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Can niche plasticity promote biodiversity-productivity relationships through increased complementarity?
Niklaus, Pascal A.; Baruffol, Martin; He, Jin-Sheng; Ma, Keping3; Schmid, Bernhard
2017
发表期刊ECOLOGY
ISSN0012-9658
卷号98期号:4页码:1104-1116
摘要Most experimental biodiversity-ecosystem functioning research to date has addressed herbaceous plant communities. Comparably little is known about how forest communities will respond to species losses, despite their importance for global biogeochemical cycling. We studied tree species interactions in experimental subtropical tree communities with 33 distinct tree species mixtures and one, two, or four species. Plots were either exposed to natural light levels or shaded. Trees grew rapidly and were intensely competing above ground after 1.5 growing seasons when plots were thinned and the vertical distribution of leaves and wood determined by separating the biomass of harvested trees into 50 cm height increments. Our aim was to analyze effects of species richness in relation to the vertical allocation of leaf biomass and wood, with an emphasis on bipartite competitive interactions among species. Aboveground productivity increased with species richness. The community-level vertical leaf and wood distribution depended on the species composition of communities. Mean height and breadth of species-level vertical leaf and wood distributions did not change with species richness. However, the extra biomass produced by mixtures compared to monocultures of the component species increased when vertical leaf distributions of monocultures were more different. Decomposition of biodiversity effects with the additive partitioning scheme indicated positive complementarity effects that were higher in light than in shade. Selection effects did not deviate from zero, irrespective of light levels. Vertical leaf distributions shifted apart in mixed stands as consequence of competition-driven phenotypic plasticity, promoting realized complementarity. Structural equation models showed that this effect was larger for species that differed more in growth strategies that were characterized by functional traits. In 13 of the 18 investigated two-species mixtures, both species benefitted relative to intraspecific competition in monoculture. In the remaining five pairwise mixtures, the relative yield gain of one species exceeded the relative yield loss of the other species, resulting in a relative yield total (RYT) exceeding 1. Overall, our analysis indicates that richness-productivity relationships are promoted by interspecific niche complementarity at early stages of stand development, and that this effect is enhanced by architectural plasticity.
关键词additive partitioning biodiversity-productivity relationships canopy stratification competition complementarity functional trait dissimilarity niche overlap niche plasticity subtropical tree stands
学科领域Environmental Sciences & Ecology
DOI10.1111/1365-2435.12863
收录类别SCI
语种英语
WOS关键词PLANT-SPECIES DIVERSITY ; CROWN PLASTICITY ; FORESTS ; LIGHT ; TREE ; COMMUNITIES ; GRASSLANDS ; RICHNESS ; NITROGEN ; BIOMASS
WOS记录号WOS:000409112700012
出版者WILEY
文献子类Article
出版地HOBOKEN
EISSN1939-9170
作者邮箱pascal.niklaus@ieu.uzh.ch
作品OA属性Bronze
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21978
专题植被与环境变化国家重点实验室
作者单位1.Univ Zurich, Dept Evolut Biol & Environm Studies, Winterthurerstr 190, CH-8057 Zurich, Switzerland
2.Peking Univ, Coll Urban & Environm Sci, Dept Ecol, Minist Educ, Beijing 100871, Peoples R China
3.Peking Univ, Minist Educ, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China
4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
推荐引用方式
GB/T 7714
Niklaus, Pascal A.,Baruffol, Martin,He, Jin-Sheng,et al. Can niche plasticity promote biodiversity-productivity relationships through increased complementarity?[J]. ECOLOGY,2017,98(4):1104-1116.
APA Niklaus, Pascal A.,Baruffol, Martin,He, Jin-Sheng,Ma, Keping,&Schmid, Bernhard.(2017).Can niche plasticity promote biodiversity-productivity relationships through increased complementarity?.ECOLOGY,98(4),1104-1116.
MLA Niklaus, Pascal A.,et al."Can niche plasticity promote biodiversity-productivity relationships through increased complementarity?".ECOLOGY 98.4(2017):1104-1116.
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