绿狐尾藻光合色素组成及氮磷化学计量学特征对外源铵的响应

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成果类型：

期刊论文

作者：

冼应男;张瑛;李宝珍;罗沛;肖润林;...

通讯作者：

Li, B.-Z.

作者机构：

[李宝珍; 吴金水; 肖润林; 罗沛] Key Laboratory of Agro-ecological Processes in Subtropical Region, Changsha Research Station for Agricultural and Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China

College of Resources & Environment, Huazhong Agricultural University, Wuhan, 430070, China

College of Resources & Environment, Hunan Agricultural University, Changsha, 410128, China

[张瑛] Key Laboratory of Agro-ecological Processes in Subtropical Region, Changsha Research Station for Agricultural and Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China, College of Resources & Environment, Hunan Agricultural University, Changsha, 410128, China

[冼应男] Key Laboratory of Agro-ecological Processes in Subtropical Region, Changsha Research Station for Agricultural and Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China, College of Resources & Environment, Huazhong Agricultural University, Wuhan, 430070, China

通讯机构：

[Li, B.-Z.] K

Key Laboratory of Agro-ecological Processes in Subtropical Region, China

语种：

中文

关键词：

绿狐尾藻;光合色素;氮磷化学计量学;铵

关键词(英文)：

ammonium;Myriophyllum aquaticum;photosynthetic pigment;stoichiometry of nitrogen and phosphorus

期刊：

植物生态学报

ISSN：

1005-264X

年：

2022

卷：

期：

页码：

451-460

DOI：

10.17521/cjpe.2021.0291

基金类别：

—————————————————— 收稿日期Received: 2021-08-11 接受日期Accepted: 2021-10-18 基金项目: 国家自然科学基金(42077103)、湖南省水利科技项目(XSKJ2019081-52)和湖南省国际科技创新合作基地项目(2018WK4012)。Supported by the National Natural Science Foundation of China (42077103), the Project of Water Science and Technology in Hunan Province (XSKJ2019081-52), and the Hunan Provincial International Science and Technology Innovation Cooperation Base Project (2018WK4012). * 通信作者Corresponding author (bzli@isa.ac.cn)

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

绿狐尾藻(Myriophyllum aquaticum)对高浓度铵(NH+ 4)具有较高的耐受性,是处理养殖废水的优选植物。探究外源铵对绿狐尾藻光合色素组成及氮(N)、磷(P)化学计量学特征的影响,对提高绿狐尾藻人工湿地系统的处理效率具有重要意义。该研究设置0、0.1、1、5、15、30 mmol·L~(-1) 6个NH_4~+浓度,室内培养21天,测定分析不同铵浓度下绿狐尾藻叶绿素含量、N含量、 P含量和N:P的变化特征。结果表明,随外源铵浓度增加,绿狐尾藻的相对茎高和相对生物量先升高后降低,且通过拟合曲线方程发现,外源铵在16.22和12.58 mmol·L~(-1)时,其相对茎高和相对生物量达到最大值。随外源铵浓度的增加,绿狐尾藻叶片叶绿素含...

摘要(英文)：

Aims Myriophyllum aquaticum has high tolerance to high concentration of ammonium (NH4+) and thus becomes the preferred species for swine wastewater treatment. It is of great significance to explore the effects of exogenous NH4+ on the photosynthetic pigment composition and the stoichiometric characteristics of nitrogen (N) and phosphorus (P) of the M. aquaticum for improving the purifying efficiency of artificial wetlands system of M. aquaticum. Methods Six NH4+ levels (0, 0.1, 1, 5, 15, 30 mmol·L–1) were set up in this study. After 21 days o...

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