[1]陶春军,李明辉,马明海,等.皖南某典型富硒区土壤-水稻重金属生态风险评估[J].华东地质,2023,44(02):160-171.[doi:10.16788/j.hddz.32-1865/P.2023.02.005]
　TAO Chunjun,LI Minghui,MA Minghai,et al.Ecological risk assessment of heavy metals in soil-rice in a typical selenium-rich area of southern Anhui Province[J].East China Geology,2023,44(02):160-171.[doi:10.16788/j.hddz.32-1865/P.2023.02.005]
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皖南某典型富硒区土壤-水稻重金属生态风险评估()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
44
期数:
2023年02期
页码:
160-171
栏目:
土壤资源专题
出版日期:
2023-06-17

文章信息/Info

Title:
Ecological risk assessment of heavy metals in soil-rice in a typical selenium-rich area of southern Anhui Province
作者:
陶春军1;  李明辉1;  马明海2;  张笑蓉1;  杜国强1;  梁红霞1
1. 安徽省地质调查院, 安徽 合肥 230001;
2. 黄山学院 生命与环境科学学院, 安徽 黄山 245041
Author(s):
TAO Chunjun1;  LI Minghui1;  MA Minghai2;  ZHANG Xiaorong1;  DU Guoqiang1;  LIANG Hongxia1
1. Geological Survey of Anhui Province, Hefei 230001, Anhui, China;
2. School of Life and Environmental Sciences, Huangshan University, Huangshan 245041, Anhui, China
关键词:
富硒土壤; 重金属; 水稻; 生态风险评估; 皖南
Keywords:
selenium-rich soil; heavy metal; rice; ecological risk assessment; southern Anhui Province
分类号:
X53X173
DOI:
10.16788/j.hddz.32-1865/P.2023.02.005
摘要:
为了解皖南某典型富硒区土壤-水稻重金属生态风险状况,在该地区采集水稻籽粒样品以及对应的根系土壤样品各43件,采用单因子污染指数和综合污染指数法、危害商法及潜在生态危害指数法等,对土壤-水稻系统中重金属污染生态风险进行了评价。结果表明:水稻样品均达到富硒标准;水稻籽粒及土壤中Cd元素生态风险较高,部分稻米Cd超标。成人和儿童通过食用稻米摄入重金属的复合健康风险指数(THQ)平均值分别为0.897和1.076,说明儿童面临的健康风险高于成人,Cd是主要影响元素。研究区总体上为轻微生态风险,但部分Cd元素达到了中等和强生态风险。
Abstract:
In order to understand the ecological risk caused by heavy metals in soil-rice system in a typical selenium-rich area in southern Anhui Province. 43 rice grain samples and root soil samples were collected in the area. The ecological risk of heavy metal in soil-rice system was evaluated by single-factor pollution index and comprehensive pollution index method, hazard quotient method and potential ecological hazard index method. The results showed that all the rice samples reached the selenium enrichment standard. The ecological risk of Cd in rice grains and soil was high, with some rice samples exceeding the limit. The average THQ values inside the adults and children ingesting heavy metals through rice consumption were 0.897 and 1.076, respectively, indicating that children have higher health risks than adults, and Cd is the main influencing element. The study area is generally at slight ecological risk, while some Cd elements have reached moderate and strong ecological risk.

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备注/Memo

备注/Memo:
收稿日期:2022-4-30;改回日期:2022-9-9。
基金项目:安徽省自然资源科技项目"安徽省高镉富硒土壤资源开发利用研究(编号:2020-K-7)"、安徽高校自然科学研究项目"练江流域生态环境风险评价及协同保护研究( 编号:KJ2020A0690)"和安徽省重点研究与开发计划项目"池州市天然富硒土壤开发利用关键技术研究与示范(编号:202004a06020048)"联合资助。
作者简介:陶春军,1982年生,男,正高级工程师,硕士,主要从事生态地球化学调查及应用研究工作。Email:tcj9903@sina.com。
更新日期/Last Update: 1900-01-01