溶解性有机碳组成对生物配体模型预测Cu毒性的影响Influence of Dissolved Organic Carbon Composition on Prediction of Copper Toxicity to Medaka by Biotic Ligand Model
王春艳;陈浩;Kuen Benjamin Wu;郑丙辉;安立会;
摘要(Abstract):
为揭示溶解性有机碳(DOC)的组成对生物配体模型(BLM)预测铜的生物毒性准确性的影响,研究了不同浓度黄腐酸(FA)、腐殖酸(HA)和两者不同浓度比例混合物影响铜对青鳉急性毒性。结果表明:在相同水质条件下,黄腐酸或腐殖酸浓度增加时,铜对青鳉的LC50均增加;两者共存时,当腐殖酸质量百分比从10%增至90%时,铜对青鳉的LC50也增加。当天然水中DOC的组成不确定时,可假设HA和FA的组成比例为1∶1,此时BLM预测铜对青鳉的LC50的偏差最小。
关键词(KeyWords): 溶解性有机碳;黄腐酸;腐殖酸;生物配体模型;铜;青鳉
基金项目(Foundation): 国家水体污染控制与治理科技重大专项(2009ZX07528)
作者(Author): 王春艳;陈浩;Kuen Benjamin Wu;郑丙辉;安立会;
Email:
DOI:
参考文献(References):
- [1]Niyogi S,Wood C M.Biotic ligand model,a flexible tool for developing site-specific water quality guide-lines for metals[J].Environmental Science&Tech-nology,2004,38(23):6177-6192
- [2]黄圣彪.水环境中铜形态与其生物有效性/毒性关系及其预测模型研究[D].北京:中国科学院研究生院,2003:17Huang S B.Measurement and prediction in the toxic/bioavailabile concentration of copper in natural water[D].Beijing:Chinese Academy of Sciences,2003:17(in Chinese)
- [3]Di Toro D M,Allen H E,Bergman J S,et al.The biotic ligand model:A computational approach for as-sessing the ecological effects of metals in aquatic sys-tems[R].New York:International Copper Associa-tion,Environmental Program,2000
- [4]Di Toro D M,Allen H E,Bergman H L,et al.Biot-ic ligand model of the acute toxicity of metals:I.Technical basis[J].Environmental Toxicology and Chemistry,2001,20(10):2383-2396
- [5]Santore R C,Di Toro D M,Paquin P R,et al.Biotic ligand model of the acute toxicity of metals:2.Ap-plication to acute copper toxicity in freshwater fish and Daphnia[J].Environmental Toxicology and Chemistry,2001,20(10):2397-2402
- [6]US EPA.Integrated Approach to Assessing the Bio-availability and Toxicity of Metals in Surface Waters and Sediments,a Report to the EPA Science Adviso-ry Board[R].Washington,DC:Office of Research and Development,USEPA,1999
- [7]Wang C Y,Chen H,Wu K B,et al.Application of the biotic ligand model to predict copper acute toxicity to medaka fish in typical China rivers[J].Water Sci-ence and Technology,2011,64(6):1277-1283
- [8]国家环境保护局.GB/T13267—1991水质—物质对淡水鱼(斑马鱼)急性毒性测定方法[S].北京:国家质量监督检验检疫总局,2002National Environmental Protection Bureau of the Peo-ple’s Republic of China,GB/T13267-91.Water quality-Determination of the acute toxicity of sub-stance to a freshwater fish(Brachydanio rerio namil-ton-Buchanan)[S].Beijing:General Administra-tion of Quality Supervision,Inspection and Quaran-tine of the Peoples Republic of China,2002(in Chi-nese)
- [9]Ryan A C,Tomasso J R,Klaine S J.Influence of pH,hardness,dissolved organic carbon concentra-tion,and dissolved organic matter source on the acute toxicity of copper to Daphnia magna in soft waters:Implications for the biotic ligand model[J].Environ-mental Toxicology and Chemistry,2009,28(8):1663-1670
- [10]De Schamphelaere K A C,Janssen C R.A biotic lig-and model predicting acute copper toxicity for Daph-nia magna:The effects of calcium,magnesium,sodi-um,potassium and pH[J].Environmental Science&Technology,2002,36(1):48-54
- [11]US EPA.2007Updated Aquatic Life Copper Criteria[R/OL]http://water.epa.gov/scitech/swguidance/standards/criteria/aqlife/copper/2007_index.cfm
- [12]Dwane G C,Tipping E.Testing a humic speciation model by titration of copper-amended natural waters[J].Environment International,1998,24(5-6):609-616
- [13]Cabaniss S E,Shuman M S.Copper binding by dis-solved organic matter:II.Variation in type and source of organic matter[J].Geochimica et Cosmo-chimica Acta,1988,52(1):185-193
- [14]McKnight D M,Feder G,Thurman E M,et al.Complexation of copper by aquatic humic substances from different environments[J].Science of the Total Environment,1983,28(1-3):65-76
- [15]De Schamphelaere K A,Heijerick D G,Janssen C R.Refinement and field validation of a biotic ligand mod-el predicting acute copper toxicity to Daphnia magna[J].Comparative Biochemistry and Physiology Part C,2002,133(1-2):243-258