对苯二酚对海洋底栖双壳类毛蚶和紫贻贝毒性效应研究

毛成责<sup>1; 2</sup>; 魏爱泓<sup>1; 2*</sup>等

引用本文:	毛成责，魏爱泓等.对苯二酚对海洋底栖双壳类毛蚶和紫贻贝毒性效应研究[J].环境监控与预警,2020,12(5):108-114
	MAO Cheng-ze, WEI Ai-hong,et al;.Toxic Effects of Hydroquinone on Marine Benthic Shellfish Scapharca subcrenata and Mytilus Edulis[J].Environmental Monitoring and Forewarning,2020,12(5):108-114

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对苯二酚对海洋底栖双壳类毛蚶和紫贻贝毒性效应研究
毛成责，魏爱泓等^1,2
1.江苏省环境监测中心，江苏省海洋环境监测预报中心，江苏南京 210019;2.江苏省海涂研究中心,江苏南京 210036

摘要:

通过对中国近岸常见底栖双壳类毛蚶（Scapharca subcrenata）、紫贻贝（Mytilus edulis）急性和慢性毒性试验，运用Log-logistic模型及Weibull毒性效应阈值模型计算对苯二酚对2种受试生物的半致死效应浓度（LC₅₀）、非检测效应浓度（NDEC)及无观测效应浓度（NOEC）；分析慢性毒性试验对受试生物体质量、体长及消化腺超氧化物歧化酶（SOD）活性的影响。结果显示，对苯二酚对毛蚶、紫贻贝的LC₅₀分别为34.10和66.50 mg/L，NDEC分别为0.36和0.50 mg/L，NOEC分别为0.40和0.60 mg/L。慢性试验周期内受试生物体质量、体长的组内与组间差异不显著（P>0.1）；SOD酶活性仅在个别时间段对照组和处理组间存在显著差异（P<0.05）。

关键词: 对苯二酚毛蚶贻贝毒性效应中国近岸

DOI：

分类号:X503.225；X55

文献标识码:B

基金项目:国家重点研发计划重点专项基金资助项目（2016YFC1402405）；生态环境部“水生生物监测体系研究”基金资助项目；江苏省环境监测科研基金资助项目（1615）

Toxic Effects of Hydroquinone on Marine Benthic Shellfish Scapharca subcrenata and Mytilus Edulis

MAO Cheng-ze, WEI Ai-hong,et al;^1,2

1.Jiangsu Provincial Environmental Monitoring Center,Jiangsu Marine Environment Monitoring and Forecasting Center, Nanjing, Jiangsu 210019 China;2. Jiangsu Tidal Flat Research Center, Nanjing, Jiangsu 210036, China

Abstract:

Typical chinese coastal benthic bivalve Scapharca subcrenata and Mytilus edulis were selected to carry out acute and chronic toxicity tests of hydroquinone. Log logistic and Weibull model were applied to determined the lethal concentration 50(LC₅₀), no detected effect concentration (NDEC) and no observed effect concentration(NOEC). Toxic effects of hydroquinone on the body mass, body length and digestive gland superoxide dismutase (SOD) of the 2 tested organism were detected and analyzed. The results showed that LC₅₀ of hydroquinone to Scapharcasubcrenata ,and Mytilusedulis were 34.10 and 66.50 mg/L, NDEC 0.36 and 0.50 mg/L, NOEC 0.40 and 0.60 mg/L, respectively. Result of the chronic toxicity tests showed that differences between groups and within groups of body mass and body length were not significant(P>0.1), activity of superoxide dismutase showed significant difference between grouops in certain period(P＜0.05).

Key words: Hydroquinone, Scapharca subcrenata, Mytilus edulis, Toxic effect, Chinese offshore area