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Article

Heavy Metal Accumulation in Common Aquatic Plants in Rivers and Lakes in the Taihu Basin

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Tianjin Key Laboratory of Water Resources and Environment, Tianjin Normal University, Tianjin 300387, China
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School of Geographic and Environmental Sciences, Tianjin Normal University, Tianjin 300387, China
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The State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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School of Scientific Research, China University of Geosciences (Beijing), Beijing 100083, China
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Institute of Surface-Earth System Science, Tianjin University, Tianjin 300072, China
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The State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2018, 15(12), 2857; https://doi.org/10.3390/ijerph15122857
Received: 27 October 2018 / Revised: 5 December 2018 / Accepted: 11 December 2018 / Published: 14 December 2018
(This article belongs to the Section Environmental Science and Engineering)
We investigated the concentrations of 10 heavy metals in Potamogeton malaianus, Nymphoides peltata, Eichhornia crassipes, and Hydrilla verticillata to evaluate their potential to bioaccumulate heavy metals and related influencing factors in Taihu Lake. Enrichment factor (EF) values of Cu, Cr, Mn, Ni, Zn, Co, Pb, and V were above 2.0, indicating moderate to significant contamination in sediment. Most of Ti, V, Cr, Mn, and Ni in P. malaianus, E. crassipes, and H. verticillata and V in N. peltata were within excess/toxic level in plants, but higher than normal level. Even though no aquatic plants in this study were identified as a hyperaccumulator, relatively higher concentrations in aquatic plants were found in Taihu Lake than have been found in other previous studies. Heavy metal in submerged plants, especially in their stems, seemed to be more closely related to metals in water and sediment than those in floating-leaf plants. Ratios of metals in stem versus leaves in all plants ranged from 0.2 to 25.8, indicating various accumulation capabilities of plant organs. These findings contribute to the application of submerged aquatic plants to heavy metal removal from moderately contaminated lakes. View Full-Text
Keywords: aquatic plants; heavy metals; Taihu Lake; bioaccumulation capability aquatic plants; heavy metals; Taihu Lake; bioaccumulation capability
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MDPI and ACS Style

Bai, L.; Liu, X.-L.; Hu, J.; Li, J.; Wang, Z.-L.; Han, G.; Li, S.-L.; Liu, C.-Q. Heavy Metal Accumulation in Common Aquatic Plants in Rivers and Lakes in the Taihu Basin. Int. J. Environ. Res. Public Health 2018, 15, 2857. https://doi.org/10.3390/ijerph15122857

AMA Style

Bai L, Liu X-L, Hu J, Li J, Wang Z-L, Han G, Li S-L, Liu C-Q. Heavy Metal Accumulation in Common Aquatic Plants in Rivers and Lakes in the Taihu Basin. International Journal of Environmental Research and Public Health. 2018; 15(12):2857. https://doi.org/10.3390/ijerph15122857

Chicago/Turabian Style

Bai, Li, Xiao-Long Liu, Jian Hu, Jun Li, Zhong-Liang Wang, Guilin Han, Si-Liang Li, and Cong-Qiang Liu. 2018. "Heavy Metal Accumulation in Common Aquatic Plants in Rivers and Lakes in the Taihu Basin" International Journal of Environmental Research and Public Health 15, no. 12: 2857. https://doi.org/10.3390/ijerph15122857

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