globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.14333
Scopus记录号: 2-s2.0-85053913174
论文题名:
Successional change in species composition alters climate sensitivity of grassland productivity
作者: Shi Z.; Lin Y.; Wilcox K.R.; Souza L.; Jiang L.; Jiang J.; Jung C.G.; Xu X.; Yuan M.; Guo X.; Wu L.; Zhou J.; Luo Y.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:10
起始页码: 4993
结束页码: 5003
语种: 英语
英文关键词: anthropogenic perturbation ; biotic competition ; long-term experiment ; manipulative experiment ; succession
英文摘要: Succession theory predicts altered sensitivity of ecosystem functions to disturbance (i.e., climate change) due to the temporal shift in plant community composition. However, empirical evidence in global change experiments is lacking to support this prediction. Here, we present findings from an 8-year long-term global change experiment with warming and altered precipitation manipulation (double and halved amount). First, we observed a temporal shift in species composition over 8 years, resulting in a transition from an annual C3-dominant plant community to a perennial C4-dominant plant community. This successional transition was independent of any experimental treatments. During the successional transition, the response of aboveground net primary productivity (ANPP) to precipitation addition magnified from neutral to +45.3%, while the response to halved precipitation attenuated substantially from −17.6% to neutral. However, warming did not affect ANPP in either state. The findings further reveal that the time-dependent climate sensitivity may be regulated by successional change in species composition, highlighting the importance of vegetation dynamics in regulating the response of ecosystem productivity to precipitation change. © 2018 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110213
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China; Department of Microbiology & Plant Biology, University of Oklahoma, Norman, OK, United States; Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA, United States; Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, United States; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Collaborative Innovation Center of Sustainable Forestry in Southern China of Jiangsu Province, Nanjing Forestry University, Nanjing, China; Institute for Environmental Genomics, University of Oklahoma, Norman, OK, United States; School of Minerals Processing and Bioengineering, Central South University, Changsha, China; State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, China; Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, Berkeley, CA, United States

Recommended Citation:
Shi Z.,Lin Y.,Wilcox K.R.,et al. Successional change in species composition alters climate sensitivity of grassland productivity[J]. Global Change Biology,2018-01-01,24(10)
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