globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12661
Scopus记录号: 2-s2.0-84991240035
论文题名:
There's no place like home: seedling mortality contributes to the habitat specialisation of tree species across Amazonia
作者: Fortunel C.; Paine C.E.; Fine P.V.; Mesones I.; Goret J.-Y.; Burban B.; Cazal J.; Baraloto C.
刊名: Ecology letters
ISSN: 14610248
EISSN: 1461-0248
出版年: 2016
卷: 19, 期:10
起始页码: 1256
结束页码: 1266
语种: 英语
英文关键词: Amazon basin ; forests habitats ; habitat association ; herbivory ; light availability ; plant lineages ; rainfall temporal variation ; seedling performance ; soil fertility ; tropical trees
Scopus关键词: angiosperm ; demography ; ecosystem ; physiology ; seedling ; tree ; Angiosperms ; Demography ; Ecosystem ; Seedlings ; Trees
英文摘要: Understanding the mechanisms generating species distributions remains a challenge, especially in hyperdiverse tropical forests. We evaluated the role of rainfall variation, soil gradients and herbivory on seedling mortality, and how variation in seedling performance along these gradients contributes to habitat specialisation. In a 4-year experiment, replicated at the two extremes of the Amazon basin, we reciprocally transplanted 4638 tree seedlings of 41 habitat-specialist species from seven phylogenetic lineages among the three most important forest habitats of lowland Amazonia. Rainfall variation, flooding and soil gradients strongly influenced seedling mortality, whereas herbivory had negligible impact. Seedling mortality varied strongly among habitats, consistent with predictions for habitat specialists in most lineages. This suggests that seedling performance is a primary determinant of the habitat associations of adult trees across Amazonia. It further suggests that tree diversity, currently mostly harboured in terra firme forests, may be strongly impacted by the predicted climate changes in Amazonia. © 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/107714
Appears in Collections:气候减缓与适应

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作者单位: INRA, UMR Ecologie des Forêts de Guyane, BP 709, 97387, Kourou Cedex, France; Department of Biology, University of Maryland, College Park, MD, 20742, USA; Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, 90095, USA; Biological and Environmental Sciences, University of Stirling, Stirling, FK9 4LA, UK; Department of Integrative Biology, University of California, Berkeley, CA, 94720, USA; International Center for Tropical Botany, Department of Biological Sciences, Florida International University, Miami, FL, 33199, USA

Recommended Citation:
Fortunel C.,Paine C.E.,Fine P.V.,et al. There's no place like home: seedling mortality contributes to the habitat specialisation of tree species across Amazonia[J]. Ecology letters,2016-01-01,19(10)
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