References
- Alaska Interagency Fire Effects Task Group. 2007. Fire effects monitoring protocol (version 1.0), ed. J. Allen, K. Murphy, and R. Jandt. Anchorage, AK: Alaska Wildland Fire Coordinating Group. https://www.frames.gov/documents/catalog/AK_Fire_Effects_Monitoring_Protocol_2007.pdf
- Alexander, H. D., and M. C. Mack. 2016. A canopy shift in interior Alaskan boreal forests: Consequences for above- and belowground carbon and nitrogen pools during post-fire succession. Ecosystems 19:98–114. doi:https://doi.org/10.1007/s10021-015-9920-7.
- Barrett, K., A. V. Rocha, M. J. Van de Weg, and G. Shaver. 2012. Vegetation shifts observed in arctic tundra 17 years after fire. Remote Sensing Letters 3:729–36. doi:https://doi.org/10.1080/2150704X.2012.676741.
- Benjamini, Y., and Y. Hochberg. 1995. Controlling the false discovery rate: A practical and powerful approach to multiple testing. Journal of the Royal Statistical Society. Series B (Methodological) 57:289–300. doi:https://doi.org/10.1111/j.2517-6161.1995.tb02031.x.
- Bergeron, Y., and M. D. Flannigan. 1995. Predicting the effects of climate change on fire frequency in the southeastern Canadian boreal forest. Water, Air, and Soil Pollution 82:437–44. doi:https://doi.org/10.1007/BF01182853.
- Berner, L. T., H. D. Alexander, M. M. Loranty, P. Ganzlin, M. C. Mack, S. P. Davydov, and S. Goetz. 2015. Biomass allometry for alder, dwarf birch and willow in boreal forest and tundra ecosystems of far northeastern Siberia and north-central Alaska. Forest Ecology and Management 337:110–18. doi:https://doi.org/10.1016/j.foreco.2014.10.027.
- Bliss, L. C., and R. W. Wein. 1972. Plant community responses to disturbances in the western Canadian Arctic. Canadian Journal of Botany 50:1097–109. doi:https://doi.org/10.1139/b72-136.
- Boby, L. A., E. A. G. Schuur, M. C. Mack, D. Verbyla, and J. F. Johnstone. 2010. Quantifying fire severity, carbon, and nitrogen emission in Alaska’s boreal forest. Ecological Applications 20:1633–47. doi:https://doi.org/10.1890/08-2295.1.
- Bret-Harte, M. S., M. C. Mack, G. R. Shaver, D. C. Huebner, M. Johnston, C. A. Mojica, C. Pizano, and J. A. Reiskind. 2013. The response of Arctic vegetation and soils following an unusually severe tundra fire. Philosophical Transactions of the Royal Society B-Biological Sciences 368:20120490. doi:https://doi.org/10.1098/rstb.2012.0490.
- Brown, C., and J. F. Johnstone. 2012. One burned, twice shy: Repeat fires reduce seed availabiilty and alter substrate constraints on Picea mariana regeneration. Forest Ecology and Management 266:36–41. doi:https://doi.org/10.1016/j.foreco.2011.11.006.
- Chapin, F. S., III., A. D. McGuire, R. W. Ruess, T. N. Hollingsworth, M. C. Mack, J. F. Johnstone, E. S. Kasischke, E. S. Euskirchen, J. B. Jones, M. T. Jorgenson, et al. 2010. Resilience to climate change in Alaska’s boreal forest. Canadian Journal Forest Research 40 (7):1360–70. doi:https://doi.org/10.1139/X1310-1074.
- Chipman, M. L., V. Hudspith, P. E. Higuera, P. A. Duffy, R. Kelly, W. W. Oswald, and F. S. Hu. 2015. Spatiotemporal patterns of tundra fires: Late-Quaternary charcoal records from Alaska. Biogeosciences 12:4017–27. doi:https://doi.org/10.5194/bg-12-4017-2015.
- Christie, K. S., R. W. Ruess, M. S. Lindberg, C. P. Mulder, and H. Y. H. Chen. 2014. Herbivores influence the growth, reproduction, and morphology of a widespread arctic willow. PLoS One 9:e101716. doi:https://doi.org/10.1371/journal.pone.0101716.
