Lead distribution and possible sources along vertical zone spectrum of typical ecosystems in the Gongga Mountain, eastern Tibetan Plateau
文献类型：期刊论文
| 作者 | Luo, Ji1,2 ; Tang, Ronggui1,2,3; Sun, Shouqin1,2; Yang, Dandan1,2,3; She, Jia1,2,3; Yang, Peijun4
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| 刊名 | ATMOSPHERIC ENVIRONMENT
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| 出版日期 | 2015-08-01 |
| 卷号 | 115页码:132-140 |
| 关键词 | HYSPLIT model Atmospheric deposition Pollution sources Bio-indicator Root accumulation |
| ISSN号 | 1352-2310 |
| 通讯作者 | Ronggui,Tang |
| 英文摘要 | A total of 383 samples from soil, plant, litterfall and precipitation in four typical ecosystems of Gongga Mountain were collected. Pb concentrations of samples were measured and analyzed. The results showed mean Pb concentrations in different soil layers were in the order of O > A > C, and mean Pb concentrations of the aboveground parts of plant was 3.60 +/- 2.54 mg kg(-1), with the minimum value of 0.77 mg kg(-1) and the maximum value of 10.90 mg kg(-1). Pb concentrations in soil's O-horizon and A-horizon showed a downward trend with increasing elevation (the determination coefficient R-2 was 0.9478, 0.7918 and 0.9759 respectively). In contrast to other soil layers, the level of Pb concentrations in O-horizon (incomplete decomposition) was significantly high. Litterfall decomposition, atmospheric deposition and the unique climate could be main factors leading high Pb accumulation in soil's O-horizon. What's more, significant correlation (R-2 = 0.8126, P < 0.05) was found between Pb concentrations in fine roots and soil's A-horizon confirms that fine roots could adsorb and accumulate Pb materials in soil. In general, the fact that Pb inputted into the typical ecosystems in the Gongga Mountain via long-range transportation and deposition of the atmosphere from external Pb sources could be confirmed by the HYSPLIT model and the ratio of C-Pb/C-Al in plants (leaves) and C-Pb/C-Al in litterfall. The mining activities and increasing anthropogenic activities (tourism development) could be main sources of Pb in this area. In order to better understand Pb sources and eco-risks of these typical ecosystems, litterfall decomposition characteristics, biomass of productivity of forest ecosystem, Pb isotopic tracing among air mass, twigs, leaves, litterfall and O-horizon soil in this vertical belt should also be taken into consideration. (C) 2015 Elsevier Ltd. All rights reserved. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences |
| 学科主题 | 环境学 ; 大气环境学 ; 土壤环境学 |
| 类目[WOS] | Environmental Sciences ; Meteorology & Atmospheric Sciences |
| 研究领域[WOS] | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| 关键词[WOS] | FOREST SOILS ; HEAVY-METALS ; BOREAL FOREST ; CONTAMINATED SITES ; PB ; CD ; AEROSOL ; CHINA ; ZN ; BANGLADESH |
| 收录类别 | SCI |
| 原文出处 | http://www.sciencedirect.com/science/article/pii/S1352231015300959 |
| 语种 | 英语 |
| WOS记录号 | WOS:000358809600015 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/9036]  |
| 专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China 2.Minist Water Conservancy & Power, Chengdu 610041, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China 4.Shaanxi Univ Technol, Hanzhong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Luo, Ji,Tang, Ronggui,Sun, Shouqin,et al. Lead distribution and possible sources along vertical zone spectrum of typical ecosystems in the Gongga Mountain, eastern Tibetan Plateau[J]. ATMOSPHERIC ENVIRONMENT,2015,115:132-140. |
| APA | Luo, Ji,Tang, Ronggui,Sun, Shouqin,Yang, Dandan,She, Jia,&Yang, Peijun.(2015).Lead distribution and possible sources along vertical zone spectrum of typical ecosystems in the Gongga Mountain, eastern Tibetan Plateau.ATMOSPHERIC ENVIRONMENT,115,132-140. |
| MLA | Luo, Ji,et al."Lead distribution and possible sources along vertical zone spectrum of typical ecosystems in the Gongga Mountain, eastern Tibetan Plateau".ATMOSPHERIC ENVIRONMENT 115(2015):132-140. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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