六种代表性多环芳香族化合物对五种海洋试验种的毒性

IF 8 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Science of the Total Environment Pub Date : 2025-06-02 DOI:10.1016/j.scitotenv.2025.179574

Benjamin P. de Jourdan , David L. Daniel , Piero R. Gardinali , Cesar Ramirez , Chris J. Langdon , Emily Stefansson , Thomas F. Parkerton , William A. Stubblefield

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引用次数: 0

摘要

单一多芳香族化合物（pac）的毒性数据需要建立模型来预测石油泄漏和碳氢化合物的环境释放对水生生物的影响。为了支持这一目标，六种具有代表性的聚苯二甲酸乙酯的毒性：萘、二苯并噻吩、菲、芘、芴和甲苯；对紫海胆（strongylocentrrotus purpuratus）、地中海贻贝（Mytilus galloprovincialis）、米氏虾（Americamysis bahia）、内陆银鱼（Menidia beryllina）和羊头鲦鱼（Cyprinodon variegatus） 5种海洋试验种进行了调查。急性和慢性毒性试验是根据测量的每一种聚丙烯酸酯的暴露浓度来表示的。结果表明，暴露浓度不足以对所研究的可溶性较低的聚丙烯酸酯产生慢性影响。急性毒性实验结果采用靶脂质模型（TLM）建立了物种特异性定量效应模型。壳虾是最敏感的物种。在表现出毒性的PACs中，使用慢性数据得出的mysid和silversides的急性-慢性比率为1.2至3.4。将测量的慢性毒性数据与TLM衍生的危害浓度（hc5）进行比较，这些危害浓度（hc5）是使用海洋生物的急性毒性数据和急性与慢性比率得出的，表明TLM具有保护作用。这些结果为TLM在海洋生物危害评价中的应用提供了技术基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Toxicity of six representative polycyclic aromatic compounds in five marine test species

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Toxicity of six representative polycyclic aromatic compounds in five marine test species

Toxicity data for single polyaromatic compounds (PACs) are needed to develop models to predict impacts to aquatic life resulting from oil spills and environmental releases of hydrocarbons. To support this objective, the toxicity of six representative PACs: naphthalene, dibenzothiophene, phenanthrene, pyrene, floranthrene and chrysene; were investigated in five marine test species: Purple sea urchins (Strongylocentrotus purpuratus), Mediterranean mussel (Mytilus galloprovincialis), Mysid shrimp (Americamysis bahia), Inland silversides (Menidia beryllina) and Sheepshead minnow (Cyprinodon variegatus). Acute and chronic toxicity tests were expressed based on measured exposure concentrations of each PAC. Results indicated that exposure concentrations were not sufficiently high to produce chronic effects for the less soluble PACs investigated. Acute toxicity results were used to develop species-specific quantitative effect models using the target lipid model (TLM). Mysid shrimp were the most sensitive species investigated. Acute-to-chronic ratios derived using chronic data for mysids and silversides ranged from 1.2 to 3.4 across the PACs that exhibited toxicity. A comparison of measured chronic toxicity data to TLM-derived Hazard Concentrations (HC5s) derived using acute toxicity data for marine organisms and acute to chronic ratios indicated the protectiveness of the TLM. These results support the technical basis of applying the TLM in marine life hazard assessment.

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来源期刊

Science of the Total Environment 环境科学-环境科学

CiteScore

17.60

自引率

10.20%

发文量

8726

审稿时长

2.4 months

期刊介绍： The Science of the Total Environment is an international journal dedicated to scientific research on the environment and its interaction with humanity. It covers a wide range of disciplines and seeks to publish innovative, hypothesis-driven, and impactful research that explores the entire environment, including the atmosphere, lithosphere, hydrosphere, biosphere, and anthroposphere. The journal's updated Aims & Scope emphasizes the importance of interdisciplinary environmental research with broad impact. Priority is given to studies that advance fundamental understanding and explore the interconnectedness of multiple environmental spheres. Field studies are preferred, while laboratory experiments must demonstrate significant methodological advancements or mechanistic insights with direct relevance to the environment.