常见绿化树种对重金属的富集效应评价

doi:10.6048/j.issn.1001-4330.2021.08.023

新疆农业科学 ›› 2021, Vol. 58 ›› Issue (8): 1558-1567.DOI: 10.6048/j.issn.1001-4330.2021.08.023

• 农产品加工工程·农产品分析检测 • 上一篇

常见绿化树种对重金属的富集效应评价

彭小东¹, 阿丽亚·拜都热拉¹, 刘丽¹, 玉米提·哈力克², 胡梦玲¹, 孙桂丽¹

1.新疆农业大学林学与园艺学院,乌鲁木齐 830052;
2.新疆大学资源与环境科学学院,乌鲁木齐 830052

收稿日期:2020-06-15 出版日期:2021-08-20 发布日期:2021-08-09
通信作者: 阿丽亚·拜都热拉(1986-),女,新疆吐鲁番人,副教授,博士,研究方向为荒漠化防治,(E-mail)aliya@xjau.edu.cn
作者简介:彭小东(1996-),男,贵州铜仁人,硕士研究生,研究方向为林业生态工程与管理,(E-mail)2513466965@qq.com
基金资助:
国家自然科学基金“绿洲城市路侧树种不同器官对降尘和土壤重金属的富集及转运机理研究”(31971713),“绿洲城市园林及其配置结构对大气颗粒物的调控机制研究”(31770750);国家博士后基金(185789)“吐鲁番城郊工业区人工防护林对土壤重金属的富集及防风蚀机理研究”(2020T130554)

Evaluation of Enrichment Effect of Common Greening Tree Species on Expressway

PENG Xiaodong¹, Aliya Baidurela¹, LIU Li¹, Yumti Halik², HU Mengling¹, SUN Guili¹

1. College of Forestry and Horticulture, Xinjiang Agricultural University, Urumqi 830052, China;
2. College of Resources and Environmental Sciences, Xinjiang University, Urumqi 830052, China

Received:2020-06-15 Online:2021-08-20 Published:2021-08-09
Correspondence author: Aliya Baidurela (1986 -), female, Xinjiang Turpan, Uygur nationality, postdoctoral, associate professor, engaged in professional research direction: desertification control, (E-mail)aliya@xjau.edu.cn
Supported by:
This study was National Science foundation of China (NSFC): (31971713&31770750); Postdoctoral foundation of China, guarantee (185789)

摘要/Abstract

摘要： 【目的】研究常见绿化树种对重金属的富集效应评价,为干旱绿洲城市建设绿化植物的选择提供依据。【方法】以常见绿化树种为对象,采用电感耦合等离子体发射光谱仪测定各样品重金属含量,分析不同绿化树种对土壤重金属Cu、Pb、Ni和Zn的富集能力与转运特征,运用隶属函数法对富集转运能力进行综合评价。【结果】根际土壤中Cu、Ni、Pb和Zn含量均值分别为40.27、48.03、29.24和120.77 mg/kg,分别是新疆土壤重金属环境背景值1.51、1.91、1.53和1.76倍;对研究区采用内梅罗综合污染指数评价,该区为轻度污染。树种地下部分重金属含量高于地上部分;对其富集系数与转运系数的计算得,冠榆、红皮云杉对Pb的富集系数与转运系数均大于1,冠榆、红皮云杉对重金属Pb具有超富集效应。【结论】5种常见树种对4种重金属的BTF整体表现为Pb＞Ni＞Zn＞Cu;各树种对重金属Cu、Ni、Pb与Zn的综合转运能力:圆冠榆＞白榆＞红皮云杉＞樟子松＞白蜡。

关键词: 绿化树种、重金属、富集系数、转运系数

Abstract: 【Objective】 Evaluation of Enrichment Effect of Common Greening Tree Species on Expressway To find out the dominant tree species for heavy metal restoration in traffic roads in the hope of providing suggestions for the selection of green plants in arid oasis cities.【Method】 In this study, the common greening tree species on the side of Jingxin expressway in Urumqi were studied. The heavy metal content of each sample was determined by inductively coupled plasma emission spectrometer. The enrichment ability and transport characteristics of heavy metal Cu, Pb, Ni and Zn in soil by different greening tree species were analyzed. A membership function method was used to comprehensively evaluate the enrichment and transshipment capacity.【Results】 The results showed that the average values of Cu, Ni, Pb, and Zn in the rhizosphere soil were 40.27, 48.03, 29.24, and 120.77 mg / kg, respectively, which were 1.51, 1.91, 1.53, and 1.76 times the environmental values of heavy metals in Xinjiang soil. The Nemelo comprehensive pollution index was used to evaluate the study area, which was lightly polluted. Through the analysis of the heavy metal content of the tree species, the heavy metal content of the underground part of the tree species was higher than that of the above-ground part, which indicated that the Ulmus pumila and Picea koraiensis Nakai had a super-enrichment effect on heavy metals Pb.【Conclusion】 According to the analysis, the BTF of the five common tree species to the four heavy metals is Pb＞ Ni＞ Zn＞ Cu; The comprehensive transport capacity of various tree species to heavy metals Cu, Ni, Pb and Zn is: Ulmus densa＞ Ulmus pumila ＞ Picea koraiensis Nakai ＞ Pinus sylvestris var. mongolica ＞ Fraxinus chinensis Roxb.

Key words: greening tree species; heavy metals; enrichment coefficient; transport coefficient

中图分类号:

彭小东, 阿丽亚·拜都热拉, 刘丽, 玉米提·哈力克, 胡梦玲, 孙桂丽. 常见绿化树种对重金属的富集效应评价[J]. 新疆农业科学, 2021, 58(8): 1558-1567.

PENG Xiaodong, Aliya Baidurela, LIU Li, Yumti Halik, HU Mengling, SUN Guili. Evaluation of Enrichment Effect of Common Greening Tree Species on Expressway[J]. Xinjiang Agricultural Sciences, 2021, 58(8): 1558-1567.

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常见绿化树种对重金属的富集效应评价

Evaluation of Enrichment Effect of Common Greening Tree Species on Expressway

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