- Dale, V. H., L. A. Joyce, S. McNulty, R. P. Neilson, M. P. Ayres, M. D. Flannigan, P. J. Hanson, L. C. Irland, A. E. Lugo, C. J. Peterson, et al. 2001. Climate change and forest disturbances. Bioscience 51:723–34. doi:https://doi.org/10.1641/0006-3568(2001)051[0723:CCAFD]2.0.CO;2.
- Dyrness, C. T., and R. A. Norum. 1983. The effect of experimental fires on black spruce floors in interior Alaska. Canadian Journal of Forest Research 13:879–93. doi:https://doi.org/10.1139/x83-118.
- Epstein, H. E., J. Beringer, W. A. Gould, A. H. Lloyd, C. D. Thompson, F. S. Chapin III, G. J. Michaelson, C. L. Ping, T. S. Rupp, and D. A. Walker. 2004. The nature of spatial transitions in the Arctic. Journal of Biogeography 31:1917–33. doi:https://doi.org/10.1111/j.1365-2699.2004.01140.x.
- Fetcher, N., T. F. Beatty, B. Mullinax, and D. S. W. 1984. Changes in arctic tussock tundra thirteen years after fire. Ecology 65:1332–33. doi:https://doi.org/10.2307/1938338.
- Forbes, B. C., J. J. Ebersole, and B. Strandberg. 2001. Anthropogenic disturbance and patch dynamics in circumpolar Arctic ecosystems. Conservation Biology 15:954–69. doi:https://doi.org/10.1046/j.1523-1739.2001.015004954.x.
- French, N. H. F., L. K. Jenkins, T. V. Loboda, J. R. Flannigan, L. L. Bourgeau-Chavez, L. L. Bourgeau-Chavez, and M. Whitley. 2015. Fire in arctic tundra of Alaska: Past fire activity, future fire potential, and significance for land management and ecology. International Journal of Wildland Fire 24:1045–61. doi:https://doi.org/10.1071/WF14167.
- Genet, H., Y. He, Z. Lyu, A. D. McGuire, Q. Zhuang, J. Clein, D. D’Amore, A. Bennett, A. L. Breen, F. Biles, et al. 2017. The role of driving factors in historical and projected carbon dynamics of upland ecosystems in Alaska. Ecological Applications 28:5–27. doi:https://doi.org/10.1002/eap.1641.
- Graham, M. H. 2003. Confronting multicollinearity in ecological multiple regression. Ecology 84:2809–15. doi:https://doi.org/10.1890/02-3114.
- Hamann, A., Y. A. El-Kassaby, M. P. Koshy, and G. Namkoong. 1998. Multivariate analysis of allozymic and quantitative trait variation in Alnus rubra: Geographic patterns and evolutionary implications. Canadian Journal of Forest Research 28:1557–65.
- Hewitt, R. E., F. S. Chapin III, T. N. Hollingsworth, and D. L. Taylor. 2017. The potential for mycobiont sharing between shrubs and seedlings to facilitate tree establishment after wildfire at Alaska arctic treeline. Molecular Ecology 26:1–13. doi:https://doi.org/10.1111/mec.13947.
- Hewitt, R. E., T. N. Hollingsworth, D. L. Taylor, and F. S. Chapin III. 2016. Fire-severity effects on plant-fungal interactions after a novel disturbance in the Arctic: Implications for shrub and tree migration? BCM Ecology 16:25. https://doi.org/https://doi.org/10.1186/s12898-016-0075-y.
- Higuera, P. E., L. B. Brubaker, P. M. Anderson, T. A. Brown, A. T. Kennedy, F. S. Hu, and J. Chave. 2008. Frequent fires in ancient shrub tundra: Implications of paleorecords for arctic environmental change. PLoS One 3:e0001744. doi:https://doi.org/10.1371/journal.pone.0001744.
- Higuera, P. E., M. L. Chipman, J. L. Barnes, M. A. Urban, and F. S. Hu. 2011. Variability of tundra fire regimes in Arctic Alaska: Millennial-scale patterns and ecological implications. Ecological Applications 21:3211–26. doi:https://doi.org/10.1890/11-0387.1.
