Wetland plants as indicators of heavy metal contamination

Phillips, Dean; Human, L.R.D.; Adams, Janine B.

doi:10.1016/j.marpolbul.2014.12.038

Cited by 93 publications

(48 citation statements)

References 22 publications

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“…The metal distribution pattern among the plant organs was observed and found to be, in decreasing order, root > rhizome > leaves > stems, as reported for other wetland plants species in heavy–metal‐impacted estuaries ( Phragmites australis, Typha capensis , and Spartina maritima ) and coasts ( Cymodocea nodosa ) by Phillips et al . and Bonanno et al . .…”

Section: Discussionmentioning

confidence: 89%

“…These results show that the physical and chemical characteristics do not prevent the translocation of heavy metals and As to plants growing in sediments with high concentrations of contaminants. Additionally, the compartmentalization strategies are common in wetland plant species, and basically, the main objective is to store high concentrations of heavy metals in the underground organs (roots and rhizomes) as a defense mechanism to protect the plant against the toxic effects of those heavy metals on photosynthesis .…”

Section: Discussionmentioning

confidence: 99%

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Heavy metals and arsenic phytoavailability index in pioneer plants from a semipermanent natural wetland

Gómez-Bernal

Ruíz-Huerta

Armienta

et al. 2017

Env Prog and Sustain Energy

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The total concentration of Pb, Zn, Cu, Fe, Mn, and As in mining‐impacted soils and pioneer plants from a semi‐permanent natural wetland was determined by X‐ray fluorescence. Results showed that the maximum values in soil were Fe > Zn > Pb > Mn > As > Cu and in plants were Zn > Pb > As > Cu, and Mn and Fe were found in variable concentrations. Bouteloa repens showed the highest translocation factor (TF) for all heavy metals, and the highest phytoavailability index (PI) for Fe, Cu, As, and Mn. However, Typha dominguensis was the plant species with the most elevated bioconcentration factor (BCF) for Mn and Fe and PI for Pb and Zn, while Cyperus manimae showed the maximum BCF for As, Pb, and Cu, and the highest PI for Mn. For Eleocharis ovata the maximum BCF and PI were for Zn and As, respectively. The PI indicates the availability of heavy metals and As in the environment and their bioaccumulation in plants. The plant species reported in this study are pioneer plants that can easily become established due to their environmental resilience and physiologic characteristics. This study shows that B. repens and T. dominguensis are species that translocate heavy metals and accumulate them in their various organs, and therefore, these plants are suggested as good candidates for phytostabilization in similar semi‐permanent natural wetlands. © 2017 American Institute of Chemical Engineers Environ Prog, 37: 980–988, 2018

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Section: Discussionmentioning

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Heavy metals and arsenic phytoavailability index in pioneer plants from a semipermanent natural wetland

Gómez-Bernal

Ruíz-Huerta

Armienta

et al. 2017

Env Prog and Sustain Energy

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“…Ba, Al, Fe, Co, V). Many studies found that most trace metals were stored in roots of reeds while the translocation to shoots was limited [21,47,48]. Thus, reeds that possess large biomass and an extensive root system are a good candidate for rhizofi ltration, sequestering toxic metals from aquatic solutions with fewer contaminants remaining in the environment [49].…”

Section: Resultsmentioning

confidence: 99%

Metal Uptake in Reeds from ‘Flowback’ Fluids

Perry¹,

Sutton²,

Guo³

et al. 2018

Pol. J. Environ. Stud.

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“…Heavy metal pollution in the aquatic environment has attracted global attention because of the environmental toxicity, persistence, and bioaccumulation of heavy metals, which can pose adverse effects on living beings and the entire ecosystem [1,2]. Sediment is considered as the largest pool of heavy metals in the aquatic environment [3,4].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Heavy Metal Pollution in the Sediment of the Main Tributaries of Dongting Lake, China

Chen

Zheng

et al. 2018

Water

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Heavy metal pollution in sediment is one of the most serious problems in water bodies, including rivers, which can cause secondary pollution when environmental conditions change. In this study, surface sediment samples collected from the four main tributaries of Dongting Lake (i.e., Xiangjiang River (XR), Zishui River (ZR), Yuanjiang River (YR), and Lishui River (LR)) were analyzed for concentrations of Zn, Cr, Cu, As, Cd, and Pb. The spatial distribution, source, and potential ecological risk of these metals were determined. The results suggest a great spatial heterogeneity of heavy metals in the sediment of the studied rivers. Heavy metals had highest concentrations in the sediment of XR, especially midstream and downstream. A principal component analysis (PCA) and correlation analysis indicated that Cd and As were mainly from industrial wastewater and mineral mining, Cr came from natural process and agricultural activities, and Zn and Cu potentially from both. Pb was originated from atmospheric deposition and river inflow transportation. According to the geo-accumulation index (I geo ), enrichment factor (EF), and risk index (RI) assessment, heavy metals pollution was highest in the sediment of XR, and Cd was the main pollutant in the sediment of XR, presenting considerable potential ecological risk. This may contribute to heavy metal pollution in Dongting Lake. This paper provides a reference for the aquatic environmental management of heavy metals in Dongting Lake area and its tributaries.

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Wetland plants as indicators of heavy metal contamination

Cited by 93 publications

References 22 publications

Heavy metals and arsenic phytoavailability index in pioneer plants from a semipermanent natural wetland

Heavy metals and arsenic phytoavailability index in pioneer plants from a semipermanent natural wetland

Metal Uptake in Reeds from ‘Flowback’ Fluids

Assessment of Heavy Metal Pollution in the Sediment of the Main Tributaries of Dongting Lake, China

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