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[1]李磊,蒋玫,王云龙,等.0#柴油和原油水溶性成分在黑鲷(Sparus macrocephlus)体内的富集动力学[J].应用与环境生物学报,2014,20(02):286-290.[doi:10.3724/SP.J.1145.2014.00286]
 LI Lei,JIANG Mei,WANG Yunlong,et al.Accumulation kinetics of water accommodated fraction in No.0 fuel oil and Pinghu crude oil in Sparus macrocephlus[J].Chinese Journal of Applied & Environmental Biology,2014,20(02):286-290.[doi:10.3724/SP.J.1145.2014.00286]
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0#柴油和原油水溶性成分在黑鲷(Sparus macrocephlus)体内的富集动力学()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
20卷
期数:
2014年02期
页码:
286-290
栏目:
研究论文
出版日期:
2014-04-25

文章信息/Info

Title:
Accumulation kinetics of water accommodated fraction in No.0 fuel oil and Pinghu crude oil in Sparus macrocephlus
作者:
李磊蒋玫王云龙吴庆元牛俊翔许高鹏沈新强
1中国水产科学研究院东海水产研究所 上海 200090 2上海海洋大学海洋科学学院 上海 201306
Author(s):
LI Lei JIANG Mei WANG Yunlong WU Qingyuan NIU Junxiang XU Gaopeng SHEN Xinqiang
1East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China 2College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
关键词:
黑鲷0#柴油平湖原油生物富集
Keywords:
Sparus macrocephlus No.0 fuel oil Pinghu crude oil accumulation
分类号:
X174 : X55
DOI:
10.3724/SP.J.1145.2014.00286
文献标志码:
A
摘要:
石油是海洋环境中的一类重要污染物,为探索石油烃在海洋生物体内的生物富集动力学特征,应用半静态双箱动力学模型在室内模拟了黑鲷(Sparus macrocephlus)对0#柴油和东海平湖原油水溶性成分(Water accommodated fraction,WAF)的生物富集实验,通过对富集与释放过程中黑鲷体内石油烃的动态检测以及对检测结果的非线性曲线拟合,获得黑鲷对0#柴油、原油WAF的吸收速率常数k1、释放速率常数k2、生物富集因子BCF、平衡状态下黑鲷体内石油烃含量CAmax和生物学半衰期B1/2等动力学参数. 拟合结果得到的各动力学参数分别为:黑鲷对0#柴油WAF的吸收速率常数k1范围为3.46-4.87、k2为0.047 6-0.070 8、BCF为48.79-102.30、CAmax为1.53-2.93 mg/kg、B1/2为9.79-14.57 d;黑鲷对原油WAF的吸收速率常数k1范围为2.12-5.75、k2为0.036 3-0.050 5、BCF为58.35-147.21、CAmax为4.01-7.00 mg/kg、B1/2为13.71-19.08 d. 黑鲷对0#柴油、原油WAF的吸收速率常数k1、BCF均随外部水体中石油烃浓度的增大而减少,对0#柴油和原油WAF的释放速率常数k2与外部水体中石油烃浓度无明显相关性,CAmax整体随外部水体中石油烃浓度的增大而增大. 对模型的拟合优度检验结果显示,模型的拟合优度良好. 研究表明,0#柴油在黑鲷体内的富集量低于原油WAF、释放量略高于原油WAF,不同种类石油的烃类组分可能是主要控制因子之一.
Abstract:
Petroleum hydrocarbon is one of the most important pollutants in the marine environment. This study aimed to understand the bioaccumulation characteristic of water accommodated fraction (WAF) in No.0 fuel oil and Pinghu crude oil in Sparus macrocephlus. The kinetic parameters of No.0 fuel oil and Pinghu crude oil WAF in the process of accumulation and elimination in S. macrocephlus were investigated using the semi-static two-compartment kinetic model. The kinetic parameters of accumulation were obtained from the semi-static two-compartment model by nonlinear curve fitting, including uptake rate constant (k1), elimination rate constant (k2), accumulation factor (BCF), and biological half-life (B1/2). The modeling results showed the range of k1 as 3.46-4.87, k2 as 0.047 6-0.070 8, BCF as 48.79-102.30, CAmax as 1.53-2.93 mg/kg, and B1/2 as 9.79-14.57 days of No.0 fuel oil in S. macrocephlus; while for the accumulation of Pinghu crude oil in S. macrocephlus, the range of k1 was 2.12-5.75, k2 0.036 3-0.050 5, BCF 58.35-147.21, CAmax 4.01-7.00 mg/kg, and B1/2 13.71-19.08 days. It was found that the uptake rate constant (k1) and accumulation factor (BCF) of S. macrocephlus generally decreased with the increase of petroleum hydrocarbons exposure concentration, but not significantly related with the concentration in ambient seawater. On the contrary, the CAmax increased with the increase of petroleum hydrocarbons exposure concentration in ambient seawater. The results of goodness-of-fit test also indicated that the concentration of petroleum hydrocarbons was fitted to the two-compartment model. The concentration of No.0 fuel oil was lower than Pinghu crude oil in S. macrocephlus during the process of the test, which may be attributable to the different components of petroleum hydrocarbons.

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备注/Memo

备注/Memo:
农业部应对溢油关键技术专项(2012-2014)、中国水产科学研究院基本科研业务费(2014A02XK01)和中央级公益性科研院所基本科研业务费专项(2014T06)资助
更新日期/Last Update: 2014-05-04