Climate Change Data Portal
| Climate change as an agent of selection that alters fundamental interactions among a foundation tree species and its herbivore, mutualist and competitor communities | |
| 项目编号 | 0816675 |
| Catherine Gehring | |
| 项目主持机构 | Northern Arizona University |
| 开始日期 | 2008-09-01 |
| 结束日期 | 2013-08-31 |
| 英文摘要 | Global climate is predicted to change dramatically in the 21st century with warmer temperatures and more extreme climate events expected over most land areas. The consequences of these changes may include shifts in the geographical range of animal and plant species, including many species of trees. Models developed to predict plant and animal response to climate change often do not consider the importance of genetic variation within members of a species or the interactions of that species with other organisms, which could slow or hasten distribution shifts. This study tests the hypothesis that the ultimate effect of climate change on a tree species and its associated community will result from the interplay between the responses of different tree genotypes to both climate stresses and to the herbivores, competitors and mutualists with which the trees interact. Specifically, this research examines the influence of genetic variation in resistance and susceptibility to insect herbivory on tree responses to drought as mediated by interactions with shrubs that compete with trees for water and soil fungi that enhance uptake of soil resources. The project involves population genetic analysis, and field, common garden and greenhouse studies of pinyon pine (Pinus edulis), a widespread tree particularly sensitive to climate change. The broader impacts of this project include student training with an emphasis on recruitment of underrepresented minorities, student exchanges between Mexican and US institutions, education of prisoners through the Arizona Department of Corrections and outreach to managers whose lands are dominated by pinyon pine suffering high mortality. |
| 学科分类 | 09 - 环境科学;0903 - 环境生物学 |
| 资助机构 | US-NSF |
| 项目经费 | 691005 |
| 项目类型 | Continuing 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/72377 |
| 推荐引用方式 GB/T 7714 | Catherine Gehring.Climate change as an agent of selection that alters fundamental interactions among a foundation tree species and its herbivore, mutualist and competitor communities.2008. |
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