独流减河湿地沉积物中多环芳烃生态风险评价
Ecological risk assessment of polycyclic aromatic hydrocarbons in sediments of Duliujian River wetland
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摘要: 利用气相色谱-质谱法（GC/MS）检测了独流减河湿地29个表层沉积物样品中的16种多环芳烃（PAHs），在此基础上运用商值法和安全浓度阈值法对独流减河湿地开展了生态风险评价.结果表明，独流减河湿地表层沉积物中PAHs含量范围是36.4-870 ng·g-1，其污染程度在国内处于较低水平.商值法评价结果显示部分3环和5环以上的PAHs存在潜在生态风险，而安全浓度阈值法评价中则未发现表层沉积物中PAHs有显著生态风险.商值法的评价结果更加保守，但两种方法均显示3-4环PAHs是影响湿地生态风险的主要PAHs类型.商值法在当前条件下更适用于独流减河湿地生态风险评价工作.数据时效性、参数选取的主观性、急慢性比例（ACR）的取值是本研究主要的不确定性来源.Abstract: In this study, gas chromatography-mass spectrometry (GC/MS) was selected to detect 16 polycyclic aromatic hydrocarbons(PAHs) in 29 surface sediment samples from the Duliujian River wetland, and the ecological risk was assessed by the quotient method and the safe concentration threshold method. Results showned that the concentration of PAHs in the surface sediments was 36.4-870 ng·g-1, and the pollution level was lower compared to the other areas in China. In addition, the results of quotient method showed that there were potential ecological risks in some PAHs contain 3 and 5 rings, but the results of safe concentration threshold method showed that there were no significant ecological risks in PAHs. The results of quotient method were more conservative, but both methods showed that some PAHs contain 3-4 rings were the main PAHs that affect the ecological risk. Under current conditions, the quotient method was more suitable for the ecological risk assessment in sediments of Duliujian River wetland. The timeliness of data, the subjectivity of parameter selection, and the value of acute and chronic ratio(ACR) were the main sources of uncertainty in this study.
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[1] MARTIN K, WOLFGANG W. Predicting soil-water partitioning of polycyclic aromatic hydrocarbons and polychlorinated biphenyls by desorption with methanol-water mixtures at different temperatures[J]. Environmental Science & Technology, 2001, 35:2319-2325. [2] KANNAN K, JOHNSON-RESTREPO B, YOHN S S, et al. Spatial and temporal distribution of polycyclic aromatic hydrocarbons in sediments from Michigan inland lakes[J]. Environmental Science & Technology, 2005,39(13):4700-4706. [3] 周怀东,赵健,陆瑾,等. 白洋淀湿地表层沉积物多环芳烃的分布、来源及生态风险评价[J]. 生态毒理学报,2008,3(3):291-299. ZHOU H D, ZHAO J, LU J, et al. Distribution, sources and ecological risk assessment of polycyclic aromatic hydrocarbons in sediments from Baiyangdian Wetland[J]. Asian Journal of Ecotoxicology, 2008,3(3):291-299(in Chinese).
[4] 吴艳阳,吴群河,罗昊,等. 沉积物中多环芳烃的生态风险评价法研究[J]. 环境科学学报,2013,33(2):544-556. WU Y Y, WU Q H, LUO H, et al. Ecological risk assessment for polycyclic aromatic hydrocarbons in river sediment[J]. Acta Scientiae Circumstantiae, 2013, 33(2):544-556(in Chinese).
[5] 陈燕燕,尹颖,王晓蓉,等. 太湖表层沉积物中PAHs和PCBs的分布及风险评价[J]. 中国环境科学,2009,29(2):118-124. CHEN Y Y, YIN Y, WANG X R, et al. Polycyclic aromatic hydrocarbons and polychlorinated biphenyl in surface sediments of Taihu Lak:The distribution sources and risk assessment[J]. China Environmental Science, 2009, 29(2):118-124(in Chinese).
