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| RAPID: Ecosystem Reconstruction under Climate Change Conditions following Fire | |
| 项目编号 | 0963753 |
| Scott Collins | |
| 项目主持机构 | University of New Mexico |
| 开始日期 | 2010-08-15 |
| 结束日期 | 2012-07-31 |
| 英文摘要 | Research at the Sevilleta LTER site in central New Mexico is concentrated on studies in desert grassland and shrubland communities, emphasizing biodiversity, species interactions and climate change. Aridland ecosystems are governed by key abiotic and biotic drivers, especially climate variability, fire, plant-microbe interactions, nutrient dynamics, and herbivory. On 4-5 August 2009 a lightening-caused wildfire burned approximately 3200 ha of native desert grassland, including several key long-term experiments that evaluate the potential impact of climate change on Chihuahuan Desert ecosystems. With this funding the investigators will monitor the interaction of microbial populations and desert grasses in their monsoon rainfall manipulation experiment to assess recovery rates of plant-microbial interactions. They will relocate a flux tower in unburned grassland and gather more detailed information on soil respiration and CO2 efflux in burned and unburned grasslands during post-fire succession, as well as in their nighttime warming and winter rainfall experiment. This will provide important information related to how desert ecosystems affect greenhouse gas emissions. Broader impacts: Climate change is likely to alter the dynamics of ecosystems globally. This research will allow the investigators to assess system response to a type of natural disturbance, fire, that is likely to occur more often in the future. The research takes advantage of existing background and infrastructure to assess carbon loss and storage in a desert ecosystem. The project will support two undergraduate students from UNM, a minority serving institution, as well as provide a one-year research assistantship to a UNM graduate student. In addition, participants in this research include two faculty members at non-PhD granting institutions (Jose Herrera at Truman State University and Andrea Porras-Alfaro at Western Illinois University). |
| 学科分类 | 06 - 生物科学;0611 - 生理学与整合生物学 |
| 资助机构 | US-NSF |
| 项目经费 | 150055 |
| 项目类型 | Standard Grant |
| 国家 | US |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/71718 |
| 推荐引用方式 GB/T 7714 | Scott Collins.RAPID: Ecosystem Reconstruction under Climate Change Conditions following Fire.2010. |
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