[1]程金金,孙星,田莉莉,等.不同邻苯二甲酸二丁酯污染方式对其降解和土壤细菌群落的影响[J].江苏农业学报,2022,38(05):1248-1256.[doi:doi:10.3969/j.issn.1000-4440.2022.05.011]
　CHENG Jin-jin,SUN Xing,TIAN Li-li,et al.Impact of different pollution patterns of dibutyl phthalate on its degradation and bacterial community in soil[J].,2022,38(05):1248-1256.[doi:doi:10.3969/j.issn.1000-4440.2022.05.011]
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不同邻苯二甲酸二丁酯污染方式对其降解和土壤细菌群落的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年05期
页码:
1248-1256
栏目:
耕作栽培·资源环境
出版日期:
2022-10-31

文章信息/Info

Title:
Impact of different pollution patterns of dibutyl phthalate on its degradation and bacterial community in soil
作者:
程金金1; 2; 孙星1; 2; 田莉莉1; 2; 王亚1; 2; 余向阳1; 2
（1.江苏省农业科学院农业资源与环境研究所，江苏南京210014；2.省部共建国家重点实验室培育基地/江苏省食品质量安全重点实验室，江苏南京210014）
Author(s):
CHENG Jin-jin1; 2; SUN Xing1; 2; TIAN Li-li1; 2; WANG Ya1; 2; YU Xiang-yang1; 2
(1.Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;2.Jiangsu Key Laboratory for Food Quality and Safety/State Key Laboratory Cultivation Base of Ministry of Science and Technology, Nanjing 210014, China)
关键词:
邻苯二甲酸二丁酯; 累积污染; 微生物群落结构; 红壤; 黄棕壤
Keywords:
dibutyl phthalate; repeated pollution; microbial community structure; red soil; yellow-brown soil
分类号:
S154.34
DOI:
doi:10.3969/j.issn.1000-4440.2022.05.011
文献标志码:
A
摘要:
为准确评估邻苯二甲酸二丁酯（DBP）污染对土壤环境的影响，对比研究不同DBP污染方式[高剂量（20 mg/kg）单次污染处理（S处理）、低剂量（1 mg/kg）累积污染（每7 d污染1次，连续污染20次）处理（R处理）、CK(无污染母土)]对DBP降解及土壤细菌群落的影响。结果表明，土壤细菌群落的α多样性对不同DBP污染方式的响应较不敏感；2种污染方式均显著改变了土壤细菌群落的β多样性，S处理对红壤细菌群落结构的影响较大，R处理对黄棕壤细菌群落结构的影响较大；在2种污染方式处理下，红壤、黄棕壤中部分具有氮素转化、有机物分解、拮抗病原菌和植物促生等重要功能的细菌群落产生了显著扰动；此外，2种污染方式均显著提高了土壤对DBP的降解能力，与S处理相比，R处理的红壤、黄棕壤中DBP的降解半衰期分别缩短了77.18%、28.57%，表明低剂量累积污染处理方式对土壤中DBP的降解有更强的促进作用。
Abstract:
In order to accurately assess the environmental effects of dibutyl phthalate (DBP) pollution, high-dose (20 mg/kg) single pollution pattern (S treatment) and low-dose (1 mg/kg) repeated pollution pattern (R treatment) were simulated, and the impact of different pollution patterns of DBP on its degradation and bacterial community was compared. Results showed that the bacterial community α-diversities were less sensitive to different DBP pollution patterns. However, the two pollution patterns significantly changed the bacterial community β-diversities. The impact of the S treatment on the bacterial community structure of red soil was greater than that of the R treatment, and the impact of the R treatment on the bacterial community structure of yellow-brown soil was greater than that of the S treatment. The two pollution patterns caused significant disturbance to some bacterial communities with important functions such as nitrogen transformation, organic matter decomposition, pathogen antagonism and plant growth promotion in red soil and yellow-brown soil. In addition, the two pollution patterns significantly improved the ability of red soil and yellow-brown soil to degrade the subsequent DBP pollution. Compared with the S treatment, the degradation half-lives of DBP in red soil and yellow-brown soil under the R treatment were shortened by 77.18% and 28.57%, respectively, indicating that the R treatment had a stronger promoting effect on the degradation of DBP in soil.

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备注/Memo

备注/Memo:
收稿日期：2022-01-21基金项目：江苏省农业科技自主创新基金项目[CX(20)3052]作者简介：程金金（1987-），女，江苏泗洪人，博士，副研究员，主要从事农产品产地环境研究。(E-mail)jjcheng1206@163.com通讯作者：余向阳，(E-mail)yuxy@jaas.ac.cn
更新日期/Last Update: 2022-11-07