黄渤海不同生长阶段的日本鳗草对5种重金属(锌、铬、铜、铅、镉)的生物蓄积

	黄渤海不同生长阶段的日本鳗草对5种重金属(锌、铬、铜、铅、镉)的生物蓄积
其他题名	The bioaccumulation of Zostera japonica for five heavy metals (Zn, Cr, Cu, Pb, Cd) at different growth stages in the Yellow Sea and Bohai Sea
	杨晓龙 1,2,3; 郭美玉 2; 叶金清 2; 袁秀堂4 ; 张安国 2; 李淑英 3; 徐永平 3; 杨超杰 1
发表期刊	海洋环境科学
ISSN	1007-6336
	2021
卷号	40 期号:6 页码:895-902
关键词	海草重金属生长阶段生物蓄积
英文摘要	Three distribution areas of Zostera japonica located in Liaohe Estuary (Bohai Sea), Sanggou Bay (Yellow Sea), and Dachangshan Island (Yellow Sea) were investigated to study the bioaccumulation of Z. japonica for environmental heavy metals at different growth stages. The contents of five heavy metals (Zn, Cr, Cu, Pb and Cd) in the aboveground and belowground tissues of Z. japonica during the early growth stage (May), the full growth stage (August) and the decline stage (October), as well as the relations between heavy metal contents in seagrass tissues and that in sediments were analyzed. The heavy metal levels, except Zn, in the sediments of seagrass beds in Liaohe estuary were significantly higher than that in Dachangshan island and Sanggou bay. The contents of Pb and Zn in Z. japonica were significantly higher than those of other heavy metals. The Cd, Pb and Cu were enriched in the above-ground tissues of Z. japonica with the highest bioconcentration factor for Cd was 37.18, but Z. japonica had no enrichment effects on Zn and Cr. The contents of Cu and Zn in the aboveground tissues of Z. japonica at the early growth stage showed a good linear relationship with the contents of Cu and Zn in the substrate, while the contents of Pb in the belowground tissues of Z. japonica at the decline stage had a significant correlation with the contents of Pb in the sediments. The bioaccumulation of Z. japonica for heavy metals at different growth stages can be applied for biological monitoring of heavy metal levels in the Bohai Sea and the Yellow Sea. The present results could provide important guideline for pollution regulation in the Yellow Sea and Bohai Sea.
中文摘要	为研究日本鳗草(Zostera japonica)在不同生长阶段对环境重金属的生物蓄积作用,本文在辽河口(渤海)、桑沟湾(黄海)和大长山岛(黄海)的日本鳗草分布区开展调查研究,分析了日本鳗草生长初期(5月)、生长旺盛期(8月)和衰退期(10月)地上组织和地下组织中5种重金属(Zn、Cr、Cu、Pb和Cd)的含量及其同沉积物重金属含量的相关性。研究结果表明,除Zn以外,辽河口日本鳗草分布区沉积物的重金属含量显著高于大长山岛和桑沟湾;日本鳗草体内的Pb和Zn含量显著高于其他重金属含量;日本鳗草地上组织对Cd、Pb和Cu具有蓄积作用,对Cd的生物富集系数最高达37.18,但对Zn和Cr不具有蓄积作用;生长初期的日本鳗草地上组织Cu和Zn含量与其基质中Cu和Zn含量呈良好的线性关系,而衰退期的日本鳗草地上组织Pb含量同沉积物中Pb含量具有显著相关性。日本鳗草在不同生长阶段对重金属的蓄积作用可用于开展黄渤海重金属污染水平的生物监测,本研究结果可为黄渤海的污染防治工作提供重要参考。
文章类型	期刊论文
收录类别	CSCD
语种	中文
CSCD记录号	CSCD:7115572
引用统计
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/34120
专题	海岸带生物学与生物资源利用重点实验室海岸带生物学与生物资源利用重点实验室_海岸带生物资源高效利用研究与发展中心
作者单位	1.海南热带海洋学院热带海洋生物资源利用与保护教育部重点实验室,海南三亚572022; 2.国家海洋环境监测中心,辽宁大连116023; 3.大连赛姆生物工程技术有限公司博士后工作站,辽宁大连116620; 4.中国科学院烟台海岸带研究所,山东烟台264003
推荐引用方式 GB/T 7714	杨晓龙,郭美玉,叶金清,等. 黄渤海不同生长阶段的日本鳗草对5种重金属(锌、铬、铜、铅、镉)的生物蓄积[J]. 海洋环境科学,2021,40(6):895-902.
APA	杨晓龙.,郭美玉.,叶金清.,袁秀堂.,张安国.,...&杨超杰.(2021).黄渤海不同生长阶段的日本鳗草对5种重金属(锌、铬、铜、铅、镉)的生物蓄积.海洋环境科学,40(6),895-902.
MLA	杨晓龙,et al."黄渤海不同生长阶段的日本鳗草对5种重金属(锌、铬、铜、铅、镉)的生物蓄积".海洋环境科学 40.6(2021):895-902.