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논문 기본 정보

자료유형
학술저널
저자정보
Seonghwan Park (Korea Institute of Toxicology) Sangjun Lee (Korea Institute of Toxicology) Dong-Hyuk Yeom (Korea Institute of Toxicology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제30권 제4호
발행연도
2025.8
수록면
50 - 66 (17page)

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초록· 키워드

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Benzene, a toxic hydrocarbon, poses a significant threat to aquatic ecosystems, but the impact of accidental spills on aquatic organisms remains underexplored. This study simulates short-term benzene exposure in an artificial stream, evaluating its effects on aquatic species from different trophic levels, including periphytic algae, invertebrates (Moina macrocopa, Glyptotendipes tokunagai, Limnodrilus hoffmeisteri), and fish (Zacco platypus, Aphyocypris chinensis). Benzene concentrations of 150, 330, and 726 mg/L were introduced for 4 h to assess the biological responses of these species and their potential as sentinel species. Z. platypus exhibited the highest sensitivity, with significant mortality during benzene exposure, suggesting its potential as an early sentinel species. During post-exposure period, M. macrocopa exhibited reduced survival and fecundity, though reproductive recovery was observed over time. G. tokunagai populations also declined at high benzene levels. In contrast, periphytic algae, L. hoffmeisteri, A. chinensis, and fish growth were largely unaffected. These findings highlight the varying susceptibility of aquatic species to benzene exposure and suggest that Z. platypus, M. macrocopa, and G. tokunagai may be valuable for monitoring both immediate and delayed toxic effects in aquatic environments following benzene spills.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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