IOCAS-IR  > 海洋生态与环境科学重点实验室
Seasonal dynamics of trace elements in sediment and seagrass tissues in the largest Zostera japonica habitat, the Yellow River Estuary, northern China
Lin, Haiying1; Sun, Tao1; Adams, Matthew P.2; Zhou, Yi3; Zhang, Xiaomei3; Xu, Shaochun3; Gu, Ruiting3
2018-09-01
Source PublicationMARINE POLLUTION BULLETIN
ISSN0025-326X
Volume134Pages:5-13
Corresponding AuthorSun, Tao(suntao@bnu.edu.cn) ; Zhou, Yi(yizhou@qdio.ac.cn)
AbstractTrace element accumulation is an anthropogenic threat to seagrass ecosystems, which in turn may affect the health of humans who depend on these ecosystems. Trace element accumulation in seagrass meadows may vary temporally due to, e.g., seasonal patterns in sediment discharge from upstream areas. In addition, when several trace elements are present in sufficiently high concentrations, the risk of seagrass loss due to the cumulative impact of these trace elements is increased. To assess the seasonal variation and cumulative risk of trace element contamination to seagrass meadows, trace element (As, Cd, Cr, Cu, Pb, Hg, Mn and Zn) levels in surface sediment and seagrass tissues were measured in the largest Chinese Zostera japonica habitat, located in the Yellow River Estuary, at three sites and three seasons (fall, spring and summer) in 2014-2015. In all three seasons, trace element accumulation in the sediment exceeded background levels for Cd and Hg. Cumulative risk to Z. japonica habitat in the Yellow River Estuary, from all trace elements together, was assessed as "moderate" in all three seasons examined. Bioaccumulation of trace elements by seagrass tissues was highly variable between seasons and between above-ground and below-ground biomass. The variation in trace element concentration of seagrass tissues was much higher than the variation in trace element concentration of the sediment. In addition, for trace elements which tended to accumulate more in above-ground biomass than below-ground biomass (Cd and Mn), the ratio of above-ground to below-ground trace element concentration peaked at times corresponding to high water discharge and high sediment loads in the Yellow River Estuary. Overall, our results suggest that trace element accumulation in the sediment may not vary between seasons, but bioaccumulation in seagrass tissues is highly variable and may respond directly to trace elements in the water column.
KeywordCumulative risk Seasonal change Trace elements (TEs) Seagrass Zostera japonica Yellow River Estuary
DOI10.1016/j.marpolbul.2018.02.043
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China (973)[2013CB430402] ; National Science & Technology Basic Work Program[2015FY110600] ; Key Research and Development Project of Shandong Province[2017GHY15111] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-DQC041-1] ; 2017 Australia-China Young Scientists Exchange Program
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000447116800002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157540
Collection海洋生态与环境科学重点实验室
Corresponding AuthorSun, Tao; Zhou, Yi
Affiliation1.Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China
2.Univ Queensland, Sch Chem Engn, St Lucia, Qld 4072, Australia
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lin, Haiying,Sun, Tao,Adams, Matthew P.,et al. Seasonal dynamics of trace elements in sediment and seagrass tissues in the largest Zostera japonica habitat, the Yellow River Estuary, northern China[J]. MARINE POLLUTION BULLETIN,2018,134:5-13.
APA Lin, Haiying.,Sun, Tao.,Adams, Matthew P..,Zhou, Yi.,Zhang, Xiaomei.,...&Gu, Ruiting.(2018).Seasonal dynamics of trace elements in sediment and seagrass tissues in the largest Zostera japonica habitat, the Yellow River Estuary, northern China.MARINE POLLUTION BULLETIN,134,5-13.
MLA Lin, Haiying,et al."Seasonal dynamics of trace elements in sediment and seagrass tissues in the largest Zostera japonica habitat, the Yellow River Estuary, northern China".MARINE POLLUTION BULLETIN 134(2018):5-13.
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