| 樟树林地土壤多环芳烃的含量及其分布特征 |
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| 引用本文： | 田大伦,闫文德,康文星,项文化,潘勇军. 樟树林地土壤多环芳烃的含量及其分布特征[J]. 林业科学, 2006, 42(11): 12-16 |
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| 作者姓名： | 田大伦 闫文德 康文星 项文化 潘勇军 |
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| 作者单位： | 中南林业科技大学生态教研室,长沙410004 |
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| 基金项目： | 国家自然科学基金，科技部科技基础条件平台建设计划，湖南省社会科学基金，湖南省自然科学基金，林业部科研项目 |
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| 摘 要： | 研究樟树林地和无林地土壤中PAHs的含量和分布特征,并对两种土地类型土壤中的PAHs含量水平进行评价.结果表明:两种土地类型土壤中PAHs主要积累在0～30 cm的表土层,并随土层加深而明显减少,各土层中以高环的PAHs组分为主,PAHs主要源于燃烧源;樟树林地土壤中PAHs含量明显低于无林地,无林地表土层中PAHs含量是樟树林地表土层的1.1倍;对两种土壤中的PAHs含量水平进行评价,得知樟树林地土壤PAHs超标5种,无林地土壤不仅超标8种,且超标倍数明显大于樟树林地,樟树林地土壤的PAHs污染程度小于无林地.
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| 关 键 词： | 樟树林 无林地 土壤 多环芳烃 |
| 文章编号： | 1001-7488(2006)11-0012-05 |
| 收稿时间： | 2006-06-01 |
| 修稿时间： | 2006-06-01 |
Study on Concentration and Distribution Characteristics of Polycyclic Aromatic Hydrocarbons(PAHs) in Soils of Cinnamomum camphora Stand |
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| Tian Dalun,Yan Wende,Kang Wenxing,Xiang Wenhua,Pan Yongjun. Study on Concentration and Distribution Characteristics of Polycyclic Aromatic Hydrocarbons(PAHs) in Soils of Cinnamomum camphora Stand[J]. Scientia Silvae Sinicae, 2006, 42(11): 12-16 |
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| Authors: | Tian Dalun Yan Wende Kang Wenxing Xiang Wenhua Pan Yongjun |
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| Abstract: | Concentration and distribution characteristics of PAHs in soil between a Cinnamomum camphora stand and a bare land were studied, and PAHs concentration levels in two kinds of soil were evaluated. The results showed PAHs mainy accumulated in 0 - 30 cm soil depth in two lands and apparently decreased with the increasing of soil depth. Every soil layer was dominated by high molecular weight PAHs, So PAHs mainly result from combustion. The PAHs concentration is 1.1 times as much in the C. camphora forest land as in the bare land, In addition, the evaluation also implied PAHs concentrations in the bare land were higher than those in the C. camphora forest land. PAHs in the C, camphora forest land and the bare land exceed standard by 5 kinds and 8 kinds, respectively. |
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| Keywords: | Cinnamomum camphora forest bare land soil PAHs |
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