基于Pb稳定同位素分析的海岸带生态保护关键区域识别

doi:10.13287/j.1001-9332.201707.032

应用生态学报 ›› 2017, Vol. 28 ›› Issue (7): 2307-2314.doi: 10.13287/j.1001-9332.201707.032

基于Pb稳定同位素分析的海岸带生态保护关键区域识别

钱庆腾, 历成伟, 赵萌, 方淑波

上海海洋大学海洋生态与环境学院,上海 201306

收稿日期:2017-02-27 修回日期:2017-05-22 发布日期:2017-07-18
通讯作者: *mail:bsfang@shou.edu.cn
作者简介:钱庆腾,男,1988年生,硕士研究生.主要从事湿地生态学研究.E-mail:bsfang@sina.com
基金资助:
本文由国家重点基础研究发展计划重大基础专项(2013CB430400)和国家科技支撑计划项目(2012BAC07B03)资助

Identification of the critical coastal conservation areas with ecological significance based on Pb stable isotope signatures analysis

QIAN Qing-teng, LI Cheng-wei, ZHAO Meng, FANG Shu-bo^*

College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China

Received:2017-02-27 Revised:2017-05-22 Published:2017-07-18
Contact: *mail:bsfang@shou.edu.cn
Supported by:
This work was supported by the National Key Basic Research Program of China (2013CB430400) and the National Science and Technology Support Program (2012BAC07B03).

摘要/Abstract

摘要： Pb稳定同位素分析可以精确确定Pb的来源,揭示Pb在空间上的潜在迁移过程,从而对目标区域实行精确的污染管理.研究采集了盐城海岸带12个样方点的表层(0～10 cm)土壤样品,每个样方点3～5个重复,采用等离子光谱质谱仪测定各土壤样品Pb的含量及Pb同位素组成(²⁰⁶Pb、²⁰⁷Pb、²⁰⁸Pb).结果表明:研究区域土壤Pb含量平均值是背景值的1.7倍,参考国家土壤环境质量标准GB 15618—2008,研究区域受到较严重的Pb污染.分析表明,盐城海岸带土壤Pb污染源主要为局地污染源,包括江苏省射阳电厂、双灯纸业芦苇基地污水处理厂和王港闸华丰工业园.采用归一化植被指数(NDVI)和距离分析,通过计算筛选出了盐城海岸带应对主要压力源的关键格局.

Abstract: Pb stable isotope signatures analysis can be used to identify its sources precisely and the spatial transportation process to achieve precise management of target areas. In this study, 12 surface (0-10 cm) soil samples (3-5 replications for each site) were collected on the Yancheng coast. Pb isotopes (²⁰⁶Pb, ²⁰⁷Pb and ²⁰⁸Pb) and Pb contents were analyzed by inductively coupled plasma mass spectrometry. Results showed that the soil Pb contents were as high as 1.7 times of the background Pb content value. Referencing the national criteria of GB 15618-2008, the study area was polluted by Pb to a relatively serious extent. The analysis indicated that main Pb sources of the area were local, including Sheyang Power Plant, Shuangdeng Paper Mill Sewage Plant, and Huafeng industrial area near Wanggang. Based on the normalized difference vegetation index (NDVI) and distance analysis, we figured out the key patterns of Yancheng coast to cope with the press sources.

钱庆腾, 历成伟, 赵萌, 方淑波. 基于Pb稳定同位素分析的海岸带生态保护关键区域识别[J]. 应用生态学报, 2017, 28(7): 2307-2314.

QIAN Qing-teng, LI Cheng-wei, ZHAO Meng, FANG Shu-bo. Identification of the critical coastal conservation areas with ecological significance based on Pb stable isotope signatures analysis[J]. Chinese Journal of Applied Ecology, 2017, 28(7): 2307-2314.

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基于Pb稳定同位素分析的海岸带生态保护关键区域识别

Identification of the critical coastal conservation areas with ecological significance based on Pb stable isotope signatures analysis

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