[6] YANG Z, WANG L, NIU J, et al. Pollution assessment and source identifications of polycyclic aromatic hydrocarbons in sediments of the Yellow River Delta, a newly born wetland in China[J]. Environmental Monitoring and Assessment, 2009, 158:561-571. [7] DARILMAZ E, KONTAS A, ULUTURHAN E, et al. Spatial variations in polycyclic aromatic hydrocarbons concentrations at surface sediments from the Cyprus (Eastern Mediterranean):Relation to ecological risk assessment[J]. Marine Pollution Bulletin, 2013, 75:174-181. [8] 吕金刚,毕春娟,陈振楼,等. 上海市崇明岛农田土壤中多环芳烃和生态风险评价[J]. 环境科学,2012,33(12):4270-4275. LV J G, BI C J, CHEN Z L, et al. Distribution and ecological risk assessment of polycyclic aromatic hydrocarbons in agricultural soil of the Chongming Island in Shanghai[J]. Environmental Science, 2012,33(12):4270-4275(in Chinese).
[9] 阳宇翔,刘昕宇,詹志薇,等. 粤桂水源地有机氯农药污染特征及生态风险[J]. 环境科学,2016,37(6):2131-2140. YANG Y X, LIU X Y, ZHAN Z W, et al. Pollution characteristics and ecological risk assessment of organochlorine pesticides in water source areas of Guangdong and Guangxi[J]. Environmental Science, 2016, 37(6):2131-2140(in Chinese).
[10] 李斌,解启来,刘昕宇,等. 流溪河水体多环芳烃的污染特征及其对淡水生物的生态风险[J]. 农业环境科学学报,2014,33(2):367-374. LI B, XIE Q L, LIU X Y, et al. Pollution and ecological risk assessment of polycyclic aromatic hydrocarbons by species sensitivity distributions in the Liuxi River, South China[J]. Journal of Agro-Environment Science, 2014, 33(2):367-374(in Chinese).
[11] 汤嘉俊,刘昕宇,詹志薇,等. 流溪河水体有机氯农药的生态风险评价[J]. 环境科学学报,2014,34(10):2709-2717. TANG J J, LIU X Y, ZHAN Z W, et al. Ecological risk assessment of organochlorine pesticides OCPs in water of Liuxi River[J]. Acta Scientiae Circumstantiae, 2014, 34(10):2709-2717(in Chinese).
[12] 智昕,牛军峰,唐阵武,等. 长江水系武汉段典型有机氯农药的生态风险评价[J]. 环境科学学报,2008,28(1):168-173. ZHI X, NIU J F, TANG Z W, et al. Ecological risk assessment of typical organochlorine pesticides in water from the Wuhan reaches of the Yangtze River[J]. Acta Scientiae Circumstantiae, 2008, 28(1):168-173(in Chinese).
[13] 蒋丹烈,胡霞林,尹大强. 应用物种敏感性分布法对太湖沉积物中多环芳烃的生态风险分析[J]. 生态毒理学报,2011,6(1):60-66. JIANG D L, HU X L, YIN D Q. Ecological risk aeeseement on polycyclic aromatic hydrocarbons of sediment in Taihu Lake using species sensitivity distributions[J]. Asian Journal of Ecotoxicology, 2011, 6(1):60-66(in Chinese).
