Plot-scale evidence of tundra vegetation change and links to recent summer warming

被引：755

作者：

Elmendorf, Sarah C. ^{[1
]}

Henry, Gregory H. R. ^{[1
]}

Hollister, Robert D. ^{[2
]}

Bjork, Robert G. ^{[3
]}

Boulanger-Lapointe, Noemie ^{[4
]}

Cooper, Elisabeth J. ^{[5
]}

Cornelissen, Johannes H. C. ^{[6
]}

Day, Thomas A. ^{[7
]}

Dorrepaal, Ellen ^{[6
,8
]}

Elumeeva, Tatiana G. ^{[9
]}

Gill, Mike ^{[10
]}

Gould, William A. ^{[11
]}

Harte, John ^{[12
]}

Hik, David S. ^{[13
]}

Hofgaard, Annika ^{[14
]}

Johnson, David R. ^{[15
]}

Johnstone, Jill F. ^{[16
]}

Jonsdottir, Ingibjorg Svala ^{[17
]}

Jorgenson, Janet C. ^{[18
]}

Klanderud, Kari ^{[19
]}

Klein, Julia A. ^{[20
]}

Koh, Saewan ^{[13
]}

Kudo, Gaku ^{[21
]}

Lara, Mark ^{[15
]}

Levesque, Esther ^{[4
]}

Magnusson, Borgthor ^{[22
]}

May, Jeremy L. ^{[2
]}

Mercado-Diaz, Joel A. ^{[11
]}

Michelsen, Anders ^{[23
,24
]}

Molau, Ulf ^{[3
]}

Myers-Smith, Isla H. ^{[13
]}

Oberbauer, Steven F. ^{[25
]}

Onipchenko, Vladimir G. ^{[9
]}

Rixen, Christian ^{[26
]}

Schmidt, Niels Martin ^{[27
]}

Shaver, Gaius R. ^{[28
]}

Spasojevic, Marko J. ^{[29
]}

Porhallsdottir, Pora Ellen ^{[18
]}

Tolvanen, Anne ^{[30
]}

Troxler, Tiffany ^{[26
]}

Tweedie, Craig E. ^{[15
]}

Villareal, Sandra ^{[15
]}

Wahren, Carl-Henrik ^{[31
]}

Walker, Xanthe ^{[1
,16
]}

Webber, Patrick J. ^{[32
]}

Welker, Jeffrey M. ^{[33
]}

Wipf, Sonja ^{[26
]}

机构：

[1] Univ British Columbia, Dept Geog, Vancouver, BC V6T 1Z2, Canada

[2] Grand Valley State Univ, Dept Biol, Allendale, MI 49401 USA

[3] Univ Gothenburg, Dept Biol & Environm Sci, SE-40530 Gothenburg, Sweden

[4] Univ Quebec Trois Rivieres, Dept Chim Biol, Trois Rivieres, PQ G9A 5H7, Canada

[5] Univ Tromso, Dept Arctic & Marine Biol, Inst Biosci Fisheries & Econ, N-9037 Tromso, Norway

[6] Vrije Univ Amsterdam, Inst Ecol Sci, Dept Syst Ecol, NL-1081 HV Amsterdam, Netherlands

[7] Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA

[8] Umea Univ, Dept Ecol & Environm Sci, Climate Impacts Res Ctr, S-98107 Abisko, Sweden

[9] Moscow MV Lomonosov State Univ, Fac Biol, Dept Geobot, Moscow, Russia

[10] Environm Canada, Canadian Wildlife Serv, No Conservat Div, Whitehorse, YT Y1A 5X7, Canada

[11] US Forest Serv, USDA, Int Inst Trop Forestry, Rio Piedras, PR 00926 USA

[12] Univ Calif Berkeley, Energy & Resources Grp, Berkeley, CA 94720 USA

[13] Univ Alberta, Dept Biol Sci, Edmonton, AB T6G 2E9, Canada

[14] Norwegian Inst Nat Res, NO-7485 Trondheim, Norway

[15] Univ Texas El Paso, Dept Biol, El Paso, TX 79968 USA

[16] Univ Saskatchewan, Dept Biol, Saskatoon, SK S7J 5N2, Canada

[17] Univ Iceland, Inst Biol, IS-101 Reykjavik, Iceland

[18] US Fish & Wildlife Serv, Fairbanks, AK 99701 USA

[19] Norwegian Univ Life Sci, Dept Ecol & Nat Resource Management, NO-1432 As, Norway

[20] Colorado State Univ, Dept Ecosyst Sci & Sustainabil, Ft Collins, CO 80523 USA

[21] Hokkaido Univ, Grad Sch Environm Earth Sci, Sapporo, Hokkaido 0600810, Japan

[22] Iceland Inst Nat Hist, IS-210 Gardabaer, Iceland

[23] Univ Copenhagen, Dept Biol, Terr Ecol Sect, DK-1353 Copenhagen, Denmark

[24] Univ Copenhagen, Ctr Permafrost CENPERM, DK-1350 Copenhagen, Denmark

[25] Florida Int Univ, Dept Biol Sci, Miami, FL 33199 USA

[26] WSL Inst Snow & Avalanche Res SLF, CH-7260 Davos, Switzerland

[27] Aarhus Univ, NERI, Dept Arctic Environm, DK-4000 Roskilde, Denmark

[28] Marine Biol Lab, Ctr Ecosyst, Woods Hole, MA 02543 USA

[29] Univ Calif Davis, Dept Environm Sci & Policy, Davis, CA 95616 USA

[30] Univ Oulu, Thule Inst, Finnish Forest Res Inst, Muhos 91500, Finland

[31] La Trobe Univ, Dept Agr Sci, Ctr Appl Alpine Ecol, Melbourne, Vic 3010, Australia

[32] Michigan State Univ, Ranchos De Taos, NM 87557 USA

[33] Univ Alaska Anchorage, Dept Biol, Anchorage, AK 99501 USA

来源：

NATURE CLIMATE CHANGE | 2012年 / 2卷 / 06期

基金：

美国国家科学基金会; 澳大利亚研究理事会; 瑞典研究理事会; 芬兰科学院;

关键词：

CLIMATE-CHANGE; ARCTIC TUNDRA; SPECTRAL REFLECTANCE; GLOBAL CHANGE; RESPONSES; ECOSYSTEMS; FEEDBACKS; ECOLOGY; DECLINE; BIOMASS;

D O I：

10.1038/NCLIMATE1465

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Temperature is increasing at unprecedented rates across most of the tundra biome(1). Remote-sensing data indicate that contemporary climate warming has already resulted in increased productivity over much of the Arctic(2,3), but plot-based evidence for vegetation transformation is not widespread. We analysed change in tundra vegetation surveyed between 1980 and 2010 in 158 plant communities spread across 46 locations. We found biome-wide trends of increased height of the plant canopy and maximum observed plant height for most vascular growth forms; increased abundance of litter; increased abundance of evergreen, low-growing and tall shrubs; and decreased abundance of bare ground. Intersite comparisons indicated an association between the degree of summer warming and change in vascular plant abundance, with shrubs, forbs and rushes increasing with warming. However, the association was dependent on the climate zone, the moisture regime and the presence of permafrost. Our data provide plot-scale evidence linking changes in vascular plant abundance to local summer warming in widely dispersed tundra locations across the globe.

引用

页码：453 / 457

页数：5

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