- Hinzman, L., D. L. Kane, K. Yoshikawa, A. Carr, W. R. Bolton, and M. Fraver. 2003. Hydrological variations among watersheds with varying degrees of permafrost. 8th International Conference on Permafrost. A.A. Balkema Publishers, Fairbanks, Alaska. U.S.A.
- Hinzman, L., N. Bettez, W. R. Bolton, F. S. Chapin III., M. Dyurgerov, C. L. Fastie, B. Griffith, R. D. Hollister, A. Hope, H. P. Huntington, et al. 2005. Evidence and implications of recent climate change in northern Alaska and other arctic regions. Climatic Change 72:251–98. doi:https://doi.org/10.1007/s10584-005-5352-2.
- Hobbie, S. E., J. P. Schimel, S. Trumbore, and J. R. Randerson. 2000. Controls over carbon storage and turnover in high-latitude soils. Global Change Biology 6:196–210. doi:https://doi.org/10.1046/j.1365-2486.2000.06021.x.
- Hollingsworth, T. N., J. F. Johnstone, E. Bernhardt, F. S. Chapin III, and K. O. Reinhart. 2013. Fire severity filters regeneration traits to shape community assembly in Alaska’s boreal forest. PLoS One 8:e56033. doi:https://doi.org/10.51371/journal.pone.0056033.
- Hu, F. S., P. E. Higuera, J. E. Walsh, W. L. Chapman, P. A. Duffy, L. B. Brubaker, and M. L. Chipman. 2010. Tundra burning in Alaska: Linkages to climatic change and sea ice retreat. Journal of Geophysical Research-Biogeosciences 115:G04002. doi:https://doi.org/10.1029/2009JG001270.
- Hu, F. S., P. E. Higuera, P. A. Duffy, M. L. Chipman, A. V. Rocha, A. M. Young, R. Kelly, and M. C. Dietze. 2015. Arctic tundra fires: Natural variability and response to climate change. Frontiers in Ecology and the Environment 13:369–77. doi:https://doi.org/10.1890/150063.
- Iversen, C. M., V. L. Sloan, P. F. Sullivan, E. S. Euskirchen, A. D. McGuire, R. Norby, A. P. Walker, J. M. Warren, and S. D. Wullschleger. 2015. Tansley review: The unseen iceberg: Plant roots in arctic tundra. New Phytologist 205:34–58. doi:https://doi.org/10.1111/nph.13003.
- Iwahana, G., K. Harada, S. Uchida, S. Tsuyuzaki, K. Saito, K. Narita, K. Kushida, and L. Hinzman. 2016. Geomorphological and geochemistry changes in permafrost after the 2002 tundra wildfire in Kougarok, Seward Peninsula, Alaska. Journal of Geophysical Research-Earth Surface 121:1697–715. doi:https://doi.org/10.1002/2016JF003921.
- Jandt, R., and C. Meyers. 2000. Recovery of lichen in tussock tundra fire in Northwestern Alaska. in U. S. D. o. t. Interior. Anchorage, Alaska: Bureau of Land Management.
- Johnstone, J. F., T. N. Hollingsworth, and F. S. Chapin III. 2008. A key for predicting postfire successional trajectories in Black Spruce stands of interior Alaska. Gen. Tech. Rep. PNW-GTR-767. Portland, OR: US Department of Agriculture, Forest Service, Pacific Northwest Research Station. 37 p., 767.
- Johnstone, J. F., T. N. Hollingsworth, F. S. Chapin III, and M. C. Mack. 2010. Changes in fire regime break the legacy lock on successional trajectories in Alaskan boreal forest. Global Change Biology 16:1281–95. doi:https://doi.org/10.1111/j.1365-2486.2009.02051.x.
- Joly, K., F. S. Chapin III, and D. R. Klein. 2010. Winter habitat selection by caribou in relation to lichen abundance, wildfires, grazing, and landscape characteristics in northwestern Alaska. Ecoscience 17:321–33. doi:https://doi.org/10.2980/17-3-3337.
