| 海南岛农用地土壤重金属含量的空间分布 |
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| 引用本文： | 郝丽虹,张冬明,吴鹏飞,戴 宇,漆智平.海南岛农用地土壤重金属含量的空间分布[J].中国生态农业学报,2009,17(2):230-234. |
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| 作者姓名： | 郝丽虹 张冬明 吴鹏飞 戴 宇 漆智平 |
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| 作者单位： | 中国热带农业科学院热带作物品种资源研究所农业部热带作物种质资源利用重点开放实验室,儋州,571737 |
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| 基金项目： | 中央级公益性科研院所基本科研业务费专项资金资助项目(中国热带农业科学院热带作物品种资源研究所) |
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| 摘 要： | 利用地理信息系统(GIS)及地统计学方法,对海南岛农用地中的Hg、Cd、Cr、Pb和As 5种重金属的污染状况进行空间变异性分析.结果表明,5种重金属的平均含量均未超过国家环境质量2级标准(GB15618-1995);Hg、Cd、Cr和Pb含量的变异函数理论模型符合指数模型,Hg和Pb空间相关程度弱,显示出其含量受成土因素的影响较大;As含量的变异函数理论模型符合高斯模型;Cd、Cr和As空间相关程度中等,显示出其含量受外源污染的影响较大;运用Kriging插值方法得出海南岛该5种土壤重金属的插值梯度分布图,海南岛外源性重金属污染在工业区最为严重.
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| 关 键 词： | 海南岛 重金属污染 空间分布 地理信息系统 地统计学 |
| 修稿时间： | 2008/7/31 0:00:00 |
Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China |
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| HAO Li-Hong,ZHANG Dong-Ming,WU Peng-Fei,DAI Yu and QI Zhi-Ping.Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China[J].Chinese Journal of Eco-Agriculture,2009,17(2):230-234. |
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| Authors: | HAO Li-Hong ZHANG Dong-Ming WU Peng-Fei DAI Yu and QI Zhi-Ping |
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| Institution: | Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China;Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China;Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China;Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China;Tropical Crop Genetics Resources Institute, Chinese Academy of Tropical Agricultural Science; Key Open Lab of Tropical Crop Idioplasm Resources, Ministry of Agriculture, Danzhou 571737, China |
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| Abstract: | |
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| Keywords: | Hainan Island Heavy metal pollution Spatial distribution Geographical information system Geostatistics |
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