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Heavy metal bioaccumulation by Miscanthus sacchariflorus and its potential for removing metals from the Dongting Lake wetlands, China

Overview of attention for article published in Environmental Science & Pollution Research, May 2018
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Title
Heavy metal bioaccumulation by Miscanthus sacchariflorus and its potential for removing metals from the Dongting Lake wetlands, China
Published in
Environmental Science & Pollution Research, May 2018
DOI 10.1007/s11356-018-2174-0
Pubmed ID
Authors

Xin Yao, Yandong Niu, Youzhi Li, Dongsheng Zou, Xiaohui Ding, Hualin Bian

Abstract

Bioaccumulation of five heavy metals (Cd, Cu, Mn, Pb, and Zn) in six plant organs (panicle, leaf, stem, root, rhizome, and bud) of the emergent and perennial plant species, Miscanthus sacchariflorus, were investigated to estimate the plant's potential for accumulating heavy metals in the wetlands of Dongting Lake. We found the highest Cd concentrations in the panicles and leaves; while the highest Cu and Mn were observed in the roots, the highest Pb in the panicles, and the highest Zn in the panicles and buds. In contrast, the lowest Cd concentrations were detected in the stem, roots, and buds; the lowest Cu concentrations in the leaves and stems; the lowest Mn concentrations in the panicles, rhizomes, and buds; the lowest Pb concentrations in the stems; and the lowest Zn concentrations in the leaves, stems, and rhizomes. Mean Cu concentration in the plant showed a positive regression coefficient with plot elevation, soil organic matter content, and soil Cu concentration, whereas it showed a negative regression coefficient with soil moisture and electrolyte leakage. Mean Mn concentration showed positive and negative regression coefficients with soil organic matter and soil moisture, respectively. Mean Pb concentration exhibited positive regression coefficient with plot elevation and soil total P concentration, and Zn concentration showed a positive regression coefficient with soil available P and total P concentrations. However, there was no significant regression coefficient between mean Cd concentration in the plant and the investigated environmental parameters. Stems and roots were the main organs involved in heavy metal accumulation from the environment. The mean quantities of heavy metals accumulated in the plant tissues were 2.2 mg Cd, 86.7 mg Cu, 290.3 mg Mn, 15.9 mg Pb, and 307 mg Zn per square meter. In the Dongting Lake wetlands, 0.7 × 103 kg Cd, 22.9 × 103 kg Cu, 77.5 × 103 kg Mn, 3.1 × 103 kg Pb, and 95.9 × 103 kg Zn per year were accumulated by aboveground organs and removed from the lake through harvesting for paper manufacture.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 7 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 7 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 2 29%
Student > Master 2 29%
Student > Bachelor 1 14%
Student > Doctoral Student 1 14%
Unspecified 1 14%
Other 0 0%
Readers by discipline Count As %
Unspecified 3 43%
Environmental Science 2 29%
Earth and Planetary Sciences 1 14%
Energy 1 14%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 May 2018.
All research outputs
#11,487,000
of 12,923,846 outputs
Outputs from Environmental Science & Pollution Research
#2,483
of 3,519 outputs
Outputs of similar age
#233,953
of 269,951 outputs
Outputs of similar age from Environmental Science & Pollution Research
#157
of 207 outputs
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So far Altmetric has tracked 3,519 research outputs from this source. They receive a mean Attention Score of 3.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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