福建东山湾海水中溶解态重金属平面分布及影响因素初探

doi:10.3969/j.issn.1001-909X.2016.02.010

海洋学研究 ›› 2016, Vol. 34 ›› Issue (2): 75-82.DOI: 10.3969/j.issn.1001-909X.2016.02.010

福建东山湾海水中溶解态重金属平面分布及影响因素初探

杨妙峰, 郑盛华, 席英玉, 钟硕良^*

福建省水产研究所,福建省海洋生物增养殖与高值化利用重点实验室,福建厦门 361013

收稿日期:2015-10-14 修回日期:2016-03-01 出版日期:2016-06-15 发布日期:2022-11-24
通讯作者: * 钟硕良(1953-),男,福建龙岩市人,教授级高工,主要从事海洋与渔业生态环境研究。E-mail: ZSL-5388@163.com
作者简介:杨妙峰(1979-),女,福建晋江市人,助理研究员,主要从事海洋与渔业生态环境研究。E-mail: miaofenf@sina.com
基金资助:
国家海洋公益性行业科研专项项目资助(201005012,201305043-4);福建省渔业“五新”科技推广项目资助 (闽海渔科[2012]001号);福建省海洋经济创新发展区域示范项目资助(2014FJPT01);厦门南方海洋研究中心项目资助(14PZY017NF17)

The horizontal distribution and affecting factors of dissolved heavy metals in seawater of Dongshan Bay, Fujian Province

YANG Miao-feng, ZHENG Sheng-hua, XI Ying-yu, ZHONG Shuo-liang^*

Key Laboratory of Cultivation and High-value Utilization of Marine Organisms in Fujian Province, Fishery Research Institute of Fujian, Xiamen 361013, China

Received:2015-10-14 Revised:2016-03-01 Online:2016-06-15 Published:2022-11-24

摘要/Abstract

摘要： 根据2011年5月(春)和8月(夏)福建省东山湾海洋生态环境的调查数据,研究了海水中溶解态重金属(Cu、Pb、Zn、Cd和Cr_(T))的平面分布特征及其影响机制,结果表明:(1)海水中溶解态重金属含量平面分布呈在西南部形成“点源汇集状高值区”且自西向东逐渐递减趋势;除锌元素外,重金属含量季节变化趋势均为夏季>春季。(2)20世纪80年代以来,除海水中Zn含量逐年增加外,Cu、Pb和Cd等污染物含量的变化趋势基本符合倒“U”形环境库兹涅茨曲线。(3)采用数理统计软件分析各溶解态重金属含量之间相关性,春季海水中重金属含量除总铬外,其余4种重金属含量两两呈显著正相关;夏季海水中重金属含量仅Cu-Cd和Cd-Cr_(T)相关性较好。(4)温度、盐度、pH值、化学需氧量、溶解氧、营养盐和生物效应是海水中溶解态重金属含量变化重要的影响因子。

关键词: 东山湾, 重金属, 平面分布, 影响因素

Abstract: Base on the investigation of Dongshan Bay in May (spring) and August (summer) 2011, the horizontal distribution and its influencing mechanism of dissolved heavy metals (Cu, Pb, Zn, Cd and Cr_(T)) in seawater were analyzed. The results indicated that: (1) The distribution of the heavy metals tended to be a peak source in the southwest sea areas and gradually decreased from west to east, whereas the trend of seasonal variation showed that the heavy metal contents in summer were higher than those in spring except Zn. (2) Since 1980s, changing trend of Cu, Pb and Cd contamination basically showed inverse “U” pattern conforming to environmental Kuznets curves while the content of Zn in seawater increased year after year. (3) The correlations between the dissolved heave metals were analyzed using the mathematic statistic method. It showed that except Cr_(T), among the rest 4 heavy metals, each two had a significant positive correlation in spring, while in summer, only Cu-Cd and Cd-Cr_(T) had a positive correlation. (4) Temperature, salinity, pH, COD, DO, nutrient and the biological effects were the main affecting factors for the variation of dissolved heavy metal contents in seawater.

Key words: Dongshan Bay, heavy metal, horizontal distribution, affecting factor

中图分类号:

杨妙峰, 郑盛华, 席英玉, 钟硕良. 福建东山湾海水中溶解态重金属平面分布及影响因素初探[J]. 海洋学研究, 2016, 34(2): 75-82.

YANG Miao-feng, ZHENG Sheng-hua, XI Ying-yu, ZHONG Shuo-liang. The horizontal distribution and affecting factors of dissolved heavy metals in seawater of Dongshan Bay, Fujian Province[J]. Journal of Marine Sciences, 2016, 34(2): 75-82.

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福建东山湾海水中溶解态重金属平面分布及影响因素初探

The horizontal distribution and affecting factors of dissolved heavy metals in seawater of Dongshan Bay, Fujian Province

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