爱沙尼亚页岩燃油水溶组分对水生生物的毒性
Toxicity of Water Accommodated Fractions of Estonian Shale Fuel Oils to Aquatic Organisms.
作者信息
Blinova Irina, Kanarbik Liina, Sihtmäe Mariliis, Kahru Anne
机构信息
Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618, Tallinn, Estonia.
Department of Chemical and Materials Technology, Tallinn University of Technology, Ehitajate tee 5, 19086, Tallinn, Estonia.
出版信息
Arch Environ Contam Toxicol. 2016 Feb;70(2):383-91. doi: 10.1007/s00244-015-0242-8. Epub 2015 Nov 21.
Estonia is the worldwide leading producer of the fuel oils from the oil shale. We evaluated the ecotoxicity of water accommodated fraction (WAF) of two Estonian shale fuel oils ("VKG D" and "VKG sweet") to aquatic species belonging to different trophic levels (marine bacteria, freshwater crustaceans and aquatic plants). Artificial fresh water and natural lake water were used to prepare WAFs. "VKG sweet" (lower density) proved more toxic to aquatic species than "VKG D" (higher density). Our data indicate that though shale oils were very toxic to crustaceans, the short-term exposure of Daphnia magna to sub-lethal concentrations of shale fuel oils WAFs may increase the reproductive potential of survived organisms. The weak correlation between measured chemical parameters (C10-C40 hydrocarbons and sum of 16 PAHs) and WAF's toxicity to studied species indicates that such integrated chemical parameters are not very informative for prediction of shale fuel oils ecotoxicity.
爱沙尼亚是全球领先的油页岩燃料油生产国。我们评估了两种爱沙尼亚页岩燃料油（“VKG D”和“VKG甜型”）的水相组分（WAF）对不同营养级水生生物（海洋细菌、淡水甲壳类动物和水生植物）的生态毒性。使用人工淡水和天然湖水制备WAF。结果表明，“VKG甜型”（密度较低）对水生生物的毒性比“VKG D”（密度较高）更大。我们的数据表明，尽管页岩油对甲壳类动物毒性很大，但大型溞短期暴露于亚致死浓度的页岩燃料油WAF中可能会增加存活生物的繁殖潜力。所测化学参数（C10 - C40烃类和16种多环芳烃总和）与WAF对受试物种毒性之间的弱相关性表明，此类综合化学参数对于预测页岩燃料油的生态毒性并无太大参考价值。
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