Arctic Resilience: No Evidence of Vegetation Change in Response to Grazing and Climate Changes in South Greenland

References Cited

• Arft, A. M. , Walker, M. D. , Gurevitch, J. , Alatalo, J. M. , Bret-Harte, M. S. , Dale, M. , Diemer, M. , Gugerli, F. , Henry, G. H. R. , Jones, M. H. , Hollister, R. D. , Jónsdóttir, I. S. , Laine, K. , Lévesque, E. , Marion, G. M. , Molau, U. , Mølgaard, P. , Nordenhäll, U. , Raszhivin, V. , Robinson, C. H. , Starr, G. , Stenström, A. , Stenström, M. , Totland, Ø. , Turner, P. L. , Walker, L. J. , Webber, P. J. , Welker, J. M. , and Wookey, P. A. , 1999: Responses of tundra plants to experimental warming: meta-analysis of the international tundra experiment. Ecological Monographs , 69: 491–511.
   Web of Science ®Google Scholar
• Austrheim, G. , Asheim, L.-J. , Bjarnason, G. , Feilberg, J. , Fosaa, A. M. , Holand, Ø. , Høegh, K. , Jónsdóttir, I. S. , Magnússon, B. , Mortensen, L. E. , Mysterud, A. , Olsen, E. , Skonhoft, A. , Steinheim, G. , and Thórhallsdóttir, A. G. , 2008: Sheep Grazing in the North-Atlantic Region—A Long Term Perspective on Management, Resource Economy and Ecology. Norges Teknisk-Naturvitenskapelige Universitet.
   Google Scholar
• Bråthen, K. , Ims, R. , Yoccoz, N. , Fauchald, P. , Tveraa, T. , and Hausner, V. , 2007: Induced shift in ecosystem productivity? Extensive scale effects of abundant large herbivores. Ecosystems , 10: 773–789.
   Web of Science ®Google Scholar
• Bryant, J. P. , Joly, K. , Chapin III, F. S. , DeAngelis, D. L. , and Kielland, K. , 2014: Can antibrowsing defense regulate the spread of woody vegetation in Arctic tundra? Ecography , 37: 204–211.
   Google Scholar
• Cahoon, S. M. P. , Sullivan, P. F. , Shaver, G. R. , Welker, J. M. , Post, E. , and Holyoak, M. , 2012: Interactions among shrub cover and the soil microclimate may determine future Arctic carbon budgets. Ecology Letters , 15: 1415–1422.
   Google Scholar
• Callaghan, T. V. , Björn, L. O. , Chernov, Y. , Chapin, T. , Christensen, T. R. , Huntley, B. , Ims, R. A. , Johansson, M. , Jolly, D. , Jonasson, S. , Matveyeva, N. , Panikov, N. , Oechel, W. , Shaver, G. , and Henttonen, H. , 2004: Effects on the structure of Arctic ecosystems in the short- and long-term perspectives. Ambio , 33: 436–447.
   PubMedGoogle Scholar
• Cappelen, J. , 2015: Greenland—DMI Historical Climate Data Collection 1784–2014. Copenhagen: Danish Meteorological Institute.
   Google Scholar
• Carlin, B. P. , and Louis, T. A. , 1996: Bayes and Empirical Bayes Methods for Data Analysis. London: Chapman & Hall.
   Google Scholar
• Celeux, G. , Forbes, F. , Robert, C. P. , and Titterington, D. M. , 2006: Deviance information criteria for missing data models. Bayesian Analysis , 1: 651–674.
   Web of Science ®Google Scholar
• Chapin III, F. S. , Shaver, G. R. , Giblin, A. E. , Nadelhoffer, K. J. , and Laundre, J. A. , 1995: Responses of Arctic tundra to experimental and observed changes in climate. Ecology , 76: 694–711.
   Web of Science ®Google Scholar
• Christensen, O. B. , Drews, M. , Christensen, J. H. , Dethloff, K. , Ketelsen, K. , Hebestadt, I. , and Rinke, A. , 2006: The HIRHAM Regional Climate Model. Version 5. Copenhagen: Danish Meteorological Institute.
   Google Scholar
• Christie, K. S. , Bryant, J. P. , Gough, L. , Ravolainen, V. T. , Ruess, R. W. , and Tape, K. D. , 2015: The role of vertebrate herbivores in regulating shrub expansion in the Arctic: a synthesis. BioScience , 65(12): 1123–1133.
   Google Scholar
• Crawley, M. J. , 1983: Herbivory, the Dynamics of Animal-Plant Interactions. Berkeley: University of California Press.
   Google Scholar
• Damgaard, C. , 2012: Trend analyses of hierarchical pin-point cover data. Ecology , 93: 1269–1274.