- Jones, B. M., A. L. Breen, B. V. Gaglioti, D. H. Mann, A. V. Rocha, G. Grosse, C. D. Arp, M. Kunz, and D. A. Walker. 2013. Identification of unrecognized tundra fire events on the north slope of Alaska. Journal of Geophysical Research Biogeosicences 118:1334–44. doi:https://doi.org/10.1002/jgrg.20113.
- Jones, B. M., C. A. Kolden, R. Jandt, J. T. Abatzoglou, F. Urban, and C. D. Arp. 2009. Fire behavior, weather, and burn severity of the 2007 Anaktuvuk River tundra fire, North Slope, Alaska. Arctic, Antarctic, and Alpine Research 41:309–16. doi:https://doi.org/10.1657/1938-4246-41.3.309.
- Jones, B. M., G. Grosse, C. D. Arp, E. Miller, L. Liu, D. J. Hayes, and C. F. Larsen. 2015. Recent Arctic tundra fire initiates widespread thermokarst development. Scientific Reports 5:15865. doi:https://doi.org/10.1038/srep15865.
- Kruskal, J. B., and M. Wish. 1978. Multidimensional scaling. Beverly Hills: Sage Publications.
- Landhausser, S. M., and R. W. Wein. 1993. Postfire vegetation recovery and tree establishment at the arctic treeline: Climate-change-vegetation-response hypotheses. Journal of Ecology 81:665–72. doi:https://doi.org/10.2307/2261664.
- Lantz, T. C., S. E. Gergel, and G. H. R. Henry. 2010. Response of green alder (Alnus viridis subsp fruticosa) patch dynamics and plant community composition to fire and regional temperature in north-western Canada. Journal of Biogeography 37:1597–610.
- Lantz, T. C., S. V. Kokelj, S. E. Gergel, and G. H. R. Henry. 2009. Relative impacts of disturbance and temperature: Persistent changes in microenvironment and vegetation retrogressive thaw slumps. Global Change Biology 15:1664–75. doi:https://doi.org/10.1111/j.1365-2486.2009.01917.x.
- Liljedahl, A., L. Hinzman, R. Busey, and K. Yoshikawa. 2007. Physical short-term changes after a tussock tundra fire. Seward Peninsula, Alaska. Journal of Geophysical Research 112. doi:https://doi.org/10.1029/2006JF000554.
- Lloyd, A. H., T. S. Rupp, C. L. Fastie, and A. Starfield. 2003. Patterns and dynamics of treeline advance on the Seward Peninsula, Alaska. Journal of Geophysical Research 108:8161. doi:https://doi.org/10.1029/2001JD000852.
- Mack, M. C., M. S. Bret-Harte, T. N. Hollingsworth, R. R. Jandt, E. A. G. Schuur, G. R. Shaver, and D. L. Verbyla. 2011. Carbon loss from an unprecedented Arctic tundra wildfire. Nature 475:489–92. doi:https://doi.org/10.1038/nature10283.
- Masrur, A., A. N. Pretrov, and J. De Groote. 2018. Circumpolar spatio-temporal patterns and contributing climatic factors of wildfire activity in the Arctic tundra from 2001-2015. Environmental Research Letters 13:014019. doi:https://doi.org/10.1088/1748-9326/aa9a76.
- Mather, P. M. 1976. Computional methods of multivariate analysis in physical geography. London: Wiley & Sons.
- McCune, B., and J. B. Grace. 2002. Analysis of ecological communities. Gleneden Beach: MjM Software Design.
- McCune, B., and M. J. Mefford. 2017. PC-ORD. Multivariate analysis of ecological data, version 7. MjM Software Design, Gleneden Beach.
- Mekonnen, Z. A., W. Riley, and R. F. Grant. 2018. Accelerated nutrient cycling and increased light competition will lead to 21st century shrub expansion in North American tundra. Journal of Geophysical Research Biogeosicences 123:1683–701. doi:https://doi.org/10.1029/2017JG004319.
