Effects of enhanced UV-B radiation on the diversity and activity of soil microorganism of alpine meadow ecosystem in Qinghai-Tibet Plateau (SCI)
文献类型：期刊论文
| 作者 | Niu F. J. ; He J. X. ; Zhang G. S. ; Liu X. M. ; Liu W. ; Dong M. X. ; Wu F. S. ; Liu Y. J. ; Ma X. J. ; An L. Z. ; Feng H. Y. |
| 刊名 | Ecotoxicology
 |
| 出版日期 | 2014 |
| 卷号 | 23期号:10页码:1833-1841 |
| 英文摘要 | The effects of enhanced UV-B radiation on abundance, community composition and the total microbial activity of soil bacteria in alpine meadow ecosystem of Qinghai-Tibet Plateau were investigated. Traditional counting and 16S rRNA gene sequencing were used to investigate the culturable bacteria and their composition in soil, meanwhile the total microbial activity was measured by microcalorimetry. The population of soil culturable bacteria was slightly reduced with the enhanced UV-B radiation in both of the two depths, 2.46 x 10(6) CFU/g in upper layer (0-10 cm), 1.44 x 10(6) CFU/g in under layer (10-20 cm), comparing with the control (2.94 x 10(6) CFU/g in upper layer, 1.65 x 10(6) CFU/g in under layer), although the difference was not statistically significant (P > 0.05). However, the bacteria diversity decreased obviously due to enhanced UV-B, the number of species for upper layer was decreased from 20 to 13, and from 16 to 13 for the lower layer. The distribution of species was also quite different between the two layers. Another obvious decrease induced by enhanced UV-B radiation was in the total soil microbial activities, which was represented by the microbial growth rate constant (k) in this study. The results indicated that the culturable bacteria community composition and the total activity of soil microbes have been considerably changed by the enhanced UV-B radiation. |
| 收录类别 | SCI |
| 公开日期 | 2015-12-24 |
| 源URL | [http://ir.casnw.net/handle/362004/24805]  |
| 专题 | 寒区旱区环境与工程研究所_中科院寒区旱区环境与工程研究所（未分类）_期刊论文 |
| 推荐引用方式 GB/T 7714 | Niu F. J.,He J. X.,Zhang G. S.,et al. Effects of enhanced UV-B radiation on the diversity and activity of soil microorganism of alpine meadow ecosystem in Qinghai-Tibet Plateau (SCI)[J]. Ecotoxicology,2014,23(10):1833-1841. |
| APA | Niu F. J..,He J. X..,Zhang G. S..,Liu X. M..,Liu W..,...&Feng H. Y..(2014).Effects of enhanced UV-B radiation on the diversity and activity of soil microorganism of alpine meadow ecosystem in Qinghai-Tibet Plateau (SCI).Ecotoxicology,23(10),1833-1841. |
| MLA | Niu F. J.,et al."Effects of enhanced UV-B radiation on the diversity and activity of soil microorganism of alpine meadow ecosystem in Qinghai-Tibet Plateau (SCI)".Ecotoxicology 23.10(2014):1833-1841. |
入库方式： OAI收割
来源：寒区旱区环境与工程研究所
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