[1]董中凯,阿丽亚·拜都热拉*,宋敏,等. 城郊人工梭梭林对土壤重金属污染修复潜力研究[J].西北林学院学报,2023,38(1):58-65.[doi:10.3969/j.issn.1001-7461.2023.01.08]
　DONG Zhong-kai,ALIYA Baidourela*,SONG Min,et al. Remediation Potential of Haloxylon ammodendron Plantation on Soil Heavy Metal Pollution in Suburbs[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(1):58-65.[doi:10.3969/j.issn.1001-7461.2023.01.08]
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 城郊人工梭梭林对土壤重金属污染修复潜力研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第1期
页码:
58-65
栏目:
出版日期:
2023-01-31

文章信息/Info

Title:
 Remediation Potential of Haloxylon ammodendron Plantation on Soil Heavy Metal Pollution in Suburbs
文章编号:
1001-7461(2023)01-0058-08
作者:
 董中凯1; 阿丽亚·拜都热拉1*; 宋敏1; 买尔旦·阿不都卡德1; 若山古丽·芒力克1; 马生惠2
 （1.新疆农业大学 林学与风景园林学院，新疆 乌鲁木齐 830052；2.新疆昌吉回族自治州城乡规划技术审查中心，新疆 昌吉 831100）
Author(s):
 DONG Zhong-kai1; ALIYA Baidourela1*; SONG Min1; MAIERDAN Abdulkade1; RUOSHANGULI Manglike1; MA Sheng-hui2
 (1.College of Forestry and Landscape Architecture,Xinjiang Agricultural University,Urumqi 830052,Xinjiang,China; 2.Xinjiang Changji Hui Autonomous Prefecture Urban and Rural Planning Technical Review Center,Changji 831100,Xinjiang,China)
关键词:
 ; 重金属; 多元统计; 梭梭; 修复潜力; 富集效能
Keywords:
 ; heavy metal;  multivariate statistics;  Haloxylon ammodendron;  remediation potential;  enrichment efficiency
分类号:
S731.1
DOI:
10.3969/j.issn.1001-7461.2023.01.08
文献标志码:
A
摘要:
 选取城郊梭梭防护林为研究对象，采集梭梭茎枝、根、凋落物及根际土壤样品，通过测定(Cd、Hg、Pb、Zn、Mn、Ni、As、Cu、Cr)9种重金属元素含量，采用多元统计对土壤重金属来源进行初步分析，量化梭梭各器官修复潜力，并根据生物量方程估算梭梭单位面积及单位空间重金属累积量，进而评价梭梭对各元素富集效能。结果表明，9种元素均低于土壤风险筛选值，除Mn、Ni、Pb含量低于新疆土壤环境背景值外，其余元素均不同程度超出背景值，其中Hg元素是背景值的4倍，表明研究区土壤产生不同程度重金属累计现象，Mn、Cr、As、Hg、Cd污染可能不同程度受燃煤、金属冶炼等因素影响，Pb、Ni可能来源于交通污染源以及成土母质双重影响，Cu可能与区域垃圾、秸秆焚烧有关。梭梭各器官表现出对Mn、Cd、Hg良好的富集能力，对Ni、Zn、Cr、Cu具备一定的修复潜力,对Pb、As表现出低修复潜力；单株梭梭对重金属元素累计总量大小顺序为Mn>Zn>Cr>Cu>Ni>Pb>Cd>As>Hg,地上部分对各重金属元素累积量均明显大于地下部分。梭梭对重金属污染治理具备较强的修复潜力。
Abstract:
 Based on the previous investigation,this paper selected the Haloxylon ammodendron shelter forest in the suburbs as the research object.Samples of the stem,root,litter and rhizosphere soil were collected,from which the contents of 9 heavy metals (Cd,Hg,Pb,Zn,Mn,Ni,As,Cu and Cr) were measured,and the sources of heavy metals in soils were preliminarily analyzed by multivariate statistics.The remediation potentials of H.ammodendron organs were quantitatively determined.The heavy metal accumulation per unit area and per unit space of H.ammodendron was estimated according to the biomass equation,and then the enrichment efficiency of H.ammodendron to various elements was evaluated.The results showed that 9 elements in soil samples were lower than the soil risk screening value.The contents of Mn,Ni and Pb were lower than the soil environmental background value in Xinjiang,while the contents of other elements exceeded the background value in varying degrees,in which Hg was 4 times of the background value,indicating that the accumulation of heavy metals in the soil of the study area occurred in varying degrees.Mn,Cr,As,Hg and Cd pollution may be affected by coal combustion,metal smelting and other factors to varying degrees; Pb and Ni may come from the dual effects of traffic pollution source and soil forming parent material,and Cu may be related to regional garbage and straw incineration.All organs of H.ammodendron showed good enrichment ability for Mn,Cd and Hg,and had certain remediation potential for Ni,Zn,Cr and Cu.It showed low remediation potential for Pb and As.The total amounts of cumulated heavy metals by H.ammodendron was in the order of Mn>Zn>Cr>Cu>Ni>Pb>Cd> As>Hg.The cumulative amount of heavy metals in the aboveground part was significantly greater than that in the underground part.H.ammodendron has strong remediation potential for heavy metal pollution control.

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备注/Memo

备注/Memo:
 收稿日期：2021-11-25修回日期：2022-02-25
基金项目：国家自然科学基金（31971713）；国家博士后基金（2020T130554）。
第一作者：董中凯。研究方向：林业生态工程与管理。E-mail:2472044204@qq.com
*通信作者：阿丽亚·拜都热拉，副教授，硕士生导师。研究方向：城市生态学，荒漠化防治学。E-mail:aliya@xjau.edu.cn
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