Sediment toxicity of industrialized coastal areas of Korea using bioluminescent marine bacteria
- Authors
- Choi, Minkyu; Kim, Seong-Gil; Yoon, Sang-Pil; Jung, Rae-Hong; Moon, Hyo-Bang; Yu, Jun; Choi, Hee-Gu
- Issue Date
- Sep-2010
- Publisher
- Korean Fisheries Society
- Keywords
- Nonylphenol; Sediments; Sulfide; Trace metals; Vibrio fischeri
- Citation
- Fisheries and Aquatic Sciences, v.13, no.3, pp.244 - 253
- Indexed
- SCOPUS
KCI
- Journal Title
- Fisheries and Aquatic Sciences
- Volume
- 13
- Number
- 3
- Start Page
- 244
- End Page
- 253
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40409
- DOI
- 10.5657/fas.2010.13.3.244
- ISSN
- 1226-9204
- Abstract
- The quality of marine sediments from the industrialized coastal areas of Korea (Ulsan Bay, Masan Bay, and artificial Lake Shihwa) was investigated using a bacterial bioluminescence toxicity test. Sediment toxicity results were compared with the levels of chemical contamination (trace metals, organic wastewater markers, acid volatile sulfides, total organic carbon). Effective concentration 50% (EC50) of sediments ranged from 0.014 to 1.126 mg/mL, which is comparable to or lower than values in contaminated lakes, rivers, and marine sediments of other countries. Sediment reference index (SRI) ranged from 13 to 1044, based on the EC50 of the negative control sample. Mean average SRI values in Masan Bay and Lake Shihwa were approximately 8 and 9 times as high as that in Ulsan Bay, indicating higher sediment toxicity and greater contamination in the two former regions. Sediment toxicity were strongly associated with the concentrations of some chemicals, suggesting that this test may be useful for determining potential chemical contamination in sediments.
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