| 江苏沿海滩涂土壤重金属风险分析 |
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| 引用本文： | 张蓝天,杨林生,李海蓉,曹志强,王利,王新伟,吴洋.江苏沿海滩涂土壤重金属风险分析[J].中国环境监测,2023,39(2):55-64. |
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| 作者姓名： | 张蓝天 杨林生 李海蓉 曹志强 王利 王新伟 吴洋 |
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| 作者单位： | 中国科学院地理科学与资源研究所, 陆地表层格局与模拟院重点实验室, 北京 100101;中国科学院大学资源与环境学院, 北京 100049;中国石油大学(北京)化学工程与环境学院, 北京 102249;澳门海岸带生态环境国家野外科学观测研究站, 澳门环境研究院 澳门科技大学, 澳门 999078 |
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| 基金项目： | 科技部重点研发项目(2018YFC0407502)第一 |
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| 摘 要： | 以江苏沿海滩涂作为研究区，通过采样检测，结合统计分析方法和潜在生态风险指数，研究不同滩涂围垦类型下土壤/沉积物重金属总量、有效态含量及其潜在生态风险。研究结果表明：滩涂土壤重金属总体呈轻度污染，高值区位于养殖区和行道树林；不同土地利用类型下的重金属以中等偏下变异为主，空间异质性弱；重金属有效态与总量呈显著正相关；潜在生态风险主要由Cd、Hg贡献，64.78%和35.21%的土壤点位呈现Cd强度和中度生态风险，养殖池塘和农田重金属潜在生态风险最严重。
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| 关 键 词： | 滩涂 重金属 生态风险 江苏 |
| 收稿时间： | 2021/11/17 0:00:00 |
| 修稿时间： | 2022/11/12 0:00:00 |
Analysis on the Risks of Heavy Metals in Coastal Soils of Jiangsu Province |
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| ZHANG Lantian,YANG Linsheng,LI Hairong,CAO Zhiqiang,WANG Li,WANG Xinwei,WU Yang.Analysis on the Risks of Heavy Metals in Coastal Soils of Jiangsu Province[J].Environmental Monitoring in China,2023,39(2):55-64. |
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| Authors: | ZHANG Lantian YANG Linsheng LI Hairong CAO Zhiqiang WANG Li WANG Xinwei WU Yang |
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| Institution: | Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Key Laboratory of Land Surface Patterns and Simulation Institute, Beijing 100101, China;University of Chinese Academy of Sciences, College of Resources and Environment, Beijing 100049, China;China University of Petroleum, Beijing, College of Chemical Engineering and Environment, Beijing 102249, China; National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Macau University of Science and Technology, Macao 999078, China |
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| Abstract: | Coastal tidal flats of Jiangsu were taken as the research area and were analyzed through sampling and testing,combined with statistical analysis,and potential ecological risk index,aiming to determine the total amount and available content of heavy metals under different reclamation types of tidal flats and their potential risks.The results showed that the tidal flats soil was slightly polluted by heavy metals,and their concentrations in the aquaculture area and forest land were relatively high.The heavy metals in most utilization types had lower-middle variation,with weak spatial heterogeneity.There was a significant positive correlation between available and total content of heavy metals.The potential ecological risks of study area were mainly contributed by Cd and Hg.64.78% and 35.21% of the soil samples showed strong and moderate Cd ecological hazards.Aquaculture ponds and farmland had the most serious potential ecological risks of heavy metals. |
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| Keywords: | tidal flat heavy metals ecological risk Jiangsu |
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