Eisenberg, C., St. Clair, S.B., 2013. Patterns and consequences of ungulate herbivory on aspen in western North America. Forest Ecol. Manage. 299, 81-90.
76. Singer F.J., Wang G., Hobbs N.T. The role of grazing ungulates and large keystone predators on plants, community structure, and ecosystem processes in national parks. Mammal Community Dynamics: Conservation and Management in Coniferous Forests of Western North America 2003, 444-486. Cambridge University Press, New York. C.J. Zabel, R.G. Anthony (Eds.).
77. Smith, D.W., Stahler, D.R., Stahler, E., Metz, M., Quimby, K., McIntyre, R., Ruhl, C., Martin, H., Kindermann, R., Bowersock, N., McDevitt, M., 2013. Yellowstone Wolf Project: Annual Report, 2012. YCR-2013-02. Yellowstone Center For Resources.
78. Smith D.W., Tyers D.B. The beavers of Yellowstone. Yellowstone Sci. 2008, 16:4-15.
79. Trophic Cascades: Predators Prey and the Changing Dynamics of Nature 2010, Island Press. J. Terborgh, J.A. Estes (Eds.).
80. Tercek M.T., Stottlemyer R., Renkin R. Bottom-up factors influencing riparian willow recovery in Yellowstone National Park. Western North Am. Nat. 2010, 70:387-399.
81. Vucetich J.A., Smith D.W., Stahler D.R. Influence of harvest, climate and wolf predation on Yellowstone elk, 1961-2004. Oikos 2005, 111:259-270.
82. Wagner F.H. Yellowstone's Destabilized Ecosystem: Elk Effects, Science, and Policy Conflict 2006, Oxford University Press, New York.
83. White C.A., Feller M.C., Bayley S. Predation risk and the functional response of elk-aspen herbivory. Forest Ecol. Manage. 2003, 181:77-97.
84. White C.A., Olmsted C.E., Kay C.E. Aspen, elk, and fire in the Rocky Mountain national parks of North America. Wildlife Soc. Bull. 1998, 26:449-462.
85. White P.J., Garrott R.A. Northern Yellowstone elk after wolf restoration. Wildlife Soc. Bull. 2005, 33:942-955.
86. White P.J., Garrott R.A. Yellowstone's ungulates after wolves - expectations, realizations, and predictions. Biol. Conserv. 2005, 125:141-152.
87. White P.J., Garrott R.A. Predation: wolf restoration and the transition of Yellowstone elk. Yellowstone's Wildlife in Transition 2013, 69-93. Harvard University Press. P.J. White, R.A. Garrott, G.E. Plumb (Eds.).
88. White P.J., Garrott R.A., Cherry S., Watson F.G.R., Gower C.N., Becker M.S., Meredith E. Changes in elk resource selection and distribution with the reestablishment of wolf predation risk. The Ecology of Large Mammals in Central Yellowstone 2009, 451-476. Academic Press/Elsevier, Boston. R.A. Garrott, P.J. White, F.G.R. Watson (Eds.).
89. White P.J., Proffitt K.M., Lemke T.O. Changes in elk distribution and group sizes after wolf restoration. Am. Midl. Nat. 2012, 167:174-187.
90. White P.J., Proffitt K.M., Mech L.D., Evans S.B., Cunningham J.A., Hamlin K.L. Migration of northern Yellowstone elk: implications of spatial structuring. J. Mammal. 2010, 91:827-837.
91. Wilmers C.C., Getz W.M. Gray wolves as climate change buffers in Yellowstone. PLoS Biol. 2005, 3:e92. 10.1371/journal.pbio.0030092.
92. Wilmers C.C., Levi T. Do irrigation and predator control reduce the productivity of migratory ungulate herds?. Ecology 2013, 94:1264-1270.
93. Winnie J.A. Predation risk, elk, and aspen: tests of a behaviorally mediated trophic cascade in the Greater Yellowstone Ecosystem. Ecology 2012, 93:2600-2614.
94. Wolf E.C., Cooper D.J., Hobbs N.T. Hydrologic regime and herbivory stabilize an alternative state in Yellowstone National Park. Ecol. Appl. 2007, 17:1572-1587.
95. WRCC (Western Regional Climate Center), 2013. West Wide Drought Tracker website. NOAA TRACS. <>. http://www.wrcc.dri.edu/wwdt/index.php.
96. Wyman T., Smith D.W. 2011-2012 Annual Winter Trend Count of Northern Yellowstone Elk 2012, Yellowstone Center for Resources, Yellowstone National Park.
97. Yellowstone Center for Resources, 2013. Yellowstone National Park: Natural and Cultural Resources Vital Signs. YCR-2013-02. National Park Service.
98. YNP (Yellowstone National Park), 1997. Yellowstone's Northern Range: Complexity and Change in a Wildland Ecosystem. National Park Service, Mammoth Hot Springs.