Received: 17 December 2016 | Accepted: 14 August 2017 DOI: 10.1111/1365-2435.12983 FUNCTIONAL TRAITS ALONG A TRANSECT Different phylogenetic and environmental controls of first- order root morphological and nutrient traits: Evidence of multidimensional root traits Ruili Wang1 | Qiufeng Wang2 | Ning Zhao3 | Zhiwei Xu4 | Xianjin Zhu5 | Cuicui Jiao6 | Guirui Yu2 | Nianpeng He2 1College of Forestry, Northwest A&F University, Yangling, China; 2Key Laboratory of Ecosystem Network Observation and Modeling, Synthesis Research Center of Chinese Ecosystem Research Network, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China; 3Laboratory of Remote Sensing and Geospatial Science, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China; 4School of Geographical Sciences, Northeast Normal University, Changchun, China; 5College of Agronomy, Shenyang Agricultural University, Shenyang, China and 6College of Economics, Sichuan University of Science and Engineering, Zigong, China Correspondence Guirui Yu Abstract Email:
[email protected] 1. Although fine roots are essential for the water and nutrient uptake of plants, there and Nianpeng He is limited understanding of root trait variation and the underlying mechanism. Email:
[email protected] 2. Here, six first-order root morphological and chemical traits were measured for 181 Funding information species from eight subtropical and boreal forests to test the hypothesis of different National Natural Science Foundation of phylogenetic and environmental regulations of root morphological and nutrient China, Grant/Award Number: 31290221, 31700381 and 31600361; the National Key traits result in the multidimensions of root traits. R&D Program of China, Grant/Award Number: 3. Two independent root trait dimensions between root thickness and nutrient traits 2016YFC0500202 and 2017YFA0604803; Scientific Research Starting Foundation of were detected at both species and community levels.