   Google Scholar
• Damgaard, C. , 2013: Hierarchical and spatially aggregated plant cover data. Ecological Informatics , 18: 35–39.
   Google Scholar
• Damgaard, C. , 2014: Estimating mean plant cover from different types of cover data: a coherent statistical framework. Ecosphere , 5(2): 1–7.
   Google Scholar
• Damgaard, C. , 2015: Modelling pin-point cover data of complementary vegetation classes. Ecological Informatics , 30: 179–184.
   Google Scholar
• Daniëls, F. J. A. , de Molenaar, J. G. , Chytrý, M. , and Tichý, L. , 2011: Vegetation change in Southeast Greenland? Tasiilaq revisited after 40 years. Applied Vegetation Science , 14: 230– 241.
   Web of Science ®Google Scholar
• Dee, D. P. , Uppala, S. M. , Simmons, A. J. , Berrisford, P. , Poli, P. , Kobayashi, S. , Andrae, U. , Balmaseda, M. A. , Balsamo, G. , Bauer, P. , Bechtold, P. , Beljaars, A. C. M. , Berg, L. v. d. , Bidlot, J. , Bormann, N. , Delsol, C. , Dragani, R. , Fuentes, M. , Geer, A. J. , Haimberger, L. , Healy, S. B. , Hersbach, H. , Hólm, E. V. , Isaksen, L. , Kallberg, P. , Köhler, M. , Matricardi, M. , McNally, A. P. , Monge-Sanz, B. M. , Morcrette, J. J. , Park, B. K. , Peubey, C. , Rosnay, P. d. , Tavolato, C. , Thépaut, J. N. , and Vitart, F. , 2011: The ERA-Interim reanalysis: configuration and performance of the data assimilation system. Quarterly Journal of The Royal Meteorological Society , 137: 553–597.
   Web of Science ®Google Scholar
• den Herder, M. , Virtanen, R. , and Roininen, H. , 2008: Reindeer herbivory reduces willow growth and grouse forage in a forest-tundra ecotone. Basic and Applied Ecology , 9: 324–331.
   Web of Science ®Google Scholar
• Elmendorf, S. C. , Henry, G. H. R. , Hollister, R. D. , Bjork, R. G. , Boulanger-Lapointe, N. , Cooper, E. J. , Cornelissen, J. H. C. , Day, T. A. , Dorrepaal, E. , Elumeeva, T. G. , Gill, M. , Gould, W. A. , Harte J. , Hik, D. S. , Hofgaard,A. , Johnson, D. R. , Johnstone, J. F. , Jonsdottir, I. S. , Jorgenson, J. C. , Klanderud, K. , Klein, J. A. , Koh, S. , Kudo, G. , Lara, M. , Levesque, E. , Magnusson, B. , May, J. L. , Mercado-Diaz, J. A. , Michelsen, A. , Molau, U. , Myers-Smith, I. H. , Oberbauer, S. F. , Onipchenko, V. G. , Rixen, C. , Martin Schmidt, N. , Shaver, G. R. , Spasojevic, M. J. , orhallsdottir, o. E. , Tolvanen, A. , Troxler, T. , Tweedie, C. E. , Villareal, S. , Wahren, C.-H. , Walker, X. , Webber, P.J. , Welker, J. M. , and Wipf, S. , 2012: Plot-scale evidence of tundra vegetation change and links to recent summer warming. Nature Climate Change , 2: 453–457.
   Web of Science ®Google Scholar
• Gough, L. , Moore, J. C. , Shaver, G. R. , Simpson, R. T. , and Johnson, D. R. , 2012: Above- and belowground responses of Arctic tundra ecosystems to altered soil nutrients and mammalian herbivory. Ecology , 93: 1683–1694.
   Web of Science ®Google Scholar
• Jørgensen, R. H. , Meilby, H. , and Kollmann, J. , 2013: Shrub expansion in SW Greenland under modest regional warming: disentangling effects of human disturbance and grazing. Arctic, Antarctic, and Alpine Research , 45: 515–525.
   Web of Science ®Google Scholar
• Jorgenson, J. C. , Raynolds, M. K. , Reynolds, J. H. , and Benson, A. -M. , 2015: Twenty-five year record of changes in plant cover on tundra of northeastern Alaska. Arctic, Antarctic, and Alpine Research , 47: 785–806.
   Web of Science ®Google Scholar
• Kent, M. , and Coker, P. , 1992: Vegetation Description and Analysis. London: Belhaven Press.
   Google Scholar
• Kitti, H. , Forbes, B. C. , and Oksanen, J. , 2009: Long- and short-term effects of reindeer grazing on tundra wetland vegetation. Polar Biology , 32: 253–261.
