文献类型：期刊文献

英文题名：Elevated tropospheric ozone affects the concentration and allocation of mineral nutrients of two bamboo species

作者：Zhuang, Minghao[1] Lam, Shu Kee[2] Li, Yingchun[3] Chen, Shuanglin[3]

第一作者：Zhuang, Minghao

通信作者：Zhuang, MH[1];Chen, SL[2]

机构：[1]Peking Univ, Coll Environm Sci & Engn, 5 Yiheyuan Rd, Beijing 100871, Peoples R China;[2]Univ Melbourne, Crop & Soil Sci Sect, Fac Vet & Agr Sci, Melbourne, Vic 3010, Australia;[3]Chinese Acad Forestry, Res Inst Subtrop Forestry, Fuyang 311400, Zhejiang, Peoples R China

年份：2017

卷号：577

起止页码：231-235

外文期刊名：SCIENCE OF THE TOTAL ENVIRONMENT

收录：;EI(收录号：20164703044366);Scopus(收录号：2-s2.0-84995566500);WOS:【SCI-EXPANDED(收录号:WOS:000390737400023)】；

基金：This study was supported by the fundamental research funds for Central Non-Profit Research Institutes (No. RISF2014006 and RISF6915).

语种：英文

外文关键词：Elevated O-3; Biomass; Ca; Mg; Fe; Phyllostachys edulis; Oligostachyum lubricum

摘要：The increase in tropospheric ozone (O-3) affects plant physiology and ecosystem processes, and consequently the cycle of nutrients. While mineral nutrients are critical for plant growth, the effect of elevated tropospheric O-3 concentration on the uptake and allocation of mineral nutrients by plants is not well understood. Using open top chambers (OTCs), we investigated the effect of elevated O-3 on calcium (Ca), magnesium (Mg) and iron (Fe) in mature bamboo species Phyllostachys edulis and Oligostachyum lubricum. Our results showed that elevated O-3 decreased the leaf biomass of P. edulis and O. lubricum by 35.1% and 26.7%, respectively, but had no significant effect on the biomass of branches, stem or root. For P. edulis, elevated O-3 increased the nutrient (Ca, Mg and Fe) concentration and allocation in leaf but reduced the concentration in other organs. In contrast, elevated O-3 increased the nutrient concentration and allocation in the branch of O. lubricum but decreased that of other organs. We also found that that P. edulis and O. lubricum responded differently to elevated O-3 in terms of nutrient (Ca, Mg and Fe) uptake and allocation. This information is critical for nutrient management and adaptation strategies for sustainable growth of P. edulis and O. lubricum under global climate change. (C) 2016 Elsevier B.V. All rights reserved.