[1]刘德良,王开峰,杨期和,等. 粤东北银锑矿尾矿区周边土壤重金属污染评价[J].西北林学院学报,2015,30(06):65-70.[doi:doi:10.3969/j.issn.1001-7461.2015.06.11]
　LIU De-liang,WANG Kai-feng,YANG Qi-he,et al. Assessment and Correlation Analysis of Heavy Metals Pollution in Northeastern Guangdong Ag-Sb Deposit[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(06):65-70.[doi:doi:10.3969/j.issn.1001-7461.2015.06.11]
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年06期
页码:
65-70
栏目:
出版日期:
2015-11-30

文章信息/Info

Title:
 Assessment and Correlation Analysis of Heavy Metals Pollution in Northeastern Guangdong Ag-Sb Deposit
文章编号:
1001-7461(2015)06-0065-06
作者:
 刘德良1; 王开峰2; 杨期和1; 朱芹1
 (1. 嘉应学院 生命科学学院，广东 梅州 514015;2.嘉应学院 化学与环境学院，广东 梅州 514015)
Author(s):
 LIU De-liang1;  WANG Kai-feng2;  YANG Qi-he1;  ZHU Qin1
 (1. School of Life Sciences, Jiaying University, Meizhou, Guangdong 514015, China; 2. School of Chemistry and Environment Sciences, Jiaying University, Meizhou, Guangdong 514015, China)
关键词:
 ; 粤东北银锑矿; 重金属; 土壤污染; 评价; 相关性
Keywords:
 ; northeastern Guangdong Ag-Sb deposit;  heavy metal;  soil pollution;  evaluation;  correlation
分类号:
S714.2
DOI:
doi:10.3969/j.issn.1001-7461.2015.06.11
文献标志码:
A
摘要:
 对粤东北银锑矿尾矿区周边土壤的理化性质、重金属含量及其与理化性质相关性分析的基础上，应用Hakanson潜在生态危害指数对其危害程度进行评价。结果表明：矿区土壤呈酸性，pH3.40~6.94，土壤相对较贫瘠；土壤重金属污染以Cd污染为主，Cd含量为0.31~2.66 mg·kg-1(平均含量为1.11 mg·kg-1)，严重超标；从总潜在生态危害指数看，各样点均界于50≤RI＜300之间，属中污染；土壤理化性质及其与土壤重金属污染间存在不同程度的相关性，其中，距离与pH呈显著正相关，pH与交换性酸、与Cd分别呈显著、极显著的负相关；Cu与Ni含量呈显著正相关。
Abstract:
 In order to find out the status of soil heavy metal pollution in Northeastern Guangdong Ag-Sb deposit, based on the analysis of soil physicochemical properties, heavy metal content and correlation between chemical properties, the ecological hazard levels were evaluated by using the Hakanson potential ecological hazard risk index. The results indicated that the soil was acidic (pH 3.40-6.94), and the soil fertility was relatively poor. The heavy metal pollution was mainly from Cd, the contents of Cd in soil were from 0.31 to 2.66 mg·kg-1, with an average of 1.11 mg·kg-1, much higher than the national secondary standard. The values of total potential ecological risk index (RI) were between 50 to 300, and all sampling points belonged to the moderate pollution. Correlations with various degrees were observed between soil physicochemical properties and heavy metal pollution, in which the distance and pH demonstrated significantly positive correlation. pH and exchangeable acids presented significantly positive correlation, while most significantly positive correlation was found between pH and Cd. The correlation between Cu and Ni was significantly positive.

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备注/Memo

备注/Memo:
 收稿日期：2015-05-19 修回日期：2015-09-28
基金项目：广东省科技计划项目(2012A030700006)；广东省高等学校科技创新重点项目(cxzd 1132)；梅州市科技计划项目(2011KJM08)。
作者简介：刘德良，男，教授，博士，研究方向：生态环境。E-mail: ldl@jyu.edu.cn
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