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Effects of surrounding land use on metal accumulation in environments and submerged plants in subtropical ponds
Liu H.; Bu, H. M.; Liu, G. H.; Wang, Z. X.; Liu, W. Z.
Source PublicationEnvironmental Science and Pollution Research
2015
Volume22
Issue23
Pages18750-18758
KeywordAquatic plants Bioaccumulation Heavy metals Lightmetals Sediments stormwater treatment ponds heavy-metals aquatic macrophytes water-quality yangtze-river china sediments lakes contamination pollution
AbstractPonds are widely used as stormwater treatment facilities to retain contaminants, including metals, and to improve water quality throughout the world. However, there is still a limited understanding of the effects of surrounding land use on metal accumulation in pond environments and organisms. To address this gap, we measured the concentrations of nine metals (i.e., Al, Ba, Ca, K, Li, Mg, Na, Se, and Sr) in water, sediments, and submerged plants collected from 37 ponds with different surrounding land uses in southwestern China and assessed the metal accumulation capacity of four dominant submerged plant species. Our results showed that Al, Ca, and K concentrations in the water were above drinking water standards. In the sediments, the average concentrations of Ca and Sr were higher than the corresponding soil background values. Ceratophyllum demersum L. could accumulate more K in aboveground biomass than Myriophyllum spicatum L. and Potamogeton maackianus A. Benn. The K concentration in submerged plants was positively influenced by the corresponding metal concentration in the water and negatively influenced by water temperature. Among the nine studied metals, only the water K concentration in ponds receiving agricultural runoff was significantly higher than that for ponds receiving urban and forested runoff. This result suggests that surrounding land use types have no significant effect on metal accumulation in sediments and submerged plants in the studied ponds. A large percentage of the metals in these ponds may be derived from natural sources such as the weathering of rocks.
Indexed BySCI
Language英语
ISSN0944-1344
DOI10.1007/s11356-015-5067-5
Citation statistics
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/43550
Collection历年回溯文献
Recommended Citation
GB/T 7714
Liu H.,Bu, H. M.,Liu, G. H.,et al. Effects of surrounding land use on metal accumulation in environments and submerged plants in subtropical ponds. 2015.
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