- Melvin, A. P., J. Murray, B. Boehlert, J. A. Martinich, L. Rennels, and T. S. Rupp. 2017. Estimating wildfire response costs in Alaska’s changing climate. Climatic Change 141:783–95. doi:https://doi.org/10.1007/s10584-017-1923-2.
- Moritz, M. A., M.-A. Parisien, E. Batllori, M. A. Krawchuk, J. Van Dorn, D. J. Ganz, and K. Hayhoe. 2012. Climate change and disruptions to global fire activity. Ecosphere 3:49. doi:https://doi.org/10.1890/ES11-00345.1.
- Myers-Smith, I. H., B. C. Forbes, M. Wilmking, M. Hallinger, T. Lantz, D. Blok, K. D. Tape, M. Macias-Fauria, U. Sass-Klaassen, E. Levesque, et al. 2011. Shrub expansion in tundra ecosystems: Dynamics, impacts and research priorities. Environmental Research Letters 6:045509. doi:https://doi.org/10.1088/1748-9326/6/4/045509.
- Myers-Smith, I. H., D. S. Hik, and R. Aerts. 2017. Climate warming as a drive of shrubline advance in high-latitude alpine tundra. Journal of Ecology 106:547–60. doi:https://doi.org/10.1111/1365-2745.12817.
- Narita, K., K. Harada, K. Saito, Y. Sawada, M. Fukuda, and S. Tsuyuzaki. 2015. Vegetation and permafrost thaw depth 10 years after a tundra fire in 2002, Seward Peninsula, Alaska. Arctic, Antarctic, and Alpine Research 47:547–59. doi:https://doi.org/10.1657/AAAR0013-031.
- Natali, S. M., E. A. G. Schuur, and R. Rubin. 2012. Increased plant productivity in Alaskan tundra as a result of experimental warming of soil and permafrost. Journal of Ecology 100:488–98. doi:https://doi.org/10.1111/j.1365-2745.2011.01925.x.
- Pinheiro, J., D. Bates, S. DebRoy, and D. Sarkar, and R. C. Team. 2017. nlme: Linear and nonlinear mixed effects models. R package version 3.1-131. https://CRAN.R-project.org/package=nlme
- R Core Team. 2016. R: A language and environment for statistical computing. Vienna, Austria: R Foundation for Statistical Computing.
- Racine, C. 1981. Tundra fire effects on soils and three plant communities along a hill-slope gradient in the Seward Peninsula, Alaska. Arctic 34:71–84. doi:https://doi.org/10.14430/arctic2508.
- Racine, C., J. Dennis, and W. I. Patterson. 1985. Tundra fire regimes in the Noatak River watershed, Alaska: 1956-83. Arctic 85:194–200.
- Racine, C., and J. H. Anderson. 1979. Flora and vegetation of the Chukchi-Imuruk area. Biology and resource management program. Alaska Cooperative Park Studies Unit, University of Alaska, Fairbanks.
- Racine, C., J. L. Barnes, R. Jandt, and J. Dennis. 2010. Long-term monitoring of 1977 tundra fires in the Northwest Alaska parks. Alaska Parkland Science 9:24–25.
- Racine, C., L. A. Johnson, and L. A. Viereck. 1987. Patterns of vegetation recovery after tundra fires in northwestern Alaska, USA. Arctic, Antarctic, and Alpine Research 19:461–69. doi:https://doi.org/10.2307/1551412.
- Racine, C., R. Jandt, C. Meyers, and J. Dennis. 2004. Tundra fire and vegetation change along a hillslope on the Seward Peninsula, Alaska, USA. Arctic, Antarctic, and Alpine Research 36:1–10. doi:https://doi.org/10.1657/1523-0430(2004)036[0001:TFAVCA]2.0.CO;2.
- Ratajczak, Z., J. B. Nippert, and T. W. Ocheltree. 2014. Abrupt transition of mesic grassland to shrubland: Evidence for thresholds, alternative attractors, and regime shifts. Ecology 95:2633–45. doi:https://doi.org/10.1890/13-1369.1.
