文献类型：期刊文献

英文题名：Growth-trait relationships in subtropical forest are stronger at higher diversity

作者：Bongers, Franca J.[1] Schmid, Bernhard[2] Sun, Zhenkai[3] Li, Yin[1] Haredtle, Werner[4] von Oheimb, Goddert[5] Li, Ying[6] Li, Shan[1] Staab, Michael[7,8] Ma, Keping[1] Liu, Xiaojuan[1]

第一作者：Bongers, Franca J.

通信作者：Ma, KP[1];Liu, XJ[1]

机构：[1]Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China;[2]Univ Zurich, Dept Geog, Zurich, Switzerland;[3]Chinese Acad Forestry, Res Inst Forestry, Key Lab Tree Breeding & Cultivat, Forestry & Grassland, Beijing, Peoples R China;[4]Leuphana Univ Luneburg, Inst Ecol, Univ Alle, Luneburg, Germany;[5]Tech Univ Dresden, Inst Gen Ecol & Environm Protect, Tharandt, Germany;[6]Beijing Forestry Univ, Sch Soil & Water Conservat, Beijing, Peoples R China;[7]Univ Freiburg, Dept Nat Conservat & Landscape Ecol, Freiburg, Germany;[8]Univ Freiburg, Freiburg Inst Adv Studies FRIAS, Freiburg, Germany

年份：2020

卷号：108

期号：1

起止页码：256-266

外文期刊名：JOURNAL OF ECOLOGY

收录：;Scopus(收录号：2-s2.0-85076502661);WOS:【SCI-EXPANDED(收录号:WOS:000535186200021)】；

基金：National Science and Technology Ministry Major Project, Grant/Award Number: 2017YFA0605103; National Natural Science Foundation of China, Grant/Award Number: 31870409; University of Zurich Research Priority Program on Global Change and Biodiversity, Grant/Award Number: URPP GCB; Youth Innovation Promotion Association of the Chinese Academy of Sciences; Deutsche Forschungsgemeinschaft, Grant/Award Number: DFG FOR 891; Strategic Priority Research Program of the Chinese Academy of Sciences, Grant/Award Number: XDB31000000; CAS Interdisciplinary Innovation Team, Grant/Award Number: JCTD-2018-06

语种：英文

外文关键词：BEF-China; ecosystem function; individual growth; plant development and life-history traits; species diversity; trait variation; tree growth

摘要：Understanding how species diversity affects plant performance is a central question in biodiversity-ecosystem functioning (BEF) research. At the community level, functional trait means and trait dissimilarities have been used to explain biodiversity effects, but with mixed success. To disentangle how functional traits explain community growth and underpin biodiversity-ecosystem functioning relationships, we should elucidate how plant traits affect individual growth across species richness levels, because the role of functional traits on growth depends on the ecological context of the individual. We addressed this topic by using detailed data of twelve functional traits and annual growth for 529 individual trees of 31 species at five species-richness levels in a large forest biodiversity experiment in south-east China from 4 to 9 years after planting. Our analyses show first that individual trait values can change with species richness, indicating that trait values can change due to the biotic context. Secondly, we show that early tree growth is more strongly affected by traits than by species richness. Finally, our data show that growth-trait relationships can change with species richness and with forest age. Trait effects on growth are more pronounced at higher richness levels, indicating that measuring traits on individual trees across richness levels can improve growth predictions and inference of BEF relationships that are shaped by functional traits. Synthesis. This study shows that functional trait values and their effect on individual tree growth depend on species richness. Our data support the notion that to elucidate how functional traits shape biodiversity-ecosystem functioning relationships, an important step is to consider the biotic context of individual trees within a community. We have made an initial step by analysing how functional traits affect individual-tree growth in a diversity-dependent manner and future research should continue by elucidating the role of traits on tree-tree interactions across diversity levels.