ELECTRONIC SUPPLEMENTARY MATERIAL BIOCHAR FOR A SUSTAINABLE ENVIRONMENT Taxon-specific responses of soil microbial communities to different soil priming effects induced by addition of plant residues and their biochars Peng Su • Jun Lou • Philip C. Brookes • Yu Luo • Yan He • Jianming Xu Received: 4 May 2015 / Accepted: 6 August 2015 © Springer-Verlag Berlin Heidelberg 2015 Responsible editor: Jizheng He P. Su • J. Lou • P. C. Brookes () • Y. Luo () • Y. He • J. M. Xu Institute of Soil and Water Resources and Environmental Science, Zhejiang Provincial Key Laboratory of Subtropical Soil and Plant Nutrition, Zhejiang University, Hangzhou 310058, China () Corresponding authors: Philip C. Brookes e-mail: supervtu@163.com and Yu Luo e-mail: luoyu21@163.com Supplementary material Fig. S1 Venn diagram of operational taxonomic unit numbers of bacteria, fungi and archaea in all treatments S – control soil; SF and SB - soil amended with maize feedstock and biochar, respectively b a c Fig. S2 Heat maps of cluster analysis of treatments based on the relative abundances of the top operational taxonomic unit numbers (OTUs, i.e. relative abundance > 1 % at genus level) identified in soil samples in the bacterial (a), fungal (b) and archaeal (c) data sets, respectively Cluster analysis successfully grouped OTUs that showed similar abundances in soil samples. Color blocks represent the abundances of genera for each sample, reflecting the similarity degree among treatments