碱蓬(Suaeda glauca)对不同程度富营养化养殖海水的净化效果

doi:10.11934/j.issn.1673-4831.2017.11.009

生态与农村环境学报 ›› 2017, Vol. 33 ›› Issue (11): 1023-1028.doi: 10.11934/j.issn.1673-4831.2017.11.009

碱蓬(Suaeda glauca)对不同程度富营养化养殖海水的净化效果

常雅军, 张亚, 刘晓静, 李乃伟, 杜凤凤, 姚东瑞

江苏省盐土生物资源研究重点实验室/江苏省中国科学院植物研究所, 江苏南京 210014

收稿日期:2017-02-23 出版日期:2017-11-25 发布日期:2017-11-24
通讯作者: 姚东瑞,E-mail:shuishengzu@126.com E-mail:shuishengzu@126.com
作者简介:常雅军(1980-),女,甘肃天水人,助理研究员,博士,主要研究方向为环境生态与污染水体的生物修复。E-mail:changyj@cnbg.net
基金资助:
江苏省环保科研课题（2016044）；江苏省盐土生物资源研究重点实验室项目（YT2014-02）；江苏省水产三新项目（Y2017-27）

Effect of Suaeda glauca Purifying Seawater From Marinelands Varying in Eutrophication Degree

CHANG Ya-jun, ZHANG Ya, LIU Xiao-jing, LI Nai-wei, DU Feng-feng, YAO Dong-rui

Jiangsu Key Laboratory for Bioresouces of Saline Soils/Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China

Received:2017-02-23 Online:2017-11-25 Published:2017-11-24

摘要/Abstract

摘要：

针对目前沿海滩涂规模化水产养殖引起的水体富营养化问题，根据江苏滩涂水产养殖的尾水特征，利用室内模拟方法和水培实验，研究碱蓬（Suaeda glauca）在不同程度富营养化养殖海水中的生长特性及其对水体氮、磷的去除效果。结果表明，实验期间，碱蓬在高富营养化水体（TN和TP浓度分别为2.4和0.05 mmol·L^-1）中的干、鲜重增量最大，与生长在中富营养化（TN和TP浓度分别为1.6和0.03 mmol·L^-1）、低富营养化（TN和TP浓度分别为0.8和0.01 mmol·L^-1）水体中的碱蓬生物量差异显著（P<0.05）。碱蓬对滩涂水产养殖尾水的氮、磷去除率随水体氮、磷浓度的增加而降低，氮、磷去除率分别达73.2%和74.4%以上。对不同程度富营养化养殖海水中碱蓬各器官的生物量，氮、磷含量与积累量进行分析，结果表明，碱蓬作为在滨海盐渍化土壤中生长的一年生优势物种，具有对滩涂养殖尾水进行生物改良的潜力。

关键词: 碱蓬, 滩涂养殖尾水, 富营养化, 净化效应

Abstract:

To search for a practical economical phytoremediation strategy for remediation of hyper-eutrophied sea water discharged from marinelands in the areas of costal tidal flats in China, an in-lab simulated aqucultural experiment was conducted on biomass production and nutrient removal efficiency of Suaeda glauca in eutrophied sea water. Results show that the plant growing in the hyper-eutrophied water with TN and TP reaching 2.4 and 0.05 mmol·L^-1, respectively, turned out the highest biomass, either dry or fresh, or significantly higher than those growing in moderately eutrophied water with TN and TP reaching 1.6 and 0.03 mmol·L^-1, respectively or low-eutrophied water with TN and TP reaching 0.8 and 0.01 mmol·L^-1, respectively during the experiment. TN and TP removal efficiency of the plant reached 73.2% and 74.4%, separately, and declined with rising TN and TP concentrations in the eutrophied water. In addition, biomass, N and P contents and accumulation of all organs of Suaeda glauca were analyzed, with results suggesting that Suaeda glauca as a pioneer annual species in coastal tidal flats could be used to remedy hyper-eutrophied sea water as tail water from marinelands.

Key words: Suaeda glauca, aquacultural tail water, hypereutrophic, purification effect

中图分类号:

X522

常雅军, 张亚, 刘晓静, 李乃伟, 杜凤凤, 姚东瑞. 碱蓬(Suaeda glauca)对不同程度富营养化养殖海水的净化效果[J]. 生态与农村环境学报, 2017, 33(11): 1023-1028.

CHANG Ya-jun, ZHANG Ya, LIU Xiao-jing, LI Nai-wei, DU Feng-feng, YAO Dong-rui. Effect of Suaeda glauca Purifying Seawater From Marinelands Varying in Eutrophication Degree[J]. Journal of Ecology and Rural Environment, 2017, 33(11): 1023-1028.

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碱蓬(Suaeda glauca)对不同程度富营养化养殖海水的净化效果

Effect of Suaeda glauca Purifying Seawater From Marinelands Varying in Eutrophication Degree

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