globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13649
论文题名:
Competition and facilitation may lead to asymmetric range shift dynamics with climate change
作者: Ettinger A.; HilleRisLambers J.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2017
卷: 23, 期:9
起始页码: 3921
结束页码: 3933
语种: 英语
英文关键词: Abies amabilis ; anthropogenic global warming ; biotic interactions ; Mount Rainier ; Pacific Northwest ; range limits ; Tsuga heterophylla ; Tsuga mertensiana
Scopus关键词: Abies amabilis ; Coniferophyta ; Tsuga heterophylla ; Tsuga mertensiana
英文摘要: Forecasts of widespread range shifts with climate change stem from assumptions that climate drives species' distributions. However, local adaptation and biotic interactions also influence range limits and thus may impact range shifts. Despite the potential importance of these factors, few studies have directly tested their effects on performance at range limits. We address how population-level variation and biotic interactions may affect range shifts by transplanting seeds and seedlings of western North American conifers of different origin populations into different competitive neighborhoods within and beyond their elevational ranges and monitoring their performance. We find evidence that competition with neighboring trees limits performance within current ranges, but that interactions between adults and juveniles switch from competitive to facilitative at upper range limits. Local adaptation had weaker effects on performance that did not predictably vary with range position or seed origin. Our findings suggest that competitive interactions may slow species turnover within forests at lower range limits, whereas facilitative interactions may accelerate the pace of tree expansions upward near timberline. © 2017 John Wiley & Sons Ltd
资助项目: We thank I. Breckheimer, W. Chen, E. Curtis, R.K.K. Ettinger, R.S. Ettinger, D. Ewing, K. Ford, J. Franklin, M. Groom, T. Hinckley, J. Kane, K. Kane, A. Kleinhesselink, R. Konrady, T. Krueger, A. Larson, J. Lawler, B. Lee, G. Lisi, J. Littell, L. Love-Anderegg, T. Loe, N. Lozanoff, J. Lundquist, J. Milne, S. Montgomery, A. O'Brien, M. Piper, M. Raleigh, C. Ray, R. Rochefort, J. Tewksbury, C. Wenneborg, L. Whiteaker, A. Wilson, E. Wolkovich, and A. Wright for field and laboratory assistance, data, and advice. We also thank all Mt. Rainier National Park staff for the opportunity to conduct this research, and we thank five anonymous reviewers whose comments substantially improved the quality of this manuscript. Research was supported by the UW Royalty Research Foundation (J.H.), U. S. Department of Energy (DOE#DE-FC02-06ER64159 to J.H.), UW Biology Department (A.E.), George Wright Society (A.E.), and the National Science Foundation (DGE-0718124 and DDIG-1010787 to A.E., DEB Career DEB-1054012 to J.H.). Any opinion, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60831
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Biology, Tufts University, Medford, MA, United States; Arnold Arboretum of Harvard University, Boston, MA, United States; Department of Biology, University of Washington, Seattle, WA, United States

Recommended Citation:
Ettinger A.,HilleRisLambers J.. Competition and facilitation may lead to asymmetric range shift dynamics with climate change[J]. Global Change Biology,2017-01-01,23(9)
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