Global S&T Development Trend Analysis Platform of Resources and Environment
项目编号 | 1643871 |
Antarctica as a Model System for Responses of Terrestrial Carbon Balance to Warming | |
Natasja van Gestel | |
主持机构 | Texas Tech University |
项目开始年 | 2018 |
2018 | |
项目结束日期 | 2019-12-31 |
资助机构 | US-NSF |
项目类别 | Standard Grant |
项目经费 | 299243(USD) |
国家 | 美国 |
语种 | 英语 |
英文摘要 | The main goal of this study is to investigate carbon transformation processes and the microbial communities that are responsible for such transformations in soils of the Antarctic Peninsula. The study will examine net ecosystem carbon balance among soils with different exposer ages that have had been uncovered by retreating glaciers. The study will use a novel technique to identify individual members of the soil microbial community that are active versus those that are not active (perhaps cold-preserved) in order to better understand the fundamental processes of community succession in the Antarctic environment and whether continued warming could lead to community shifts in the active portion of the communities. Several graduate and undergraduate students are supported on this project. Findings of the research will be disseminated to the scientific community through publications in peer-reviewed journals and through seminars/lectures, and to the broader community through science presentations to the local community and through lectures in elementary schools (including Skype). The study will focus on a deglaciated sere on the western Antarctic Peninsula, which offers a strong gradient in primary productivity and a platform for investigating soil carbon dynamics specific to the Antarctic maritime setting. The experiment will use open-top chambers paired with control plots, arrayed along the productivity gradient. Carbon fluxes (incoming and outgoing) will be determined in all the plots using infrared gas analysis in experimental chambers. This study will also use heavy water (water enriched with 18O) to identify active versus inactive soil microbial members in incubations and experiments. Findings from this project will advance research in plant and soil microbial ecology, ecosystem modeling and advance understanding of the potential changes in the Antarctic ecosystem due to warming conditions. |
URL | 查看原文 |
文献类型 | 项目 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/72209 |
专题 | 环境与发展全球科技态势 |
推荐引用方式 GB/T 7714 | Natasja van Gestel.Antarctica as a Model System for Responses of Terrestrial Carbon Balance to Warming.2018. |
条目包含的文件 | 条目无相关文件。 |
个性服务 |
推荐该条目 |
保存到收藏夹 |
查看访问统计 |
导出为Endnote文件 |
谷歌学术 |
谷歌学术中相似的文章 |
[Natasja van Gestel]的文章 |
百度学术 |
百度学术中相似的文章 |
[Natasja van Gestel]的文章 |
必应学术 |
必应学术中相似的文章 |
[Natasja van Gestel]的文章 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论