소독살균제 기인 화학물질의 수생태계 내 생물 전이 특성 연구Trophic Transfer of Disinfectant Chemical in Aquatic Ecosystem
- Other Titles
- Trophic Transfer of Disinfectant Chemical in Aquatic Ecosystem
- Authors
- 조하은; 김도균; 원은지; 조형욱; 안광국; 신경훈
- Issue Date
- Dec-2022
- Publisher
- 한국하천호수학회
- Keywords
- household chemical product; disinfectants; nitrogen isotope; TMF
- Citation
- 생태와 환경, v.55, no.4, pp 376 - 389
- Pages
- 14
- Indexed
- KCI
- Journal Title
- 생태와 환경
- Volume
- 55
- Number
- 4
- Start Page
- 376
- End Page
- 389
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/112453
- DOI
- 10.11614/KSL.2022.55.4.000
- ISSN
- 2288-1115
2288-1123
- Abstract
- Despite the consumption of disinfectants have been increased by COVID-19 pandemic, the fate of the chemicals in aquatic food webs are still unclear. In order to understand the trophic transfer of the chemicals, the concentration of disinfectants including six benzalkonium chloride (BACs) and five didecyldimethylammonium chlorides(DDACs) were measured at the Geum (2020), Han (2021), and Yeongsan River (2021), before and after rainfall. The highest concentration of ∑BACs (mainly C12 and C14) and ∑DDACs (mainly C10 and C14) were observed in the Han River, followed by Yeongsan River, Geum River Estuary, and Gapcheon. After rainfalls, both concentration and detection frequency were decreased in all sites. Although the BAC and DDAC seems to be accumulated in organisms, they were bio-diluted rather than magnified in the aquatic food web with the biomagnification factor(BMF) of less than 1, trophic magnification slope (TMS) from -0.236 to 0.001, and trophic magnification factor(TMF) from 0.85 to 1.01.
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