Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, PR China; College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, PR China.
Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, PR China; College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, PR China.
Mar Pollut Bull. 2014 Dec 15;89(1-2):427-434. doi: 10.1016/j.marpolbul.2014.10.022. Epub 2014 Oct 25.
Selected trace elements (Hg, As, Pb, Cu, Cd, Cr and Zn) in seawater and sediments from Dingzi Bay, a semi-enclosed bay suffering from severe degradation located in the Shandong Peninsula, were investigated to evaluate the spatial distribution and potential ecological risk. Results indicated that higher concentrations occurred in the inner bay. Calculation of pollution load index (PLI) showed overall low values while the concentration factor (CF) indicated that Hg, As and Cd were at moderate risk levels in the region. Based on the effects-range classification, As was likely to pose environment risk. Principal component analysis (PCA) revealed that in addition to background contributions, the trace elements contamination could also be affected by anthropogenic pollution sources. The results of present study provide useful background information for further marine investigation and management in the region.
选取山东半岛半封闭重度退化的丁字湾海水和沉积物中的痕量元素（汞、砷、铅、铜、镉、铬和锌）进行研究，以评估其空间分布和潜在生态风险。结果表明，内湾的浓度更高。污染负荷指数（PLI）的计算表明总体值较低，而浓度因子（CF）表明该地区的汞、砷和镉处于中等风险水平。根据效应范围分类，砷可能对环境构成风险。主成分分析（PCA）表明，除了背景贡献外，痕量元素污染还可能受到人为污染源的影响。本研究的结果为该地区进一步的海洋调查和管理提供了有用的背景信息。
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