NWIPB OpenIR
Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomes
Cornelissen, Johannes H. C.; van Bodegom, Peter M.; Aerts, Rien; Callaghan, Terry V.; van Logtestijn, Richard S. P.; Alatalo, Juha; Chapin, F. Stuart; Gerdol, Renato; Gudmundsson, Jon; Gwynn-Jones, Dylan; Hartley, Anne E.; Hik, David S.; Hofgaard, Annika; Jonsdottir, Ingibjorg S.; Karlsson, Staffan; Klein, Julia A.; Laundre, Jim; Magnusson, Borgthor; Michelsen, Anders; Molau, Ulf; Onipchenko, Vladimir G.; Quested, Helen M.; Sandvik, Sylvi M.; Schmidt, Inger K.; Shaver, Gus R.; Solheim, Bjorn; Soudzilovskaia, Nadejda A.; Stenstrom, Anna; Tolvanen, Anne; Totland, Orjan; Wada, Naoya; Welker, Jeffrey M.; Zhao, Xinquan; M O L Team
2007-07-01
发表期刊ECOLOGY LETTERS
卷号10期号:7页码:619-627
文章类型Article
摘要Whether climate change will turn cold biomes from large long-term carbon sinks into sources is hotly debated because of the great potential for ecosystem-mediated feedbacks to global climate. Critical are the direction, magnitude and generality of climate responses of plant litter decomposition. Here, we present the first quantitative analysis of the major climate-change-related drivers of litter decomposition rates in cold northern biomes worldwide. Leaf litters collected from the predominant species in 33 global change manipulation experiments in circum-arctic-alpine ecosystems were incubated simultaneously in two contrasting arctic life zones. We demonstrate that longer-term, large-scale changes to leaf litter decomposition will be driven primarily by both direct warming effects and concomitant shifts in plant growth form composition, with a much smaller role for changes in litter quality within species. Specifically, the ongoing warming-induced expansion of shrubs with recalcitrant leaf litter across cold biomes would constitute a negative feedback to global warming. Depending on the strength of other (previously reported) positive feedbacks of shrub expansion on soil carbon turnover, this may partly counteract direct warming enhancement of litter decomposition.; Whether climate change will turn cold biomes from large long-term carbon sinks into sources is hotly debated because of the great potential for ecosystem-mediated feedbacks to global climate. Critical are the direction, magnitude and generality of climate responses of plant litter decomposition. Here, we present the first quantitative analysis of the major climate-change-related drivers of litter decomposition rates in cold northern biomes worldwide. Leaf litters collected from the predominant species in 33 global change manipulation experiments in circum-arctic-alpine ecosystems were incubated simultaneously in two contrasting arctic life zones. We demonstrate that longer-term, large-scale changes to leaf litter decomposition will be driven primarily by both direct warming effects and concomitant shifts in plant growth form composition, with a much smaller role for changes in litter quality within species. Specifically, the ongoing warming-induced expansion of shrubs with recalcitrant leaf litter across cold biomes would constitute a negative feedback to global warming. Depending on the strength of other (previously reported) positive feedbacks of shrub expansion on soil carbon turnover, this may partly counteract direct warming enhancement of litter decomposition.
关键词Alpine Carbon Circum-arctic Global Change Growth Form Litter Turnover Mass Loss Vegetation Change
WOS标题词Science & Technology ; Life Sciences & Biomedicine
学科领域生物科学
关键词[WOS]ARCTIC TUNDRA ; PLANT COMMUNITY ; SOIL RESPIRATION ; CARBON STORAGE ; ECOSYSTEM ; TERM ; CO2 ; SENSITIVITY ; QUALITY ; ALASKA
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Ecology
WOS记录号WOS:000247123900008
引用统计
被引频次:225[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1275
专题中国科学院西北高原生物研究所
作者单位1.Vrije Univ Amsterdam, Dept Syst Ecol, Fac Earth & Life Sci, Inst Ecol Sci, NL-1081 HV Amsterdam, Netherlands
2.Royal Swedish Acad Sci, Abisko Res Stn, S-98107 Abisko, Sweden
3.Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England
4.Swedish Govt Agcy Innovat Syst, VINNOVA, SE-10158 Stockholm, Sweden
5.Univ Alaska Fairbanks, Inst Arctic Biol, Fairbanks, AK 99775 USA
6.Univ Ferrara, Dipartimento Risorse Nat & Culturali, I-44100 Ferrara, Italy
7.Agr Univ Iceland, IS-112 Reykjavik, Iceland
8.Univ Wales, Inst Biol Sci, Aberystwyth SY23 3DA, Dyfed, Wales
9.Florida Int Univ, Dept Environm Studies, Miami, FL 33199 USA
10.Univ Alberta, Dept Biol Sci, Edmonton, AB T6G 2E9, Canada
11.Norwegian Inst Nat Res, N-7485 Trondheim, Norway
12.Agr Univ Iceland, Dept Environm Sci, IS-112 Reykjavik, Iceland
13.Swedish Res Council, S-10378 Stockholm, Sweden
14.Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USA
15.Marine Biol Lab, Ctr Ecosyst, Woods Hole, MA 02543 USA
16.Iceland Inst Nat Hist, IS-5320 Reykjavik, Iceland
17.Univ Copenhagen, Inst Biol, DK-1353 Copenhagen, Denmark
18.Univ Gothenburg, Dept Plant & Environm Sci, SE-40530 Gothenburg, Sweden
19.Moscow MV Lomonosov State Univ, Fac Biol, Dept Geobot, Moscow, Russia
20.Stockholm Univ, Dept Bot, S-10691 Stockholm, Sweden
21.Agder Univ Coll, Dept Nat Sci, N-4604 Kristiansand, Norway
22.Royal Vet & Agr Univ, DK-2970 Horsholm, Denmark
23.Univ Tromso, Dept Biol, N-9037 Tromso, Norway
24.Lansstyrelsen Vastra Gotaland, SE-40340 Gothenburg, Sweden
25.Finnish Forest Res Inst, Muhos Res Unit, Muhos 91500, Finland
26.Norwegian Univ Life Sci, Dept Ecol & Nat Resource Management, N-1432 As, Norway
27.Toyama Univ, Ctr Far Eastern Studies, Toyama 9308555, Japan
28.Univ Alaska, Anchorage, AK USA
29.Chinese Acad Sci, NW Plateau Inst Biol, Xining 810001, Qinghai, Peoples R China
推荐引用方式
GB/T 7714
Cornelissen, Johannes H. C.,van Bodegom, Peter M.,Aerts, Rien,et al. Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomes[J]. ECOLOGY LETTERS,2007,10(7):619-627.
APA Cornelissen, Johannes H. C..,van Bodegom, Peter M..,Aerts, Rien.,Callaghan, Terry V..,van Logtestijn, Richard S. P..,...&M O L Team.(2007).Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomes.ECOLOGY LETTERS,10(7),619-627.
MLA Cornelissen, Johannes H. C.,et al."Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomes".ECOLOGY LETTERS 10.7(2007):619-627.
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