Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31500429 |
| 祁连山冰川前沿裸露地氮循环微生物响应环境变化的机理研究 | |
| 伍修锟 | |
| 主持机构 | 中国科学院寒区旱区环境与工程研究所 |
| 开始日期 | 2016 |
| 结束日期 | 2018 |
| 资助经费 | 220000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Glacier foreland, with the chronosequence traits and less disturbances by human activities, is an ideal place to study primary succession. Nitrogen is known as one of the major limitation factors in primary succession. In glacier forelands, nitrogen biogeochemical cycling is mainly driven by microbial processes in nitrogen fixation, decomposition and transformation of nitrogen containing compounds. However, there is lack of systematic studies regarding the primary succession of the nitrogen cycling microorganisms in glacier forelands and how they response to environmental changes. The project intends to choose research sites in six different glacier forelands which along the Qilian Mountains from east to west with a precipitation gradient, apply clone library construction technique and Fluorescence quantitative PCR technique to study microbial diversity, community structures, functional genes expression and enzyme activity related to the nitrogen cycle. Combined with vegetation, soil properties, climate and environment change, the project will explore the mechanisms of nitrogen cycling microorganisms response to the environmental changes in the glacier to provide the scientific information for microbial ecology in the glacier foreland. |
| 中文关键词 | 祁连山 ; 冰川前沿裸露地 ; 氮循环微生物 ; 群落演替 ; 环境变化 |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346896 |
| 推荐引用方式 GB/T 7714 | 伍修锟.祁连山冰川前沿裸露地氮循环微生物响应环境变化的机理研究.2016. |
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