文献类型：期刊文献

英文题名：Plant Species Richness Increased Belowground Plant Biomass and Substrate Nitrogen Removal in a Constructed Wetland

作者：Wang, Hai[1];Chen, Zheng-Xin[1];Zhang, Xiao-Yu[1];Zhu, Si-Xi[1];Ge, Ying[1];Chang, Scott-X.[2];Zhang, Chong-Bang[3];Huang, Cheng-Cai[4];Chang, Jie[1]

机构：[1]Zhejiang Univ, Coll Life Sci, Hangzhou 310058, Zhejiang, Peoples R China;[2]Univ Alberta, Dept Renewable Resources, Edmonton, AB, Canada;[3]Taizhou Univ, Coll Life Sci, Linhai, Peoples R China;[4]Shaoxing Univ, Coll Life Sci, Shaoxing, Peoples R China

年份：2013

卷号：41

期号：7

起止页码：657

外文期刊名：CLEAN-SOIL AIR WATER

收录：SCI-EXPANDED(收录号：WOS:000322154700005)、、Scopus(收录号：2-s2.0-84879839051)、WOS

基金：This research was supported by funding from the National Science Foundation of China (grant number 31170305 and 31270377). S. X. Chang was supported by a Discovery Grant from the Natural Science and Engineering Research Council of Canada (NSERC). We also thank Dr. D. Liu, H. L. Ge, and H. Q. Cao for their help in this study.

语种：英文

外文关键词：Ammonium; Nitrate; Nitrogen pool; Plant biomass; Plant diversity

外文摘要：The effects of plant species richness on both above- and belowground plant biomass, plant nitrogen (N) pool size, and substrate N concentrations were studied in a full-scale subsurface vertical-flow constructed wetland (CW). Results showed that (i) plant species richness increased belowground plant biomass and its N pool size but had no effect on aboveground plant biomass and its N pool size; (ii) plant species richness increased substrate N removal, especially ammonium N removal; and (iii) plant species richness had no effect on plant N use efficiency, suggesting that the N pool size increased with increasing plant species richness. More N accumulation could be removed through harvesting plant biomass. We concluded that the N removal performance of the CW improved by plant species richness through increasing belowground biomass and relevant N pool size.