   Web of Science ®Google Scholar
• Langen, P. L. , Mottram, R. H. , Christensen, J. H. , Boberg, F. , Rodehacke, C. B. , Stendel, M. , van As, D. , Ahlstrøm, A. P. , Mortensen, J. , Rysgaard, S. , Petersen, D. , Svendsen, K. H. , Aðalgeirsdóttir, G. , and Cappelen, J. , 2015: Quantifying energy and mass fluxes controlling Godthåbsfjord freshwater input in a 5-km simulation (1991–2012). Journal of Climate , 28: 3694–3713.
   Google Scholar
• Larsen, J. N. , Anisimov, O. A. , Constable, A. , Hollowed, A. B. , Maynard, N. , Prestrud, P. , Prowse, T. D. , and Stone, J. M. R. , 2014: Polar Regions. Cambridge, United Kingdom, and New York: Cambridge University Press.
   Google Scholar
• Lucas-Picher, P. , Wulff-Nielsen, M. , Christensen, J. H. , Aðalgeirsdóttir, G. , Mottram, R. , and Simonsen, S. B. , 2012: Very high resolution regional climate model simulations over Greenland: identifying added value. Journal of Geophysical Research , 117: doi http://dx.doi.org/10.1029/2011JD016267 .
   Google Scholar
• Manseau, M. , Huot, J. , and Crête, M. , 1996: Effects of summer grazing by caribou on composition and productivity of vegetation: community and productivity level. Journal of Ecology , 84: 503–513.
   Web of Science ®Google Scholar
• Mulder, C. P. H. , 1999: Vertebrate herbivores and plants in the Arctic and subarctic: effects on individuals, populations, communities and ecosystems. Perspectives in Plant Ecology, Evolution and Systematics , 2: 29–55.
   Google Scholar
• Myers-Smith, I. H. , Forbes, B. C. , Wilmking, M. , Hallinger, M. , Lantz, T. , Blok, D. , Tape, K. D. , Macias-Fauria, M. , Sass-Klaassen, U. , Lévesque, E. , Boudreau, S. , Ropars, P. , Hermanutz, L. , Trant, A. , Collier, L. S. , Weijers, S. , Rozema, J. , Rayback, S. a. , Schmidt, N. M. , Schaepman-Strub, G. , Wipf, S. , Rixen, C. , Ménard, C. B. , Venn, S. , Goetz, S. , Andreu-Hayles, L. , Elmendorf, S. , Ravolainen, V. , Welker, J. , Grogan, P. , Epstein, H. E. , and Hik, D. S. , 2011: Shrub expansion in tundra ecosystems: dynamics, impacts and research priorities. Environmental Research Letters , 6: doi http://dx.doi.org/10.1088/1748-9326/6/4/045509 .
   Google Scholar
• Myers-Smith, I. H. , Elmendorf, S. C. , Beck, P.S.A. , Wilmking, M. , Hallinger, M. , Blok, D. , Tape, K. D. , Rayback, S. A. , Macias-Fauria, M. , Forbes, B. C. , Speed, J. D. M. , Boulanger-Lapointe, N. , Rixen, C. , Levesque, E. , Schmidt, N. M. , Baittinger, C. , Trant, A. J. , Hermanutz, L. , Collier, L. S. , Dawes, M. A. , Lantz, T. C. , Weijers, S. , Jorgensen, R. H. , Buchwal, A. , Buras, A. , Naito, A. T. , Ravolainen, V. , Schaepman-Strub, G. , Wheeler, J. A. , Wipf, S. , Guay, K. C. , Hik, D. S. , and Vellend, M. , 2015: Climate sensitivity of shrub growth across the tundra biome. Nature Climate Change , 5: 887–891.
   Web of Science ®Google Scholar
• Normand, S. , Raandin, C. , Ohlemüller, R. , Bay, C. , Høye, T.T. , Kjær, E. D. , Körner, C. , Lischke, H. , Maiorano, L. , Paulsen, J. , Pearman, P. B. , Psomas, A. , Treier, U. A. , Zimmermann, N. E. , and Svenning, J.-C. , 2013: A greener Greenland? Climatic potential and long-term constraints on future expansions of trees and shrubs. Philosophical Transactions of the Royal Society B: Biological Sciences , 368: doi http://dx.doi.org/10.1098/rstb.2012.0479 .
   Google Scholar
• O'Hara, R. B. , and Sillanpää, M. J. , 2009: A review of Bayesian variable selection methods: what, how and which. Bayesian Analysis , 4: 85–118.
