한빛사 논문
부산대학교, 국립수산과학원
Abstract
Garam Leea,b,1, Zhaxi Suonana,1, Seung Hyeon Kima, Dong-Woon Hwangb, Kun-Seop Leea,*
a Department of Biological Sciences, Pusan National University, Busan 46241, Republic of Korea
b Marine Environment Research Division, National Institute of Fisheries Science, Busan 46083, Republic of Korea
*Corresponding author : Kun-Seop Lee
1These authors contributed equally to this work.
Abstract
Although seagrasses can incorporate heavy metals from the marine environment, few studies have been conducted on heavy metal uptake and phytoremediation potential by seagrass transplants in the heavy metal contaminated sediments. Zostera marina shoots were transplanted in two polluted bay systems on Korean coasts to evaluate the heavy metal contaminations in sediments and the possibility of using Z. marina transplants as a bioindicator and phytoremediation agent. The major concentrated metals in sediments were As, Cu, Fe, and Pb in Jaran Bay, and Cd, Co, Zn, and Hg in Onsan Bay. The Co, Zn, Pb, and Hg concentrations in Z. marina tissues reflected the sediment heavy metal concentrations, and thus the tissue heavy metal concentrations may be used as bio-indicators of the metal contaminations. Since Z. marina transplants accumulated a great amount of heavy metals in their tissues, they may have the phytoremediation potential for the heavy metal contaminated sediments.
Keywords : Bioremediation; Bio-indicator; Heavy metal contaminant; Korean coast; Seagrass transplant; Zostera marina
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