- Raynolds, M. K., D. A. Walker, and H. A. Maier. 2005. Plant community-level mapping of arctic Alaska based on the Circumpolar Arctic Vegetation Map. Phytocoenologia 35:821–48. doi:https://doi.org/10.1127/0340-269X/2005/0035-0821.
- Rupp, T. S., A. M. Starfield, and F. S. Chapin. 2000. A frame-based spatially explicit model of subarctic vegetation response to climatic change: Comparison with a point model. Landscape Ecology 15:383–400. doi:https://doi.org/10.1023/A:1008168418778.
- Rupp, T. S., P. A. Duffy, M. Leonawicz, M. Lindgren, A. L. Breen, T. Kurkowski, A. Floyd, A. Bennett, and L. Krutikov. 2016. Climate scenarios, land cover, and wildfire in Alaska. U.S. Geological Survey.
- San-Miguel, I., N. C. Coops, R. D. Chavardes, D. W. Andison, and P. D. Pickell. 2020. What controls fire spatial patterns? Predictability of fire characteristics in the Canadian boreal plains ecozone. Ecosphere 11:e02985. doi:https://doi.org/10.1002/ecs2.2985.
- Schimmel, J., and A. Granstrom. 1996. Fire severity and vegetation response in boreal Swedish forest. Ecology 77:1436–50. doi:https://doi.org/10.2307/2265541.
- Soja, A. J., N. M. Tchebakova, N. H. F. French, M. D. Flannigan, H. H. Shugart, B. J. Stock, A. I. Sukhinin, E. I. Parfenova, F. S. Chapin III, and P. W. Stackhouse Jr. 2006. Climate-induced boreal forest change: Predictions versus current observations. Global and Planetary Change. doi:https://doi.org/10.1016/j.gloplacha.2006.07.028.
- Tape, K., M. Sturm, and C. Racine. 2006. The evidence for shrub expansion in Northern Alaska and the Pan-Arctic. Global Change Biology 12:686–702. doi:https://doi.org/10.1111/j.1365-2486.2006.01128.x.
- Thompson, D. P., and P. S. Barboza. 2014. Nutritional implications of increased shrub cover for caribou (Rangifer tarandus) in the Arctic. Canadian Journal of Zoology 92:339–51. doi:https://doi.org/10.1139/cjz-2013-0265.
- Tsuyuzaki, S., G. Iwahana, and K. Saito. 2017. Tundra fire alters vegetation patterns more than the resultant thermokarst. Polar Biology 41:753–61. doi:https://doi.org/10.1007/s00300-017-2236-7.
- Turner, M. G. 2010. Disturbance and landscape dynamics in a changing world. Ecology 91:2833–49. doi:https://doi.org/10.1890/10-0097.1.
- Viereck, L. A., C. T. Dyrness, C. T. Batten, and K. J. Wenzlick. 1992. The Alaska vegetation classification. PNW-GTR-286. U.S. Department of Agriculture, Forest Service, Portland, OR.
- Walker, D. A., F. J. A. Daniëls, N. V. Matveyeva, J. Šibík, M. D. Walker, A. L. Breen, L. A. Druckenmiller, M. K. Raynolds, H. Bültmann, S. Hennekens, et al. 2018. Circumpolar Arctic vegetation classification. Phytocoenologia 48:181–201. doi:https://doi.org/10.1127/phyto/2017/0192.
- Walker, D. A., and M. D. Walker. 1991. History and pattern of disturbance in Alaskan Arctic terrestrial ecosystems: A hierarchical approach to analysing landscape change. Journal of Applied Ecology 28:244–76. doi:https://doi.org/10.2307/2404128.
- Walker, X. J., M. D. Frey, A. J. Conway, M. Jean, J. F. Johnstone, and B. Bond-Lamberty. 2017. Impacts of fire on non-native plant recruitment in black spruce forest of interior Alaska. PLoS One 12:e0171599. doi:https://doi.org/10.1371/journal.pone.0171599.
- Young, A. M., P. E. Higuera, P. A. Duffy, and F. S. Hu. 2017. Climatic thresholds shape northern high-latitude fire regimes and imply vulnerability to future climate change. Ecography 40:606–17. doi:https://doi.org/10.1111/ecog.02205.