globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12852
Scopus记录号: 2-s2.0-85030088034
论文题名:
Opposing mechanisms affect taxonomic convergence between tree assemblages during tropical forest succession
作者: Norden N.; Boukili V.; Chao A.; Ma K.H.; Letcher S.G.; Chazdon R.L.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期:11
起始页码: 1448
结束页码: 1458
语种: 英语
英文关键词: Determinism ; life-history strategies ; stochasticity ; succession ; taxonomic similarity ; tropical second-growth forests
英文摘要: Whether successional forests converge towards an equilibrium in species composition remains an elusive question, hampered by high idiosyncrasy in successional dynamics. Based on long-term tree monitoring in second-growth (SG) and old-growth (OG) forests in Costa Rica, we show that patterns of convergence between pairs of forest stands depend upon the relative abundance of species exhibiting distinct responses to the successional gradient. For instance, forest generalists contributed to convergence between SG and OG forests, whereas rare species and old-growth specialists were a source of divergence. Overall, opposing trends in taxonomic similarity among different subsets of species nullified each other, producing a net outcome of stasis over time. Our results offer an explanation for the limited convergence observed between pairwise communities and suggest that rare species and old-growth specialists may be prone to dispersal limitation, while the dynamics of generalists and second-growth specialists are more predictable, enhancing resilience in tropical secondary forests. © 2017 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/107543
Appears in Collections:气候减缓与适应

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作者单位: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, 16-20 Avenida Circunvalar, Bogotá, Colombia; Office of Strategic Planning and Community Development, City of Somerville, MA, United States; Institute of Statistics, National Tsing Hua University, Hsin-Chu, Taiwan; Department of Environmental Studies, Purchase College (SUNY), 735 Anderson Hill Road, Purchase, NY, United States; College of the Atlantic, 105 Eden Street, Bar Harbor, ME, United States; International Institute for Sustainability, Estrada Dona Castorina 124, Rio de Janeiro, Horto, Brazil; Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, United States

Recommended Citation:
Norden N.,Boukili V.,Chao A.,et al. Opposing mechanisms affect taxonomic convergence between tree assemblages during tropical forest succession[J]. Ecology Letters,2017-01-01,20(11)
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