   Web of Science ®Google Scholar
• Olofsson, J. , Kitti, H. , Rautiainen, P. , Stark, S. , and Oksanen, L. , 2001: Effects of summer grazing by reindeer on composition of vegetation, productivity and nitrogen cycling. Ecography , 24: 13–24.
   Web of Science ®Google Scholar
• Olofsson, J. , Oksanen, L. , Callaghan, T. , Hulme, P. E. , Oksanen, T. , and Suominen, O. , 2009: Herbivores inhibit climate-driven shrub expansion on the tundra. Global Change Biology , 15: 2681–2693.
   Web of Science ®Google Scholar
• Post, E. , and Klein, D. , 1996: Relationships between graminoid growth form and levels of grazing by caribou (Rangifer tarandus) in Alaska. Oecologia , 107: 364–372.
   Google Scholar
• Post, E. , and Pedersen, C. , 2008: Opposing plant community responses to warming with and without herbivores. Proceedings of the National Academy of Sciences , 105: 12353–12358.
   PubMed Web of Science ®Google Scholar
• Post, E. , Forchhammer, M. C. , Bret-Harte, M. S. , Callaghan, T. V. , Christensen, T. R. , Elberling, B. , Fox, A. D. , Gilg, O. , Hik, D. S. , Høye, T. T. , Ims, R. A. , Jeppesen, E. , Klein, D. R. , Madsen, J. , McGuire, A. D. , Rysgaard, S. , Schindler, D. E. , Stirling, I. , Tamstorf, M. P. , Tyler, N. J. C. , van der Wal, R. , Welker, J. , Wookey, P. A. , Schmidt, N. M. , and Aastrup, P. , 2009: Ecological dynamics across the Arctic associated with recent climate change. Science , 325: 1355–1358.
   PubMed Web of Science ®Google Scholar
• Rundqvist, S. , Hedenås, H. , Sandström, A. , Emanuelsson, U. , Eriksson, H. , Jonasson, C. , and Callaghan, T. , 2011: Tree and shrub expansion over the past 34 years at the tree-line near Abisko, Sweden. Ambio , 40: 683–692.
   PubMed Web of Science ®Google Scholar
• Saito, K. , Zhang, T. , Yang, D. , Marchenko, S. , Barry, R. G. , Romanovsky, V. , and Hinzman, L. , 2013: Influence of the physical terrestrial Arctic in the eco-climate system. Ecological Applications , 23: 1778–1797.
   Google Scholar
• Spiegelhalter, D. J. , Best, N. G. , Carlin, B. P. , and van der Linde, A. , 2002: Bayesian measures of model complexity and fit. Journal of Royal Statistical Society B , 64: 583–639.
   Google Scholar
• Sturm, M. , Schimel, J. , Michaelson, G. , Welker, J. M. , Oberbauer, S. F. , Liston, G. E. , Fahnestock, J. , and Romanovsky, V. E. , 2005: Winter biological processes could help convert Arctic Tundra to shrubland. Bioscience , 55: 17–17.
   Web of Science ®Google Scholar
• Tape, K. , Sturm, M. , and Racine, C. , 2006: The evidence for shrub expansion in northern Alaska and the Pan-Arctic. Global Change Biology , 12: 686–702.
   Web of Science ®Google Scholar
• Turkington, R. , 2009: Top-down and bottom-up forces in mammalian herbivore—vegetation systems: an essay review. Botany , 87: 723–739.
   Google Scholar
• Walker, M. D. , Wahren, C. H. , Hollister, R. D. , Henry, G. H. R. , Ahlquist, L. E. , Alatalo, J. M. , Bret-Harte, M. S. , Calef, M. P. , Callaghan, T.V. , Carroll, A. B. , Epstein, H. E. , Jónsdóttir, I. S. , Klein, J. a. , Magnússon, B. , Molau, U. , Oberbauer, S. F. , Rewa, S. P. , Robinson, C. H. , Shaver, G. R. , Suding, K. N. , Thompson, C. C. , Tolvanen, A. , Totland, Ø. , Turner, P. L. , Tweedie, C. E. , Webber, P. J. , and Wookey, P. a. , 2006: Plant community responses to experimental warming across the tundra biome. Proceedings of the National Academy of Sciences of the United States of America , 103: 1342–1346.
   PubMed Web of Science ®Google Scholar
• Wolfram, S. , 2013: Mathematica. Champaign, Illinois: Wolfram Research.
   Google Scholar
• Zamin, T. J. , and Grogan, P. , 2013: Caribou exclusion during a population low increases deciduous and evergreen shrub species biomass and nitrogen pools in low Arctic tundra. Journal of Ecology , 101: 671–683.
   Google Scholar