Distributions of total mercury and methylmercury in surface sediments and fishes in Lake Shihwa, Korea. Oh, S.; Kim, M.; Yi, S.; and Zoh, K. The Science of the total environment, 408(5):1059-68, Elsevier B.V., 2, 2010.
Distributions of total mercury and methylmercury in surface sediments and fishes in Lake Shihwa, Korea. [link]Website  abstract   bibtex   
The concentrations of total mercury (THg) and methylmercury (MeHg) in the sediments of Lake Shihwa, an artificial salt lake in Korea located near two large industrial complexes, were determined to investigate the state of Hg contamination in the lake sediments and the effect of local Hg source. THg and MeHg concentrations in the sediments, monitored for 2 years, ranged from 0.02 to 0.28 microg g(-1) and
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 title = {Distributions of total mercury and methylmercury in surface sediments and fishes in Lake Shihwa, Korea.},
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 year = {2010},
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 keywords = {A0012,AS_FS_012,GBMS},
 pages = {1059-68},
 volume = {408},
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 month = {2},
 publisher = {Elsevier B.V.},
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 abstract = {The concentrations of total mercury (THg) and methylmercury (MeHg) in the sediments of Lake Shihwa, an artificial salt lake in Korea located near two large industrial complexes, were determined to investigate the state of Hg contamination in the lake sediments and the effect of local Hg source. THg and MeHg concentrations in the sediments, monitored for 2 years, ranged from 0.02 to 0.28 microg g(-1) and <or=0.026 to 0.67 ng g(-1), respectively. The overall distribution of Hg in lake sediments showed higher values near industrial complexes and in the central part of the lake. However, the correlations between Hg and environmental factors, such as organic material (OM) content, and acid volatile sulfide (AVS), were weak and did not clearly explain the variation in Hg distribution. The spatial distribution of sediment Hg and monthly precipitation data during the sampling period showed that the amount of runoff following rain events and water gate operation may be additional important factors regulating Hg level and distribution in lake sediments. The levels of THg in fish species in this lake ranged from 9.8 to 35 ng g(-1), suggesting that the bioavailability of sediment Hg in the lake may be low. Although the THg concentrations in Lake Shihwa sediment were lower than those in other foreign study sites, they were higher than in neighboring coastal regions, and are constantly increasing. This result indicates that the nearby industrial complexes may be the major source of Hg found in the sediments of Lake Shihwa.},
 bibtype = {article},
 author = {Oh, Sehee and Kim, Moon-Kyung and Yi, Seung-Muk and Zoh, Kyung-Duk},
 journal = {The Science of the total environment},
 number = {5}
}
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