Toxicity of environmentally important micropollutants on three trophic levels

IF 1.4 Q3 MARINE & FRESHWATER BIOLOGY International Aquatic Research Pub Date : 2022-01-01 DOI:10.3153/ar22003
Hilal Yılmaz, G. Avaz, Ü. Yetiş, M. Özkan
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Abstract

Micropollution is a serious environmental problem caused by continuous entry of trace quantities of toxic chemical substances into the aquatic environment. In the present study, three trophic levels of the aquatic ecosystems were used to evaluate the acute toxicities of environmentally important micropollutants including heavy metals, pesticides and drugs. There is a scarcity of information on toxicity of the studied substances on marine water algae. Among studied micropollutants, the most toxic chemical to Daphnia magna and Danio rerio was found to be 1-Chloro-2,4 dinitrobenzene with EC50 of 0.002 and 4.2 mg/L, respectively. Although this compound was also toxic to marine algae, Phaeodactylum tricornutum, arsenic showed the highest toxicity to the algae with EC50 of 2.4 mg/L. As compared to other organisms, D. magna was found to have higher sensitivity to all of the tested micropollutants.
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对环境有重要意义的微污染物在三个营养水平上的毒性
微污染是由于微量有毒化学物质持续进入水生环境而引起的严重环境问题。本研究采用水体生态系统的3个营养水平,对重金属、农药和药物等环境重要微污染物的急性毒性进行了评价。关于所研究物质对海水藻类的毒性的资料很少。在所研究的微污染物中,对大水蚤和小水蚤毒性最大的化学物质是1-氯-2,4二硝基苯,EC50分别为0.002和4.2 mg/L。虽然该化合物对三角褐指藻也有毒性,但砷对海藻的毒性最高,EC50为2.4 mg/L。与其他生物相比,D. magna对所有被测微污染物都具有更高的敏感性。
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来源期刊
International Aquatic Research
International Aquatic Research MARINE & FRESHWATER BIOLOGY-
CiteScore
2.40
自引率
7.70%
发文量
0
审稿时长
12 weeks
期刊介绍: The journal (IAR) is an international journal that publishes original research articles, short communications, and review articles in a broad range of areas relevant to all aspects of aquatic sciences (freshwater and marine). The Journal specifically strives to increase the knowledge of most aspects of applied researches in both cultivated and wild aquatic animals in the world. The journal is fully sponsored, which means it is free of charge for authors. The journal operates a single-blind peer review process. The main research areas in aquatic sciences include: -Aquaculture- Ecology- Food science and technology- Molecular biology- Nutrition- Physiology- Water quality- Climate Change
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