Lei Yan Li, Li Tie Gang, Bi Hongsheng, Cui Wen Lin, Song Wen Peng, Li Ji Ye, Li Cheng Chun
Department of Marine Organism Taxonomy & Phylogeny, Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, PR China.
Department of Marine Organism Taxonomy & Phylogeny, Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, PR China.
Mar Pollut Bull. 2015 Jul 15;96(1-2):245-60. doi: 10.1016/j.marpolbul.2015.05.020. Epub 2015 May 19.
The 2011 oil spill in the Bohai Sea was the largest spill event in China. Nine sediment cores were taken near the spill site and environmental factors including Polycyclic Aromatic Hydrocarbon (PAHs), oils, sulfides, organic carbon were measured 6 months later. Benthic foraminifera were separated into >150 μm (large) and 63-150 μm (small) size fractions for 2-cm depth interval of each sediment core. Statistical analyses suggested that the species composition of living foraminifera was impacted by oils, PAHs and sulfides. Large foraminifera were more sensitive to the oils than the small. Abnormal specimens were positively correlated with oils or PAHs. Small forms, however, tended to have high reproduction and mortality. Pollution-resistant and opportunistic taxa were identified to calculate a Foraminiferal Index of Environmental Impacts (FIEI). The FIEI increased from low to high oil-polluted station and from deep layer to surface sediment reflects the impact of oil pollution in this area.
2011年渤海石油泄漏是中国最大的一次泄漏事件。在泄漏地点附近采集了9个沉积物岩芯，并在6个月后测量了包括多环芳烃（PAHs）、石油、硫化物、有机碳在内的环境因素。将每个沉积物岩芯2厘米深度间隔的底栖有孔虫分为>150微米（大）和63 - 150微米（小）两个粒径组。统计分析表明活有孔虫的物种组成受到石油、多环芳烃和硫化物的影响。大型有孔虫比小型有孔虫对石油更敏感。异常标本与石油或多环芳烃呈正相关。然而，小型有孔虫往往具有高繁殖率和高死亡率。识别出抗污染和机会主义类群以计算有孔虫环境影响指数（FIEI）。FIEI从低油污染站点到高油污染站点以及从深层沉积物到表层沉积物呈上升趋势，反映了该地区石油污染的影响。
Zotero 插件