Supporting Information Table S1 Table S1 Select effects of megaherbivores on vegetation in modern landscapes Effect Alleviation of plant competitive exclusion Maintenance of vegetation openness Influencing nutrient cycle rates Seed dispersal Reducing single-species dominance (+ biodiversity) Selective foraging ( biodiversity) Gap production Disturbed germination sites Changed timing of sexual maturation Inhibited net growth via loss of C and N stores Changes in above- and below-ground allocation Compensatory growth response Slowed growth Changes in community composition Induced defenses Plastic growth response Altered nutrient cycles Reductions in litter quantity and quality Reference Edenius et al. (1993) Olofsson et al. (2004) Ritchie et al. (1998) Janzen (1983) Parker et al. (2006) Anderson & Katz (1993) Bullock et al. (1994) Hobbs (2006) West (2012) Bakker et al. (2006) Holland et al. (1996) Rooke (2004) Roth (1996) Fahnestock & Knapp (1994) Hanley (2007) Hester et al. (2006) Cech et al. (2010) Pastor & Naiman (1992) References Anderson RC, Katz AJ. 1993. Recovery of browse-sensitive tree species following release from white-tailed deer (Odocoileus virginianus zimmerman) browsing pressure. Biological Conservation 63: 203-208. Bakker ES, Ritchie ME, Olff H, Milchunas DG, Knops JMH. 2006. Herbivore impact on grassland plant diversity depends on habitat productivity and herbivore size. Ecology Letters 9: 780-788. Bullock JM, Clear Hill B, Dale MP, Silvertown J. 1994. An experimental study of vegetation change due to grazing in a species-poor grassland and the role of the seed bank. Journal of Applied Ecology 31: 737-747. Cech PG, Venterink HO, Edwards PJ. 2010. N and P Cycling in Tanzanian humid savanna: influence of herbivores, fire, and N2-Fixation. Ecosystems 13: 10791096. Edenius L, Danell K, Bergstrom R. 1993. Impact of herbivory and competition on compensatory growth in woody plants: winter browsing by moose on Scots pine. Oikos 66: 268-292. Fahnestock JT, Knapp AK. 1994. Plant responses to selective grazing by bison: Interatctions between light, herbivory and water stress. Vegetatio 115: 123131. Hanley ME. 2007. Plant structural traits and their role in anti-herbivore defence. Perpsectives in Plant Ecology, Evolution and Systematics 8: 157-178. Hester AJ, Bergman M, Iason GR, Moen J. 2006. Impacts of large herbivores on plant community structure and dynamics. In: Danell K, Bergstrom R, Duncan P, Pastor J, eds. Large herbivore ecology, ecosystem dynamics and conservation. Cambridge, UK: Cambridge University Press, 97-141. Hobbs NT. 2006. Large herbivores as sources of disturbance in ecosystems. In: Danell K, Bergstrom R, Duncan P, Pastor J, eds. Large herbivore ecology, ecosystem dynamics and conservation. Cambridge, UK: Cambridge University Press, 261-282. Holland JN, Cheng W, Crossley DA Jr. 1996. Herbivore-induced changes in plant carbon allocation: assessment of below-ground C fluxes using carbon-14. Oecologia 107: 87-94. Janzen DH. 1983. Dispersal of seeds by vertebrate guts. In: Futuyma DJ, Slatkin M, eds. Coevolution. Sunderland, MA, USA: Sinauer, 232-262. McInnes PF, Naiman RJ, Pastor J, Cohen Y. 1992. Effects of moose browsing on vegetation and litter of the boreal forest, Isle Royale, MI, USA. Ecology 73: 2059-2075. Olofsson J, Hulme P, Oksanen L, Suominen I. 2004. Importance of large and small mammalian herbivores for the plant community structure in the forest tundra ecotone. Oikos 106: 323-334. Parker JD, Burkepile DE, Hay ME. 2006. Opposing effects of native and exotic herbivores on plant invasions. Science 322: 1459-1461. Ritchie ME, Tilman D, Knops JMH. 1998. Herbivore effects on plant and nitrogen dynamics in oak savanna. Ecology 70: 165-177. Rooke T. 2004. Growth responses of a woody species to clipping and goat saliva. African Journal of Ecology 41: 324-238. Roth R. 1996. The effect of deer on naturally regenerating forest. Zeitshrift für Jagdwissenshaft 42: 143-156. West NM. 2012. Herbivory affects patterns of plant reproductive effort and seed production. PhD rhesis, University of Nebraska Lincoln, Nebraska, USA.