飞云江入海口表层沉积物中重金属污染及潜在生态危害评价

doi:10.3969/j.issn.1004-1524.2017.10.16

浙江农业学报 ›› 2017, Vol. 29 ›› Issue (10): 1706-1711.DOI: 10.3969/j.issn.1004-1524.2017.10.16

飞云江入海口表层沉积物中重金属污染及潜在生态危害评价

陈星星, 黄振华, 潘齐存^*, 陆荣茂, 曾国权, 柯爱英, 黄志行, 叶深

浙江省海洋水产养殖研究所浙江省近岸水域生物资源开发与保护重点实验室,浙江温州 325005

收稿日期:2017-03-07 出版日期:2017-10-20 发布日期:2017-12-05
通讯作者: 潘齐存,E-mail:394823108@qq.com
作者简介:陈星星(1988-),男,浙江台州人,助理工程师,主要研究方向为水产品质检与营养分析。E-mail: 363316091@qq.com
基金资助:
浙江省科技厅项目(2015F30021, 2016C37071,2016F50032); 2016年度温州市重点渔业水域环境监测(DHCG20160307)

Ecological risk evaluation of heavy metals in surface sediment in coastal area of Feiyun River

CHEN Xingxing, HUANG Zhenhua, PAN Qicun^*, LU Rongmao, ZENG Guoquan, KE Aiying, HUANG Zhixing, YE Shen

Zhejiang Mariculture Research Institute, Zhejiang Key Laboratory of Exploitation and Preservation of Coastal Bio-resource, Wenzhou 325005, China

Received:2017-03-07 Online:2017-10-20 Published:2017-12-05

摘要/Abstract

摘要： 于2016年8月采集飞云江入海口瑞安和平阳区域14个站点的表层沉积物,运用无火焰和火焰原子吸收分光法测定2个区域表层沉积物中的重金属含量,并采用Hakanson潜在生态危害指数法对重金属的生态危害进行评价。结果表明,这2个区域各个站位点的重金属污染状况具有一定的相似性:Cu、Zn和Cr的平均单因子污染指数均大于1,属于中等污染程度;瑞安和平阳的平均综合污染指数分别为5.34、5.87,属于低污染程度。平阳的生态风险指数(21.03)大于瑞安(18.37),但指数值都小于150,属于低生态危害程度。在空间分布上,受飞云江和鳌江支流和沿岸流影响,平阳区域污染要大于瑞安区域。

关键词: 飞云江入海口, 重金属, 表层沉积物, 生态危害

Abstract: In order to explore the status of water environmental quality at Feiyun River estuary, surface sediments of 14 sites were collected in Ruian and Pingyang region in August 2016. The contents of heavy metals in surface sediment were analyzed with no flame and flame atomic absorption spectrophotometry, and the ecological risk of heavy metals were assessed by Hakanson potential ecological risk index. It was shown that the situations of heavy metals pollution in the 2 sample areas were similar. The average contamination index of Cu, Zn and Cr was greater than 1, and reached the medium pollution level. The average comprehensive contamination index of Ruian and Pingyang was 5.34 and 5.87, respectively, which were located in the low pollution level. The ecological risk index of Pingyang (21.03) was greater than that of Ruian(18.37), indicating low ecological risk level. As influenced by the river and tributaries of the Aojiang Feiyun flow, the pollution of Pingyang region was more severe than that of Ruian.

Key words: coastal area of Feiyun, heavy metals, surface sediment, ecological risk

中图分类号:

X502

陈星星, 黄振华, 潘齐存, 陆荣茂, 曾国权, 柯爱英, 黄志行, 叶深. 飞云江入海口表层沉积物中重金属污染及潜在生态危害评价[J]. 浙江农业学报, 2017, 29(10): 1706-1711.

CHEN Xingxing, HUANG Zhenhua, PAN Qicun, LU Rongmao, ZENG Guoquan, KE Aiying, HUANG Zhixing, YE Shen. Ecological risk evaluation of heavy metals in surface sediment in coastal area of Feiyun River[J]. , 2017, 29(10): 1706-1711.

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飞云江入海口表层沉积物中重金属污染及潜在生态危害评价

Ecological risk evaluation of heavy metals in surface sediment in coastal area of Feiyun River

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