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Dam impoundment elevates soil phosphorus and some trace elements in reservoir hydro-fluctuation belts | |
Yang, Dan1; Xie, Zongqiang1,2 | |
2022 | |
发表期刊 | AGRICULTURAL & ENVIRONMENTAL LETTERS |
卷号 | 7期号:2 |
摘要 | To examine the role of dam impoundment in elevating the levels of soil-associated phosphorus (P) and trace elements in reservoir hydro-fluctuation belts (RHB), soil samples in RHB and adjacent uplands (non-flooded area, NFA) in the Three Gorges Reservoir, China, were collected and analyzed. Concentrations of available P, copper (Cu), chromium (Cr), and zinc (Zn) were found to be higher in RHB than in NFA (p < .05), whereas organic carbon was comparable in RHB and NFA (p > .05). The elevated levels of Cu, Cr, and Zn in RHB were probably associated the repeated drying-rewetting cycles created by the dam impoundment. The 95th percentile of the single-factor pollution index and geo-accumulation index in RHB were 1.29 and -0.21 for Zn, 3.21 and 1.15 for Cu and 3.37 and 1.17 for Cr. Elevated pollution potential of soil-associated Zn, Cu, and Cr existed in RHB of the Three Gorges Reservoir. Core Ideas Dam impoundments decreased total C and total N concentrations in reservoir flooded soils. Cu, Zn, and Cr concentrated in the reservoir flood areas. Variability of Cu, Zn, and Cr was captured in single-factor pollution index and geo-accumulation index |
学科领域 | Agriculture, Multidisciplinary ; Environmental Sciences |
DOI | 10.1002/ael2.20089 |
收录类别 | SCI |
语种 | 英语 |
WOS关键词 | 3 GORGES RESERVOIR ; HEAVY-METAL CONTAMINATION ; WATER-LEVEL FLUCTUATIONS ; POLLUTION ; ZONE ; SEDIMENTS ; RISK |
WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
WOS记录号 | WOS:000847775400001 |
出版者 | WILEY |
文献子类 | Article |
出版地 | HOBOKEN |
EISSN | 2471-9625 |
资助机构 | Guizhou Provincial Science and Technology Planning Projects [Qianke He Foundation-ZK [2022] General 127] ; Guizhou University [Gui Da Tegang He Zi (2021) 14] |
作者邮箱 | dyang5@gzu.edu.cn |
作品OA属性 | gold |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/29015 |
专题 | 植被与环境变化国家重点实验室 |
作者单位 | 1.Guizhou Univ, Key Lab Plant Resource Conservat & Germplasm Inno, Collaborat Innovat Ctr Mt Ecol & Agrobioengn, Coll Life Sci, Guiyang 550025, Peoples R China 2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 3.Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Yang, Dan,Xie, Zongqiang. Dam impoundment elevates soil phosphorus and some trace elements in reservoir hydro-fluctuation belts[J]. AGRICULTURAL & ENVIRONMENTAL LETTERS,2022,7(2). |
APA | Yang, Dan,&Xie, Zongqiang.(2022).Dam impoundment elevates soil phosphorus and some trace elements in reservoir hydro-fluctuation belts.AGRICULTURAL & ENVIRONMENTAL LETTERS,7(2). |
MLA | Yang, Dan,et al."Dam impoundment elevates soil phosphorus and some trace elements in reservoir hydro-fluctuation belts".AGRICULTURAL & ENVIRONMENTAL LETTERS 7.2(2022). |
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