globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12647
Scopus记录号: 2-s2.0-85027923978
论文题名:
Convergence and divergence in a long-term old-field succession: the importance of spatial scale and species abundance
作者: Li S.-P.; Cadotte M.W.; Meiners S.J.; Pu Z.; Fukami T.; Jiang L.
刊名: Ecology letters
ISSN: 14610248
EISSN: 1461-0248
出版年: 2016
卷: 19, 期:9
起始页码: 1101
结束页码: 1109
语种: 英语
英文关键词: Beta diversity ; Buell-Small Succession Study ; community assembly ; historical contingency ; null model ; stochasticity ; successional pathways ; temporal turnover
Scopus关键词: agricultural land ; biota ; classification ; grassland ; New Jersey ; plant ; population dynamics ; season ; Biota ; Farms ; Grassland ; New Jersey ; Plants ; Population Dynamics ; Seasons
英文摘要: Whether plant communities in a given region converge towards a particular stable state during succession has long been debated, but rarely tested at a sufficiently long time scale. By analysing a 50-year continuous study of post-agricultural secondary succession in New Jersey, USA, we show that the extent of community convergence varies with the spatial scale and species abundance classes. At the larger field scale, abundance-based dissimilarities among communities decreased over time, indicating convergence of dominant species, whereas incidence-based dissimilarities showed little temporal tend, indicating no sign of convergence. In contrast, plots within each field diverged in both species composition and abundance. Abundance-based successional rates decreased over time, whereas rare species and herbaceous plants showed little change in temporal turnover rates. Initial abandonment conditions only influenced community structure early in succession. Overall, our findings provide strong evidence for scale and abundance dependence of stochastic and deterministic processes over old-field succession. © 2016 John Wiley & Sons Ltd/CNRS.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107737
Appears in Collections:气候减缓与适应

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作者单位: School of Biology, Georgia Institute of Technology, Atlanta, GA, 30332, USA; Biological Sciences, University of Toronto-Scarborough and Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, M1C 1A4, Canada; State Key Laboratory of Biocontrol and Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China; Department of Biological Sciences, Eastern Illinois University, Charleston, IL, 61920, USA; Department of Biology, Stanford University, Stanford, CA, 94305, USA

Recommended Citation:
Li S.-P.,Cadotte M.W.,Meiners S.J.,et al. Convergence and divergence in a long-term old-field succession: the importance of spatial scale and species abundance[J]. Ecology letters,2016-01-01,19(9)
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