| 粤北山区连州市土壤硒含量分布特征及影响因素研究 |
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| 引用本文： | 陈东平,张金鹏,聂合飞,李兴远,沈文杰,黄美聪. 粤北山区连州市土壤硒含量分布特征及影响因素研究[J]. 环境科学学报, 2021, 41(7): 2838-2848 |
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| 作者姓名： | 陈东平 张金鹏 聂合飞 李兴远 沈文杰 黄美聪 |
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| 作者单位： | 中山大学地球科学与工程学院,广州510275;广东省地质过程与矿产资源探查重点实验室,广州510275;广东省地球动力作用与地质灾害重点实验室,广州510275;中山大学地球科学与工程学院,广州510275;广东省地质过程与矿产资源探查重点实验室,广州510275;广东省地球动力作用与地质灾害重点实验室,广州510275;南方海洋科学与工程广东省实验室,珠海519000;连州市水果技术推广总站,连州513400 |
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| 基金项目： | 广州市科技计划项目（No.201804010190）；NFSC-广东大数据科学中心联合基金重点支持项目（No.U1911202） |
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| 摘 要： | 以粤北山区连州市为研究区,采集了 3009个耕地表层土壤(0～20 cm)样品,利用GS+软件构建的半方差变异函数模型、ArcGIS中的克里金插值法以及SPSS相关性分析等方法,分析了研究区耕地表层土壤硒含量的空间分布特征、硒元素的形态特征及影响因素.结果表明,土壤硒含量的均值为0.432 mg·kg-1,变化范围为0...
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| 关 键 词： | 硒元素 土壤 空间分布 影响因素 连州市 |
| 收稿时间： | 2020-09-23 |
| 修稿时间： | 2020-10-22 |
Selenium distribution in soils of Lianzhou city, mountain area of northern Guangdong Province and its influencing factors |
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| CHEN Dongping,ZHANG Jinpeng,NIE Hefei,LI Xingyuan,SHEN Wenjie,HUANG Meicong. Selenium distribution in soils of Lianzhou city, mountain area of northern Guangdong Province and its influencing factors[J]. Acta Scientiae Circumstantiae, 2021, 41(7): 2838-2848 |
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| Authors: | CHEN Dongping ZHANG Jinpeng NIE Hefei LI Xingyuan SHEN Wenjie HUANG Meicong |
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| Affiliation: | School of Earth Science and Engineering, Sun Yat-Sen University, Guangzhou 510275;1. Guangdong Key Laboratory of Geological Process and Mineral Resources Exploration, Guangzhou 510275;2. Guangdong Provincial Key Laboratory of Geodynamics and Geohazards, Guangzhou 510275;1. School of Earth Science and Engineering, Sun Yat-Sen University, Guangzhou 510275;2. Guangdong Key Laboratory of Geological Process and Mineral Resources Exploration, Guangzhou 510275;3. Guangdong Provincial Key Laboratory of Geodynamics and Geohazards, Guangzhou 510275;4. Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000; Center for Popularization of Fruit Technology of Lianzhou City, Lianzhou 513400 |
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| Abstract: | 3009 surface soil (0~20 cm) samples of farmlands were collected from Lianzhou, mountain area of northern Guangdong province, China. The selenium (Se) spatial distribution, morphology and influencing factors were analyzed by semivariogram model constructed by GS+, Kriging interpolation method in ArcGIS and correlation analysis by SPSS. The results showed that the average selenium content was 0.432 mg·kg-1, ranging from 0.048 mg·kg-1 to 4.650 mg·kg-1. The farmlands in Lianzhou region, as a whole, are rich in selenium. According to the spatial distribution map, selenium-rich soil is mainly distributed in the south and northeast of Lianzhou city, while is scattered in the central and western regions. The main occurrence forms of selenium in soil are residual and strong organic bound forms, accounting for 60.5% of the total amount. Soil pH and TOC have an important effect on the selenium content, and parent soil is the decisive factor affecting the selenium distribution in the surface soil of Lianzhou city. |
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| Keywords: | selenium soil spatial distribution influencing factors Lianzhou city |
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