文献类型：期刊文献

英文题名：Abundance-weighted plant functional trait variation differs between terrestrial and wetland habitats along wide climatic gradients

作者：Hu, Yu-Kun[1,2,3] Liu, Guo-Fang[2] Pan, Xu[3] Song, Yao-Bin[1] Dong, Ming[1,2] Cornelissen, Johannes H. C.[4]

第一作者：Hu, Yu-Kun;胡宇坤

通信作者：Song, YB[1];Dong, M[1];Dong, M[2]

机构：[1]Hangzhou Normal Univ, Coll Life & Environm Sci, Key Lab Hangzhou City Ecosyst Protect & Restorat, Hangzhou 311121, Peoples R China;[2]Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China;[3]Chinese Acad Forestry, Inst Wetland Res, Beijing Key Lab Wetland Serv & Restorat, Beijing 100091, Peoples R China;[4]Vrije Univ Amsterdam, Dept Ecol Sci, Syst Ecol, De Boelelaan 1085, NL-1081 HV Amsterdam, Netherlands

年份：2021

卷号：64

期号：4

起止页码：593-605

外文期刊名：SCIENCE CHINA-LIFE SCIENCES

收录：;Scopus(收录号：2-s2.0-85091612516);WOS:【SCI-EXPANDED(收录号:WOS:000572701000002)】；

基金：This work was supported by the National Key Research and Development Program of China (2017YFC0506200), the National Natural Science Foundation of China (31670429, 31400346, 31470712 and 31901149), and the Royal Netherlands Academy of Arts and Sciences (KNAW, CEP grant 12CDP007) for research visits of J.H.C.C. to China and of Y.K.H., Y.B.S., G.F.L. and X.P. to Vrije Universiteit Amsterdam. We are very grateful to Xue-Hua Ye, Tao Xiao, Ling-Yun Chen, Shuang-Li Tang, Meng-Yao Zhou, Wei Xiong, Can Jiang, Ya-Lin Zhang, Hong-Ke Xu, Yan-Fang Fang, Ze-Ning Jin, Shu-Min Zhang, and Xu-Yan Liu for their help in fieldwork and/or laboratory analysis. We also thank Hai-Lang Zhou, Ke-Liang Zhang, Zhi-Xi Fu and Wei-Bo Du for their assistance in plant identification.

语种：英文

外文关键词：community-weighted mean (CWM); functional biogeography; functional diversity; leaf economic traits; size-related traits; spatial scale; wetlands

摘要：Patterns of plant trait variation across spatial scales are important for understanding ecosystem functioning and services. However, habitat-related drivers of these patterns are poorly understood. In a conceptual model, we ask whether and how the patterns of within- and among-site plant trait variation are driven by habitat type (terrestrial vs. wetland) across large climatic gradients. We tested these through spatial-hierarchical-sampling of leaves in herbaceous-dominated terrestrial and wetland communities within each of 26 sites across China. For all 13 plant traits, within-site variation was larger than among-site variation in both terrestrial and wetland habitats. Within-site variation was similar in most leaf traits related to carbon and nutrient economics but larger in specific leaf area and size-related traits (plant height, leaf area and thickness) in wetland compared to terrestrial habitats. Among-site variation was larger in terrestrial than wetland habitats for 10 leaf traits but smaller for plant height, leaf area and leaf nitrogen. Our results indicate the important role of local ecological processes in driving plant trait variation among coexisting species and the dependence of functional variation across habitats on traits considered. These findings will help to understand and predict the effects of climatic or land-use changes on ecosystem functioning and services.