globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12786
Scopus记录号: 2-s2.0-85020732134
论文题名:
From competition to facilitation: how tree species respond to neighbourhood diversity
作者: Fichtner A.; Härdtle W.; Li Y.; Bruelheide H.; Kunz M.; von Oheimb G.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期:7
起始页码: 892
结束页码: 900
语种: 英语
英文关键词: BEF-China ; biodiversity ; complementarity ; ecosystem functioning ; forests ; functional traits ; productivity ; species interactions
Scopus关键词: biodiversity ; forest ; tree ; Biodiversity ; Forests ; Trees
英文摘要: Studies on tree communities have demonstrated that species diversity can enhance forest productivity, but the driving mechanisms at the local neighbourhood level remain poorly understood. Here, we use data from a large-scale biodiversity experiment with 24 subtropical tree species to show that neighbourhood tree species richness generally promotes individual tree productivity. We found that the underlying mechanisms depend on a focal tree's functional traits: For species with a conservative resource-use strategy diversity effects were brought about by facilitation, and for species with acquisitive traits by competitive reduction. Moreover, positive diversity effects were strongest under low competition intensity (quantified as the total basal area of neighbours) for acquisitive species, and under high competition intensity for conservative species. Our findings demonstrate that net biodiversity effects in tree communities can vary over small spatial scales, emphasising the need to consider variation in local neighbourhood interactions to better understand effects at the community level. © 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/107603
Appears in Collections:气候减缓与适应

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作者单位: Leuphana University of Lüneburg, Institute of Ecology, Scharnhorststr. 1, Lüneburg, Germany; Martin Luther University Halle-Wittenberg, Institute of Biology/Geobotany and Botanical Garden, Am Kirchtor 1, Halle (Saale), Germany; German Centre of Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5E, Leipzig, Germany; Technische Universität Dresden, Institute of General Ecology and Environmental Protection, Pienner Straße 7, Tharandt, Germany

Recommended Citation:
Fichtner A.,Härdtle W.,Li Y.,et al. From competition to facilitation: how tree species respond to neighbourhood diversity[J]. Ecology Letters,2017-01-01,20(7)
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