[1]谷阳光,王朝晖,吕颂辉,等.粤西海域表层沉积物生源要素分布与污染评价[J].深圳大学学报理工版,2010,27(3):347-352.
 GU Yang-guang,WANG Zhao-hui,LU Song-hui,et al.Distribution of biogenic elements and potential contamination assessment in surface sediments from western Guangdong coasts[J].Journal of Shenzhen University Science and Engineering,2010,27(3):347-352.
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第27卷
期数:
2010年3期
页码:
347-352
栏目:
环境与能源
出版日期:
2010-07-30

文章信息/Info

Title:
Distribution of biogenic elements and potential contamination assessment in surface sediments from western Guangdong coasts
文章编号:
1000-2618(2010)03-0347-07
作者:
谷阳光1王朝晖12吕颂辉3杨宇峰12冯杰1方军4舒永红4牟德海4
1) 暨南大学水生生物研究中心,广州 510632
2) 热带亚热带水生态工程教育部工程研究中心,广州 510632
3) 暨南大学赤潮与水环境研究中心,广州 510632
4) 中国广州分析测试中心 广东省化学危害应急检测技术重点实验室,广州510070
Author(s):
GU Yang-guang1WANG Zhao-hui12LU Song-hui3YANG Yu-feng12FENG Jie1FANG Jun4SHU Yong-hong4and MU De-hai4
1)Institute of Hydrobiology, Jinan University, Guangzhou 510632, P.R.China
2)Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Guangzhou 510632, P.R.China
3)Research Center of Harmful Algal Bloom and Aquatic Environmental Science, Jinan University, Guangzhou 510632, P.R.China
4)China National Analytical Center Guangdong Key Laboratory of Chemical Emergency Test, Guangzhou 510070, P.R.China
关键词:
生物地球化学海洋污染沉积物生物硅总有机碳总氮总磷中国粤西海域
Keywords:
biogeochemistry marine pollution sediment biogenic silica total organic carbon total nitrogen total phosphoru western Guangdong coast
分类号:
P 736.4
文献标志码:
A
摘要:
采集2006年7月至2007年11月中国粤西海陵湾、水东港、雷州湾和流沙湾表层沉积物,分析沉积物中生物硅(biogenic silica,BSi)、总有机碳(total organic carbon,TOC)、总氮(total nitrogen,TN)和总磷(total phosphorus,TP)4种生源要素含量.结果表明,粤西海域生源要素含量与国内外港湾相比属中等水平,整体来说夏季各种生源要素含量较高, BSi、TOC、TN和TP的平均质量分数分别为0.27%、0.90%、0.27%和0.027%,冬季BSi、TOC、TN和TP的平均质量分数分别为0.24%、0.67%、0.06%和0.022%.沉积物中TOC/TN值表明,海陵湾、水东港和雷州湾的TOC主要来源于水生,流沙湾TOC主要源自陆源.BSi的含量在春夏秋3个季节均较高,反映了较高的硅藻生产力;而夏季丰富的TOC、TN和TP含量则反映了夏季较高的初级生产力和大量陆源输入.生源要素污染评价表明,4个港湾中,TOC除流沙湾属Ⅱ类污染,其余3个港湾属于Ⅰ类污染;TP均属于Ⅰ类污染;而TN均属于Ⅱ类污染.
Abstract:
The concentrations of four types of biogenic elements,biogenic silica (BSi),total organic carbon (TOC),total nitrogen (TN) and total phosphorus (TP),were determined in surface sediments collected from western Guangdong coasts between July 2006 and November 2007.Results showed that concentrations of biogenic elements from Guangdong Western Coasts were within moderate levels compared with those from other coastal areas in the world.BSi,TOC,TN,and TP contents were in average levels of 0.27%,0.90%,0.27% and 0.027% in summer,and were 0.24%,0.67%,0.06% and 0.022% in winter respectively.From the TOC/TN ratios,it is suggested marine origin of TOC in Hailing Bay,Shuidong Harbor and Leizhou Bay,and terrestrial origin of TOC in Liusha Bay.BSi contents were high in three seasons except for the winter,displaying the higher diatom production.Higher TOC,TN and TP concentrations in summer represented sufficient inputs from runoff in flood season.Contamination assessment of biogenic elements indicated that TOC and TP in most samples belonged to ClassⅠpollution,TN belonged to Class Ⅱ pollution. Samples indicated some toxicity effects on benthos.

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备注/Memo

备注/Memo:
收稿日期:2010-04-08;修回日期:2010-06-09
基金项目:国家自然科学基金资助项目(40773063);国家自然科学基金委员会-广东省人民政府自然科学联合基金资助项目(U0633006)
作者简介:谷阳光(1982-),男(汉族),安徽省蚌埠市人,暨南大学博士研究生.E-mail: 0923091004@stu.jnu.edu.cn
通讯作者:王朝晖(1968-),女(汉族),暨南大学教授、博士生导师. E-mail: twzh@jnu.edu.cn
更新日期/Last Update: 2010-07-30