Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 0309219 |
| DISSERTATION RESEARCH: Soil Microbial Community Composition and Organic Matter Utilization as Affected by Changes in Soil Carbon Availability | |
| Raymond Evans | |
| 主持机构 | University of Arkansas |
| 开始日期 | 2003-06-01 |
| 结束日期 | 2005-05-31 |
| 资助经费 | 9000(USD) |
| 项目类别 | Standard Grant |
| 资助机构 | US-NSF（美国国家科学基金会） |
| 项目所属计划 | ECOSYSTEM STUDIES |
| 语种 | 英语 |
| 国家 | 美国 |
| 英文简介 | This proposed research aims to improve understanding of functional diversity of microbial populations and the influence of microbial diversity on carbon cycling in soils. Linkages between microbial community structure, functional diversity of microbes, and the relations of microbial community structure and diversity to soil carbon cycling will be explored using (1) measurements of the stable isotopic composition of soil organic matter fractions, (2) biomarkers specific to different microbial functional groups, and (3) microbially respired carbon. These approaches will also be used to evaluate microbial and carbon cycle responses to a changing atmosphere in creosote bush (chaparral) ecosystems under ambient and experimentally elevated CO2 at the Nevada Desert FACE (Free Air Carbon Enrichment) Facility. The information derived from this research could be of use in elucidating general principles of carbon-microbe interactions useful for understanding controls on soil biogeochemical processes in a range of ecosystem types in response to changing atmospheric CO2. The results could also improved ecosystem- and regional-scale estimates of carbon storage under elevated CO2. |
| 来源学科分类 | Biological Sciences |
| URL | https://www.nsf.gov/awardsearch/showAward?AWD_ID=0309219 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/341257 |
| 推荐引用方式 GB/T 7714 | Raymond Evans.DISSERTATION RESEARCH: Soil Microbial Community Composition and Organic Matter Utilization as Affected by Changes in Soil Carbon Availability.2003. |
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