樟树林地土壤多环芳烃的含量及其分布特征

doi:10.11707/j.1001-7488.20061103

Scientia Silvae Sinicae ›› 2006, Vol. 42 ›› Issue (11): 12-16.doi: 10.11707/j.1001-7488.20061103

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Study on Concentration and Distribution Characteristics of Polycyclic Aromatic Hydrocarbons(PAHs)in Soils of Cinnamomum camphora Stand

Tian Dalun,Yan Wende,Kang Wenxing,Xiang Wenhua,Pan Yongjun

Research Section of Ecology,Central-South University of Forestry & Technology Changsha 410004

Received:2006-06-01 Revised:1900-01-01 Online:2006-11-25 Published:2006-11-25

Abstract

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 mainly 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.

Key words: Cinnamomum camphora forest, bare land, soil, PAHs

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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Study on Concentration and Distribution Characteristics of Polycyclic Aromatic Hydrocarbons(PAHs)in Soils of Cinnamomum camphora Stand

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