[14] 王连生. 有机污染化学[M]. 北京:高等教育出版社,2004:61. WANG L S. Organic pollution chemistry[M]. Beijing:Higher Education Press, 2004:61(in Chinese). [15] NEWMAN M, OWNBY D, MEZIN L, et al. Applying species-sensitivity distributions in ecological risk assessment:Assumptions of distribution type and sufficient numbers of species[J]. Environmental Toxicology and Chemistry, 2000, 19(2):508-515. [16] PENNINGTON D W. Extrapolating ecotoxicological measures from small data sets[J]. Ecotoxicology and Environmental Safety, 2003, 56:238-250. [17] LÄNGE R, HUTCHINSON T H, SCHOLZ N, et al. Analysis of the ECETOC aquatic toxicity (EAT) database Ⅱ-comparison of acute to chronic ratios for various aquatic organisms and chemical substances[J]. Chemosphere,1998,36(1):115-127. [18] HEGER W, JUNG S J, MARTIN S, et al. Acute and prolonged toxicity to aquatic organisms of new and existing chemicals and pesticides[J]. Chemosphere, 1995, 31(2):2707-2726. [19] LONG E R, FIELD L J, MACDONALD D D. Predicting toxicity in marine sediments with numerical sediment quality guidelines[J]. Enviromental Toxicology and Chemistry, 1998, 17(4):714-727. [20] LONG E R, MACDONALD D D, SMITH S L, et al. Incidence of adverse biological effects within ranges of chemical concentrations in marine and estuarine sediments[J]. Environmental Management, 1995, 19(1):81-97. [21] WEINSTEIN J E, CRAWFORD K D, GARNER T R, et al. Screening-level ecological and human health risk assessment of polycyclic aromatic hydrocarbons in stormwater detention pond sediments of Coastal South Carolina, USA[J]. Journal of Hazardous Materials, 2010, 178(1/3):906-916. [22] 黄国培,陈颖军,林田,等. 渤海湾潮间带表层沉积物中多环芳烃的含量分布和生态风险[J]. 中国环境科学,2011,31(11):1856-1863. HUANG G P,CHEN Y J,LIN T,et al. The distribution and ecological risk of polycyclic aromatic hydrocarbons of surface sediments in the intertidal zone of Bohai Bay, China[J]. China Environmental Science, 2011,31(11):1856-1863(in Chinese).
[23] 程远梅,祝凌燕,田胜艳,等. 海河及渤海表层沉积物中多环芳烃的分布与来源[J]. 环境科学学报,2009,29(11):2420-2426. CHENG Y M,ZHU L Y, TIAN S Y, et al. Distribution and sources of polycyclic aromatic hydrocarbons in surface sediments from the Haihe River and the Bohai Sea[J]. Acta Scientiae Circumstantiae, 2009,29(11):2420-2426(in Chinese).
[24] 张玉凤,宋永刚,刘传涛,等. 基于统计方法的辽东湾沉积物中多环芳烃来源特征分析[J]. 生态毒理学报,2017,12(3):611-619. ZHANG Y F,SONG Y G, LIU C T, et al. Source indentification of polycyclic aromatic hydrocarbon of surface sediments from Liaodong Bay based on statistical analysis[J]. Asian Journal of Ecotoxicology, 2017,12(3):611-619(in Chinese).
[25] 许静,任明忠,杜国勇,等. 北江表层沉积物中多环芳烃的分布与风险评价[J]. 环境科学,2009,30(11):3270-3275. XU J, REN M Z, DU G Y, et al. Content analysis and assessment of polycyclic aromatic hydrocarbons in surface sediments from Beijiang River, China[J]. Environmental Science, 2009,30(11):3270-3275(in Chinese).
[26] CUI S, FU Q, LI T, et al. Sediment-water exchange, spatial variations, and ecological risk assessment of polycyclic aromatic hydrocarbons (PAHs) in the Songhua River, China[J]. Water, 2016, 8(8):334-346. [27] LIU A, LANG Y, XUE L, et al. Probabilistic ecological risk assessment and source apportionment of polycyclic aromatic hydrocarbons in surface sediments from Yellow Sea[J]. Bulletin of Environmental Contamination and Toxicology, 2009, 83:681-687. [28] 雷炳莉,黄圣彪,王子健. 生态风险评价理论和方法[J]. 化学进展,2009,21,(2/3):350 -358. LEI B L, HUANG S B, WANG Z J. Theories and methods of ecological risk assessment[J]. Progress in Chemistry, 2009,21(2/3):350-358(in Chinese).
[29] [30] ROEX E W, VAN GESTEL C A, VAN WEZEL A P, et al. Ratios between acute aquatic toxicity and effects on population growth rates in relation to toxicant mode of action[J]. Environmental Toxicology and Chemistry, 2000, 19(3):685-693. -
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