期刊
JOURNAL OF GEOCHEMICAL EXPLORATION
卷 169, 期 -, 页码 43-49出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gexplo.2016.07.010
关键词
Cymodocea nodosa; Trace elements; Marine pollution; Seagrass; Mediterranean Sea; Sicily
资金
- EcoStat srl - Spin-off of Catania University
- Italian Ministry of Education, University and Research [20104001/2011]
- Italian National Research Council
This study aimed to investigate the bioaccumulation patterns of As, Cd, Cr, Cu, Hg, Ni, Pb and Zn in the seagrass Cymodocea nodosa. Results showed that roots and leaves of C. nodosa tend to accumulate similar values of trace elements but significantly greater than rhizomes, which seem to act as transit organs. Cu was the only element with similar concentrations in the three organs. C. nodosa showed no correlation with trace elements in water, whereas Cd, Cu, Ni and Zn in sediments were correlated with C nodosa. This study showed also that C nodosa tends to adopt an exclusion strategy for some toxic elements like Cr except As. In general, the roots and leaves of C. nodosa acted as bioindicators of several trace elements in sediments. Leaves are easier to sample and are suggested for short-term monitoring, given their periodic turnover. In turn, roots are more suitable for collecting historical information on past environmental conditions. (C) 2016 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据